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Luis

Questions (160)

The temperature on Monday is −4°C. On Tuesday, it is 13° colder. What is the temperature on Tuesday?A. −17°C B. 9°C C.
1. 1 answer
2. 115 views
Chloroplasts play an important role in energy production in plant cells. However, some parts of a plant, like the roots, lack
1. 1 answer
2. 157 views
The area of the triangle is(round to the nearest tenth as needed) of the 8 in. by 13 in. by 15.3 in.
1. 1 answer
2. 195 views
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Use the circle graph
1. 1 answer
2. 187 views
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Use the circle graph
1. 1 answer
2. 141 views
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Use the circle graph
1. 1 answer
2. 183 views
Find the circumference of the given circle. Round to the nearest tenth.
1. 1 answer
2. 147 views
Chemical weathering forms a new substance? true or false
1. 1 answer
2. 151 views
Why does nicotine make difficult for a smoker to quit using cigarettes?
1. 0 answers
2. 224 views
what percent of the forecasted high temperatures is greater than 45. F
1. 1 answer
2. 230 views
Passports are issued to U.S. citizens by the __________ Department.
1. 1 answer
2. 210 views
For Questions 5, 6, and 7, use the following values:A~ = 5.0 N at 135.0 ◦ B~ = 6.0 N at 270.0 ◦ If you get the same answer
1. 0 answers
2. 271 views
A student incorrectly claims that the factored form of the expression 4x2+5is (4x+5i)(4x−5i).a. Describe the error that the
1. 1 answer
2. 447 views
What are ways people modify their own appearance online?
1. 0 answers
2. 339 views
Does the PTA agree to fund the fall field trip?
1. 0 answers
2. 694 views
A truck is traveling at a constant speed of 20 m/s through a school zone. At time t = 0 seconds, he passes a hidden police car
1. 1 answer
2. 2,514 views
A triangle has an area of 9 square feet. The height is 6 feet. What is the length of the base?
1. 4 answers
2. 1,472 views
Write and explicit formula for the following sequence. Then generate the first five terms.A1= 625 R=0.2
1. 2 answers
2. 1,218 views
can someone please check my answers.1.)since independence, in most latin american countries. a.elected governments have been
1. 2 answers
2. 616 views
If Goldberg is delivering presents at an altitude of 5,813.6ft, with the same drag and weight of a 2019 Challenger SRT® Hellcat
1. 4 answers
2. 1,430 views
Estimate the sum or difference 2 9/8 - 2 1/7A. 2 b. 1 c. 0
1. 2 answers
2. 1,027 views
5(2x-3)-6x=9
1. 3 answers
2. 294 views
There is a spinner with 12 equal areas, numbered 1 through 12. If the spinner is spun one time, what is the probability that the
1. 12 answers
2. 11,777 views
show stepsolve the Sturm Liouville problem Y"+hY=0, NB: h means lambda y(0)+y'(0)=0 y(1)+3y'(1)=0
1. 1 answer
2. 430 views
What is the concentration of salt in some optical saline solution if 4.0 miles of sodium chloride, NaCl, are dissolved in a
1. 1 answer
2. 460 views
How many miles of solute are required to make 90 liters of a 9.0 M solution? A).010 mol B)81 mol C) 100mol D) 91 Mol
1. 1 answer
2. 494 views
A series RL circuit contains two resistors and two inductors. The resistors are 43 ? and 54 ?. The inductors have inductive
1. 2 answers
2. 2,232 views
Estimate the value of 51 to the nearest whole number
1. 2 answers
2. 902 views
Tanishas mother buys 38 lemons. they know it takes 8 lemons to make 80 ounces of leomonade. Does Tanisha need more lemons? If
1. 1 answer
2. 703 views
Tanishas mom and the Lemon question. can some show how they got 7 lemons as the answer. Thank you luis
1. 1 answer
2. 432 views
What is the slope of the line that contains the points (4, –4) and (7, –6)?
1. 1 answer
2. 383 views
Christina has a glass of water. Michael has a fruit juice drink. Both drinks are at room temperature, and both students add ice
1. 8 answers
2. 1,319 views
Christina has a glass of water. Michael has a fruit juice drink. Both drinks are at room temperature, and both students add ice
1. 2 answers
2. 680 views
Are there factors other than air temperature that could influence the rate at which condensation forms?
1. 0 answers
2. 302 views
How many numbers are there in pie?
1. 2 answers
2. 440 views
a three digit number with 8 ones and 4 tens. The sum of all my digits is 20. What number am i?
1. 2 answers
2. 1,082 views
5x-2y=4X+2y=8
1. 1 answer
2. 343 views
Which correctly renames 2/3 and 1/2 using a common denominator??
1. 6 answers
2. 2,378 views
A baggage handler throws a 16.0 kg suitcase horizontally along the floor of an airplane luggage compartment with an initial
1. 1 answer
2. 1,419 views
Use similar triangle to solve. A person who is 6 feet tall standing 140 feet from the base of a tree and the tree casts a 150
1. 3 answers
2. 6,201 views
A sports car skids to a stop, leaving skid marks 290 m long.If the coefficient of kinetic friction between tires and pavement is
1. 1 answer
2. 1,375 views
Can I please get some help?by+2/3=c, for y
1. 1 answer
2. 321 views
The lesion is located in the right thorax just lateral to the mid-saggital plane
1. 1 answer
2. 693 views
When 2 parents and 3 children visit a theme park the admission cost is $57. The cost is $33 for 1 parent and 2 children. Find
1. 1 answer
2. 533 views
kate and alan sell stereos. last month kate sold 24 more stereos than alan. together they sold 164. How many stereos did allan
1. 4 answers
2. 533 views
A professor believes that all Thursday sections are cursed and will always score lower on tests compared to Monday sections. To
1. 1 answer
2. 661 views
My 10th grade teacher gave us geometry homework and this problem has me stumped for sure. This rhombus has three interior
1. 1 answer
2. 701 views
In a nominal data set, what is the preferred measure of central tendency?
1. 1 answer
2. 1,269 views
A population has u=100 and o=20. If you select a single score from this population, on average, how close would it be to the
1. 1 answer
2. 1,069 views
The following set of numbers respresents the average weekly scores of 9 preschoolers on a verbal aggression scale.19.1, 18.9,
1. 1 answer
2. 527 views
When a teacher chooses learning objectives for a child, which question should be asked?A. What should Kelly learn next? B.
1. 2 answers
2. 624 views
Free play, eating a snack, painting, hearing a story, and so forth are related to which of the followinglearning concepts? A.
1. 1 answer
2. 483 views
An 18-month-old child putting large beads in a plastic bowl and pouring them out isA. developmentally superior. B. normal and
1. 2 answers
2. 480 views
What must a teacher provide for an open-ended question to be successful?A. Heuristics B. Background information C. Discrepant
1. 1 answer
2. 477 views
A warehouse worker pushes a crate along the floor, as shown in the figure (Figure 1) , by a force of 9.0N that points downward
1. 2 answers
2. 1,645 views
A classroom of n = 10 children has a mean score of 17.200 on a measure of hyperactivity. One new child is added to the class,
1. 2 answers
2. 515 views
A classroom of n = 10 children has a mean score of 17.200 on a measure of hyperactivity. One new child is added to the class,
1. 2 answers
2. 499 views
A pill weighs 70 mg. 7/9 of the pill is the active ingredient. How many milligrams are in the part of the pill that is not the
1. 5 answers
2. 2,159 views
How to prepare an EFAS table for United Technologies.
1. 1 answer
2. 489 views
Which of the following activities emphasizes the concept of comparing?A. Dividing pigs and cows into two separate groups B.
1. 1 answer
2. 553 views
Putting objects together in a group based on a common criterion such as color or shape is calledA. the same name. B.
1. 5 answers
2. 1,374 views
I would appreciate it if someone would be willing to look over my essay real quick. I just would like to know if I made any
1. 0 answers
2. 1,023 views
A 27.00mL sample of an H2SO4 solution of unknown concentration is titrated with a 0.1422M KOH solution. A volume of 40.22mL of
1. 1 answer
2. 1,223 views
Magnesium has three naturally occurring isotopes: Mg-24 with mass 24.3050 amu and a natural abundance of 78.99 %, Mg-25 with
1. 5 answers
2. 2,648 views
Calculate the freezing point of a water solution at each concentration.1.40m? What are the steps to calculate this?
1. 3 answers
2. 1,202 views
What is the molarity of ZnCl2(aq) that forms when 18.0g of zinc completely reacts with CuCl2(aq) according to the following
1. 1 answer
2. 744 views
V1= 38.8n1= 1.60*10^-3 V2= 49.9 n2= ? How do we solve for n2 using avogadro's law?
1. 1 answer
2. 972 views
Imagine that you have an ideal gas in a 8.00L container, and that 2850 molecules of this gas collide with a square-inch area of
1. 2 answers
2. 1,113 views
Ho w much water would you need to add to 500 mL of a 0.3 M calcium nitrate solution to make
1. 1 answer
2. 508 views
Calculate the theoretical yield of alum if 0.200g of Aluminum was reacted with excess KOH and H2SO4?I don't even know how to
1. 1 answer
2. 2,186 views
How long does it take light to travel each of the following distances2462 mi, the distance between Los Angeles and New York. How
1. 3 answers
2. 2,606 views
Complete and balance each of the following equations. K2SO4(aq)+BaBr2(aq)→Would it be K2SO4(aq)+BaBr2(aq)→K2Br2 +SO4Ba?
1. 6 answers
2. 8,271 views
Becka borrowed $100 from her cousin at the rate of 6% per year. If the inflation rate was 2% that year, what is her cousin's
1. 1 answer
2. 2,238 views
A 4.78-g sample of aluminum completely reacts with oxygen to form 6.67 g of aluminum oxide Use this data to calculate the mass
1. 1 answer
2. 1,955 views
How many grams of Cl are in 38.0g of CF2Cl2? I really want to figure out how to do it. I can't seem to understand any of this
1. 1 answer
2. 10,227 views
A typical volume of a modern hot air balloon is 2500 cubic metres, and a typical maximum temperature of the hot air is 120
1. 3 answers
2. 7,960 views
A red ball is thrown down with an initial speed of 1 m/s from a height of 27 meters above the ground. Then, 0.6 seconds after
1. 0 answers
2. 682 views
The following equation is used to find c, the total cost for printing a quantity of high school yearbooks, b.c=5b+200
1. 1 answer
2. 595 views
June stands on the roof of the house which is 22.8 m high and she throws the ball at an initial speed of 4.90 m/s downward at
1. 1 answer
2. 459 views
Frank is traveling the posted speed limit of 36 mi/hr in a school zone. A deer darts out between two cars. He instantly hits the
1. 1 answer
2. 576 views
Show 2/4 of the set. How many counters?
1. 1 answer
2. 688 views
Why are Eukaryotes more difficult to Transform than Prokaryotes? What methods can be used to transform Eukaryotes?
1. 0 answers
2. 699 views
What is the purpose of using a plasmid containing an antibiotic resistance gene in the transformation process?
1. 0 answers
2. 626 views
The percent grade of a highway is the amount that the highway raises or falls in a given horizontal distance. For example, a
1. 1 answer
2. 722 views
A piece of a broken wheel is shown. It was taken to a machine shop to be replaced with a new “whole” wheel. Find the radius
1. 0 answers
2. 583 views
A total solar eclipse occurs when the moon passes between the earth and the sun, and the darkest shadow cast by the moon, called
1. 2 answers
2. 2,128 views
Find a unit vector in the direction of the given vector.w=-1-2j
1. 2 answers
2. 815 views
Find a unit vector in the direction of the given vector.v=(1,-1)
1. 3 answers
2. 537 views
P=(-2,2) Q=(3,4) S=(2,-8)PS-3PQ Find the component form and magnitude of the vector.
1. 4 answers
2. 1,560 views
For the most part, will a law of cosines always be one triangle? As in one triangle to solve?
1. 1 answer
2. 574 views
A car entering the freeway accelerates from 10.2 m/s with a constant acceleration of 4.4 m/s2. What is the car’s final
1. 1 answer
2. 1,540 views
An airplane travels 330 m down the runway before taking off. Assuming that it has constant acceleration, if it starts from rest
1. 2 answers
2. 2,039 views
The one-pod condition (P) is dominant to the three pod condition (p). Normal leaf (L) is dominant to wrinkled leaf(l). Determine
1. 0 answers
2. 604 views
Can someone please explain how to simplify this proiblem:cotx/sec^2 + cotx/csc^2
1. 2 answers
2. 575 views
How does:sin^2(x) - cos^2(x) = 1 - 2cos^2(x)
1. 1 answer
2. 437 views
(cosx - sinx)^2 + (cosx + sinx)^2 = 2Iam in this step: 2cos^2(x) + 2sin^2(x) = 2 How can I make the equation on the right equal
1. 2 answers
2. 576 views
Jackson is creating a water garden surrounded by a triangular patch of grass. If the pond will take up the space indicated by
1. 0 answers
2. 538 views
How much farther did chris run on thursday than on wednesday? If he run 3 5/8 on thursday an 1 1/4 on wednesday
1. 1 answer
2. 311 views
If 9m+5=2m+26, what is the value of m?
1. 1 answer
2. 348 views
How do I find the exact value of sin (pi/24)?I am crying
1. 0 answers
2. 379 views

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