need help 100%
This page lists questions and answers that were posted by visitors named need help 100%.
Questions
The following questions were asked by visitors named need help 100%.
Julio and Ashley went to the drive-in theater. They paid an entry fee for the car and individual entry fees for themselves. Their total cost can be modeled by the expression 2.5x+10 . Which of the following answer choices accurately interprets a part of t...
1 year ago
An equation can be broken down into expressions, terms, variables, constants, and coefficients. In the equation 0.4−7x=3 , what is/are the constant(s) in the equation? Responses 0.4 and 3 0.4 and 3 −7 negative 7 0.4 0.4 3
1 year ago
Use the grouping symbols to interpret the following equation: x8=3(x+4)2 . Which expression in the equation represents a product?(1 point) Responses 3(x+4)2 Start Fraction 3 left parenthesis x plus 4 right parenthesis over 2 End Fraction 2 2 x8 Start Frac...
1 year ago
Consider the expression [3(42+32÷4−5)] . Which quotient must be found to simplify the expression?(1 point) Responses 32÷4 32 divided by 4 144÷4 144 divided by 4 48÷4 48 divided by 4 96÷4
1 year ago
This type of artist places importance on how well artists design their works of art. Attention is placed on evaluation of artistic use of the building blocks of art: color, value, line, texture, shape, form and space. (1 point) Responses Imitationalists I...
1 year ago
What generalization can be made from the following statement? The most familiar ordinary items we see and use on a daily basis can and do provide a sense of visual satisfaction. (1 point) Responses Art is present in daily life Art is present in daily life...
1 year ago
The study of nature, beauty and art was originally a branch of philosophy called ______________. (1 point) Responses Theories of Art Theories of Art Viewpoints of Art Viewpoints of Art Beauty Beauty Aesthetics
1 year ago
Works of art are the products of multiple forces at work _________________. (1 point) Responses Seperately Seperately Simultaneously Simultaneously Individually Individually Against each other
1 year ago
Read the scenario, then answer the question. Your physics class is conducting an experiment on the energy exchange between colliding objects. You and your classmates have identical materials and are experimenting with identical conditions. You perform thr...
1 year ago
Which of the following would violate laboratory safety rules?(1 point) Responses wearing goggles when lab materials are being used wearing goggles when lab materials are being used tying long hair back when near an open flame tying long hair back when nea...
1 year ago
A researcher is doing experiments with potentially pathogenic bacteria. How should she dispose of them once she is finished with the study?(1 point) Responses They should be washed down the drain. They should be washed down the drain. They should be place...
1 year ago
To be a pharmacist, doctor, or research biologist, a person would need a doctorate degree. Which of the following is true about doctorate degrees? (1 point) Responses A doctorate degree can be costly and takes about 3-6 years to attain. A doctorate degree...
1 year ago
Which piece of lab equipment is the best choice for observing small details when out in the field? (1 point) Responses data collection probe data collection probe hand lens hand lens test tube test tube incubator
1 year ago
Choose the statement that best explores what drives the processes of plate tectonics.(1 point) Responses The sun drives the processes of plate tectonics. The sun drives the processes of plate tectonics. Earth’s internal energy drives the processes of plat...
1 year ago
Which type of plate boundary is characterized by plates moving toward each other?(1 point) Responses convergent plate boundary convergent plate boundary tsunami plate boundary tsunami plate boundary divergent plate boundary divergent plate boundary transf...
1 year ago
Which statement best analyzes the impact of the Burmese python on the Florida Everglades region?(1 point) Responses The growth of the Burmese python population has resulted in severe declines in native mammal species. The growth of the Burmese python popu...
1 year ago
Which species has not experienced a decline in numbers because of the Burmese python?(1 point) Responses opossums opossums saw grass saw grass raccoons raccoons bobcats
1 year ago
Use the Commutative Property of Addition to rewrite the algebraic expression: 4x2+8x
1 year ago
Use the Commutative Property of Addition to rewrite the algebraic expression: ab2+c3
1 year ago
Use the Commutative Property of Multiplication to rewrite the algebraic expression: a20⋅x3
1 year ago
Using the Commutative Property, fill in the blanks so that the two algebraic expressions are equivalent. (14) ( )(2)=(7) ( )(14)
1 year ago
Using the Commutative Property, fill in the blanks so that the two algebraic expressions are equivalent. 5+ +1+7=4+ +7+1
1 year ago
Which of the following correctly demonstrates the use of the Commutative Property of Multiplication? Responses 11(b+z)=11b+11z 11 left parenthesis b plus z right parenthesis equals 11 b plus 11 z 2(b10+z11)=(b10+z11)⋅2 2 left parenthesis b superscript 10...
1 year ago
Which of the following correctly demonstrates the Commutative Property of Addition? Responses 123+456=579 123 plus 456 equals 579 0+579=579 0 plus 579 equals 579 abcxyz=zyxcba a b c x y z equals z y x c b a abc+xyz=xyz+abc
1 year ago
Use the Commutative Property to determine the missing step in proving the equivalence of 12a+10+a=10+a+12a . Step 1: [missing] Step 2: 10+13a=10+13a Step 3: The expressions are equivalent because they both equal the same value. Responses 12a+10+a−a=10+a+1...
1 year ago
Substituting 1 for x in the equation 5x + 3=x⋅5 + 3 is a test case for which property? Responses The Commutative Property of Addition The Commutative Property of Addition The Associative Property of Multiplication The Associative Property of Multiplicatio...
1 year ago
Which step contains an error using the Commutative Property of Addition in verifying 8+x2+17x−x2+4=10+4x2+10x−4x2+2+7x ? Step 1: 8+4+x2−x2+17x=10+2+10x−4x2+7x +4x2 Step 2: 8+4+17x+x2−x2=10+2+4x2−4x2+10x+7x Step 3: 12+17x+x2=12−x2+17x Responses Step 1 Step...
1 year ago
Investigate each statement and select the one that best describes why southwest South America has a dry climate.(1 point) Responses The Gulf Stream produces a dry climate in southwest South America. The Gulf Stream produces a dry climate in southwest Sout...
1 year ago
How does latitude help you investigate where the coldest climates on Earth might be during the Northern Hemisphere summer solstice?(1 point) Responses Latitudes 0°–20°S would not receive any energy from the sun during the Northern Hemisphere summer solsti...
1 year ago
How does a mountain range help you investigate why there’s a dry climate on the leeward side of it?(1 point) Responses A mountain range could host an alpine tundra ecosystem, creating a dry climate on the leeward side of the range. A mountain range could...
1 year ago
Which statement offers the best analysis of how climate impacts the distribution of the world’s tropical rain forests?(1 point) Responses Tropical rain forest distribution is most associated with regions where the average temperature of the coldest month...
1 year ago
According to the Associative Property, which expression is equivalent to 30m+(21m−53)+(18−2m) ? Responses (30m+21m)+(18−2m) left parenthesis 30 m plus 21 m right parenthesis plus left parenthesis 18 minus 2 m right parenthesis 51m+(−53+18)−2m 51 m plus le...
1 year ago
Which of the following is true about theories? (1 point) Responses They are formulated before an experiment begins so that scientists can properly conduct the experiment. They are formulated before an experiment begins so that scientists can properly cond...
1 year ago
Why is evolution called a scientific theory?(1 point) Responses It deals with topics that are completely testable in the laboratory. It deals with topics that are completely testable in the laboratory. Many scientists all over the world accept it as true....
1 year ago
What is the goal of a theory?(1 point) Responses to control the outcome of an experiment to control the outcome of an experiment to explain natural and physical phenomena to explain natural and physical phenomena to analyze data from an experiment to anal...
1 year ago
What is a scientific theory?(1 point) Responses an untested idea about natural phenomena an untested idea about natural phenomena a guess about how something might work a guess about how something might work a well-substantiated explanation of an aspect o...
1 year ago
Which statement best describes a scientific theory?(1 point) Responses A prediction that has not been tested. A prediction that has not been tested. A step-by-step procedure of an experiment that can be conducted in a lab. A step-by-step procedure of an e...
1 year ago
ay’s health insurance states that all preventative care is paid for by the insurance company. What is the insurance company MOST likely to pay for? (1 point) Responses an office visit to a specialist for an x-ray an office visit to a specialist for an x-r...
1 year ago
Which statement offers the best critique of how humans have impacted the environment through agricultural activities?(1 point) Responses Humans did not impact the physical environment until the last 150 years. Humans did not impact the physical environmen...
1 year ago
Which option correctly identifies a result of agricultural practices? (1 point) Responses slash and burn agriculture slash and burn agriculture water diversion water diversion biodiversity biodiversity soil erosion
1 year ago
Which of the following critiques of forestry’s impact on the physical environment is a positive effect?(1 point) Responses Low regulation of fires increases the amount of slash and burn agriculture that occurs. Low regulation of fires increases the amount...
1 year ago
Which statement best explains what happened to wetland resources and ecosystem services after the 1970s in the U.S.?(1 point) Responses Flooding due to wetlands led to a decrease in the number of wetlands. Flooding due to wetlands led to a decrease in the...
1 year ago
Which term best describes a process that supports human life and economies at no cost to humans?(1 point) Responses biodiversity biodiversity ecosystem service ecosystem service natural resource natural resource externality externality
1 year ago
Find the product of the polynomials (2x+1)(x−4)
1 year ago
Simplify the expression. −3(2x−4) Responses −6x − 12 −6x − 12 −6x + 12 −6x + 12 6x + 12 6x + 12 6x − 12
1 year ago
5(5 − 3x) + 4x Responses 25 − 19x 25 − 19x 25 − x 25 − x 25 − 11x 25 − 11x 5 − 7x 5 − 7x
1 year ago
Simplify the expression. 4x − 3(2 + 7x) Responses −17x − 6 −17x − 6 3x − 6 3x − 6 x + 16 x + 16 11x−6
1 year ago
A rectangle has sides whose lengths in units are represented by polynomials as shown, where x is a positive integer. Which expression represents the perimeter of the rectangle in units? Responses 92x+52 9 halves x plus 5 halves 9x+5 9 x plus 5 92x+72 9 ha...
1 year ago
"Are Commercial Honeybees Making Wild Bees Sick?" by Berly McCoy Everyone wants to save the bees. But as populations decline every year, we may be saving them to death. Human efforts to breed more of these insects in artificial beehives and plant more flo...
1 year ago
"Are Commercial Honeybees Making Wild Bees Sick?" by Berly McCoy The team plucked wild bumblebees from 19 sites around northern Vermont. Some sites were close to a commercial apiary — within 0.2 miles or a short city block — while others were farther away...
1 year ago
The team looked at two viruses — deformed wing virus and black queen cell virus — both of which infect honeybees and bumblebees. These infections can potentially cause significant colony damage in honeybees, but researchers don’t know yet what they do to...
1 year ago
"Are Commercial Honeybees Making Wild Bees Sick?" by Berly McCoy Everyone wants to save the bees. But as populations decline every year, we may be saving them to death. Human efforts to breed more of these insects in artificial beehives and plant more flo...
1 year ago
"Are Commercial Honeybees Making Wild Bees Sick?" by Berly McCoy All of the honeybee colonies tested by the researchers were positive for both viruses, an unfortunate but common occurrence for commercial colonies. But the number of wild bumblebees carryin...
1 year ago
"Are Commercial Honeybees Making Wild Bees Sick?" by Berly McCoy If human-managed bees and bee-friendly flowers are acting as hotspots for pathogens, keeping more bees and planting more flowers may be contributing to the steep losses in commercial pollina...
1 year ago
Critique each of the following statements and choose the most accurate. Responses The trend toward urbanization has lessened light and water pollution. The trend toward urbanization has lessened light and water pollution. The trend toward urbanization has...
1 year ago
Which impact on the physical environment does acid rain cause? Responses depletion of groundwater depletion of groundwater conversion of land to agriculture conversion of land to agriculture increased tree death increased tree death smog
1 year ago
Which of the effects of irrigation on the world’s environment is a criticism of using reservoirs?(1 point) Responses Flooding can potentially occur and harm wildlife and land. Flooding can potentially occur and harm wildlife and land. Crops can be contami...
1 year ago
Which of the following is an effect of desalination on the environment?(1 point) Responses Groundwater can be overdrawn. Groundwater can be overdrawn. Brine can kill ocean wildlife. Brine can kill ocean wildlife. Crops can be contaminated. Crops can be co...
1 year ago
What happens when new evidence is found that contradicts part of a theory? Responses New pieces are added to the original ideas, and the contradictory part is kept. New pieces are added to the original ideas, and the contradictory part is kept. It gets ig...
1 year ago
How does a hypothesis differ from a scientific theory?(1 point) Responses Hypotheses are testable and rely on evidence for verification, while theories only exist conditionally and rely on possibility. Hypotheses are testable and rely on evidence for veri...
1 year ago
How is a hypothesis similar to theory?(1 point) Responses Both a hypothesis and a theory are statements that refer only to data. Both a hypothesis and a theory are statements that refer only to data. Both a hypothesis and a theory are conclusions about wh...
1 year ago
What distinguishes a scientific hypothesis from a scientific theory?(1 point) Responses A hypothesis is used only in testable fields of science, while a theory is used in all fields of science. A hypothesis is used only in testable fields of science, whil...
1 year ago
A researcher writes: Based on my observations, I hypothesize that increased sunlight enhances plant growth. Over several years, this becomes a widely accepted explanation due to large amounts of testing and evidence that agrees with them. How has the rese...
1 year ago
Add the polynomial expressions 2r2−3r+4 and −2r2+3r+6 .
1 year ago
Add the expressions. Expression 1: −3k+4k3−2 Expression 2: 9k2−3k3+4k−3
1 year ago
Simplify (9x2−6x+2)−(x2+4x−39)
1 year ago
Simplify (9x2−6x+2)−(x2+4x−39) .(1 point) The difference of the polynomials is
1 year ago
Add the polynomial expressions 3−2p−5p2 and p4−3p+4 .(1 point) Responses p4−5p2−5p+7 p superscript 4 baseline minus 5 p squared minus 5 p plus 7 p4−5p2−6p+7 p superscript 4 baseline minus 5 p squared minus 6 p plus 7 −5p2−4p+7 negative 5 p squared minus 4...
1 year ago
What is (3x2−2)+(11−5x) ? Responses 3x2−5x+9 3 x squared minus 5 x plus 9 −2x2+9 negative 2 x squared plus 9 2x2−9 2 x squared minus 9 3x2+5x−9
1 year ago
Which example correctly demonstrates polynomial addition? Responses (2x2+6x+1)+(3x2+3x+9)= 5x4+9x2+10 left parenthesis 2 x squared plus 6 x plus 1 right parenthesis plus left parenthesis 3 x squared plus 3 x plus 9 right parenthesis equals left parenthesi...
1 year ago
What does it mean for a set to be "closed"? Responses An expression belonging to a closed set cannot be used to create an expression that is not of that set. An expression belonging to a closed set cannot be used to create an expression that is not of tha...
1 year ago
What is a context clue?(1 point) Responses a detail that helps readers guess what might happen a detail that helps readers guess what might happen a dictionary definition for a word a dictionary definition for a word text near a word that helps clarify it...
1 year ago
If generate means “to produce,” what does regenerate mean?(1 point) Responses to produce too many to produce too many to produce the opposite to produce the opposite to produce again to produce again to produce the most to produce the most
1 year ago
Which words might be the guide words on a dictionary page for adage?(1 point) Responses adapt and administration adapt and administration acumen and adactyly acumen and adactyly acute and additional acute and additional addled and address addled and addre...
1 year ago
What does a diacritical mark do? Responses explains the context for a word explains the context for a word explains the origin of a word explains the origin of a word shows how to pronounce words shows how to pronounce words shows the synonyms of a word
1 year ago
Use the dictionary definition to answer the question. discontent (dis kәn ‘tent) adj. dissatisfied unhappy with the state of things How is the letter o in the second syllable pronounced? (1 point) Responses oh oh uh uh ah ah eh
1 year ago
Which musical style is characterized by its use of an instrument called a bandoneón? (1 point) Responses flamenco flamenco merengue merengue tango tango cumbia cumbia
1 year ago
If you see a teen or adult suddenly collapse, what is the first thing you should do?(1 point) Responses Ignore the situation Ignore the situation Ask someone to Call 9-1-1 or you call 9-1-1 Ask someone to Call 9-1-1 or you call 9-1-1 Give rescue breaths G...
1 year ago
How do you position your hands for chest compressions?(1 point) Responses hands side by side in the center of chest hands side by side in the center of chest heel of one hand with the other on top in the center of the chest heel of one hand with the other...
1 year ago
You will push hard and fast at a rate of _________ per minute. (1 point) Responses 90-100 compressions per minute 90-100 compressions per minute 100-120 compressions per minute 100-120 compressions per minute 120-130 compressions per minute 120-130 compre...
1 year ago
Do you need to give mouth-to-mouth rescue breathing with hands only CPR?(1 point) Responses Yes Yes No
1 year ago
Survival of sudden cardiac arrest is more likely when CPR is combined with:(1 point) Responses Emergency Oxygen Emergency Oxygen Abdominal Compressions Abdominal Compressions Elevating the victim's feet Elevating the victim's feet Early defibrillation
1 year ago
Can you use an AED on top of clothes?(1 point) Responses Yes Yes No
1 year ago
What is the first thing you do when an AED arrives?(1 point) Responses Turn on the AED and follow the prompts Turn on the AED and follow the prompts Place the pads on the person Place the pads on the person Continue CPR Continue CPR Deliver a shock
1 year ago
Before shocking, clear the scene by: (Check all that apply-2 pts)(2 points) Responses Stating "Clear" or "Everybody clear!" Stating "Clear" or "Everybody clear!" Observing that no one is touching the victim or clothing Observing that no one is touching th...
1 year ago
After the AED delivers a shock, the rescuer should:(1 point) Responses Check for normal breathing Check for normal breathing Check for pulse Check for pulse Resume Compressions Resume Compressions Place in recovery position
1 year ago
The doctor says that Lydia’s baby has a disorder caused by one single gene. What does the baby MOST likely have? (1 point) Responses arthritis arthritis cystic fibrosis cystic fibrosis heart disease heart disease diabetes
1 year ago
A researcher studying the effects of a new fertilizer on crop yield concludes that the fertilizer is a significant improvement because it increases yield by 20%. This conclusion is most likely influenced by:(1 point) Responses A well-designed experiment....
1 year ago
You can safely dispose of small amounts of used flammable gasoline by: (1 point) Responses Leaving it in the original container in your garage. Leaving it in the original container in your garage. Taking it to a designated hazardous waste collection cente...
1 year ago
What is a primary hazard associated with this image? (1 point) Responses They can release toxic fumes when mixed with water. They can release toxic fumes when mixed with water. They can generate large amounts of dust, posing inhalation risks They can gene...
1 year ago
A researcher finds that their data contradicts their initial hypothesis. What does this necessarily mean?(1 point) Responses The hypothesis requires further investigation or revision. The hypothesis requires further investigation or revision. The results...
1 year ago
In astronomy, the theory of general relativity, proposed by Albert Einstein, has significant explanatory power. This prediction has been confirmed through numerous observations and experiments, demonstrating the theory's ability to accurately explain and...
1 year ago
Which of the following statements about theories is FALSE?(1 point) Responses Theories provide a framework for understanding and predicting scientific observations. Theories provide a framework for understanding and predicting scientific observations. The...
1 year ago
How can technology change a theory?(1 point) Responses By completely disproving the theory By completely disproving the theory By influencing the popularity of the theory By influencing the popularity of the theory By changing the scientists working on th...
1 year ago
Why is cell theory considered a scientific theory in biology?(1 point) Responses It involves the formation of all living things on the planet. It involves the formation of all living things on the planet. There is lots of evidence to support it. There is...
1 year ago
Scientific theories and laws are both important in science, but they serve different purposes. Which of the following best describes the key difference between a scientific theory and a law?(1 point) Responses Theories explain why something happens, while...
1 year ago
Multiply the polynomial expression (x+2)(x−4)
1 year ago
Multiply to simplify the polynomial expression (r−1)(r2−2r+3) .
1 year ago
Simplify the polynomial expression (xy−2)(x2+1) .
1 year ago
Multiply the polynomial (b+8)(3b−6) to simplify b2+18b−36 b squared plus 18 b minus 36 b2+30b−48 b squared plus 30 b minus 48 3b2+18b−48 3 b squared plus 18 b minus 48 3b2+30b−48
1 year ago
Answers
The following answers were posted by visitors named need help 100%.