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Bob
Questions (1,814)
A British researcher developed a formula to determine walking or running speed based on hip height and stride length. The
0 answers
153 views
4 consecutive odd integers such as that the opposite of the third to twice the first equals the product of three and the second
1 answer
113 views
Consider the consider the region bounded by the graphs of x = y^2 and x =9. Find the volume of the solid that has this region as
1 answer
158 views
An electron and a proton have charges of equal magnitude but of opposite sign. The magnitude of the charge is 1.6 x 10-19 C. If
1 answer
319 views
I need HELP
4.The derivative of a function f is given by f'(x)=(-2x-2)e^x, and f(0) = 3. A. The function f has a critical point
4 answers
533 views
Solve the separable differential equation for u, du/dt=e^(4u+7t).
Use the following initial condition: u(0)=2
1 answer
308 views
What is -7(-5g+12)-27 in distributive property
2 answers
213 views
Solve the following system of equations:
–2x + 2y = 8 2x – 7y = 7 A. (–2, 2) B. (–7, –3) C. (1, 5) D. (0, –1) Solve
1 answer
374 views
Solve the following system of equations:
x + y = 6 3x + 2y = 8 A. (11, –5) B. (–2, 8) C. ( –4, 10) D. (2, 4)
2 answers
387 views
Assume G(x)=H’(x)+1 and that H(0)=3 and H(0)=4. Compute the integral from 0 to 2 of g(x)dx
1 answer
230 views
A rectangle with a perimeter of 78 and a length that is 3 more than it’s width.Find the width,length,and the area.
1 answer
172 views
The item marian brings to the old ladies home is a....
Home made Card Box of candy potted plant vase of flowers I need the
2 answers
309 views
Does anybody have the answers for the Chemistry B Semester Exam?
4 answers
933 views
1: Indicate which of the analyses best supports the following topic sentence: Age 21 drinking laws should be eliminated.
1 . Some
3 answers
629 views
In which form of reproduction does the offspring grow specifically from the stem or root of a plant? (1 point)
37 answers
7,325 views
The pattern of writing that explains how to do something is best described as
cause and effect description process illustration
4 answers
890 views
Nora places 4 pictures on each of the 5 shelves in her bedroom how many pictures does Nora place on the shelves in all
1 answer
161 views
Write a polynomial function of least degree with rational coefficients so that P(x)=0 has the given root 3-i
1 answer
347 views
1. How do the governments and economies of foreign nations influence and affect the United States? 2. What challenges do
2 answers
868 views
What is the amount of sales tax owned on a $540 television if the tax rate is 7.5?
1 answer
650 views
How did the study of the atom contribute to our understanding of the periodic table of the elements?(1 point)
Experiments that
20 answers
6,128 views
A truck travels up a hill with a 6.9
◦ incline. The truck has a constant speed of 30 m/s. What is the horizontal component of
1 answer
288 views
Consider the ODE
y''(x) − y(x) = f(x), lim x→±∞ y(x) = 0 for some sufficiently smooth function f. Your task in this
1 answer
376 views
A car moving East out of velocity of 25.8 m/s collides with a stationary truck with exactly twice the mass. If the two vehicles
1 answer
227 views
A space shuttle has a mass of 110 kg with her space suit on. She is on a spacewalk and takes up a full can of spray with a mass
1 answer
710 views
A 25 kg object travels at 52 m/s West collides with a 39 kg object at rest. If the object sticks together on contact, the
1 answer
214 views
A 6.8 kg Cannonball is flying at 15.8 m/s [E] when it explodes into two fragments. One 1.4kg fragments (A) Goes off at 8.1 m/s
0 answers
300 views
Truck moves with a velocity of 43 m\s and collides with the stationary car with exactly 1 / 5 of its mass. If the two vehicles
0 answers
225 views
A 3.1g Ball makes a perfect inelastic collision with a second ball which is at rest. If the combined mass moves at a velocity of
1 answer
243 views
Please I need help?
Please and thank you. A 3.1g Ball makes a perfect inelastic collision with a second ball which is at rest. If
0 answers
245 views
4.0 kg object moving with unknown velocity collides with a 6.1 kg stationaty object. after the collision, the 4.0kg object
2 answers
263 views
Which ones are true?
1. Redox reactions are reactions where oxidation and reduction occur simultaneously. 2. Oxidation accurse at
1 answer
479 views
Which ones are true?
1. Combustion reactions are always endthermic 2. Exothermic reactions are reactions that absorb heat from
1 answer
786 views
What is the speed of an electromagnetic wave that has a frequency of 7.8 x 10^6 Hz?
1 answer
346 views
Balance the following reactions.
a. ____ CF₄ + ____ Br₂ → ____ CBr₄ + ____ F₂ b. ____ GaF₃ + ____ Cs → ____ CsF +
1 answer
539 views
A block of wood has a mass of 12 g and a volume of 6 cm what is the density of
the block of wood
1 answer
315 views
1. Use benchmarks to estimate the sum 13/15+1/8
A. About 1/2 B. About 3/4 C. About 1 D. About 1 1/2
30 answers
5,239 views
The ratio of the loudness of Lala’s earphones to the loudness of Polina’s
earphones to the loudness of Goffy’s earphones is
3 answers
1,149 views
Mid point is M(8,9), One endpoint is C(8,10). Find the other endpoint D
0 answers
152 views
Y’all know you can take the test more then once right?
1 answer
159 views
Determine a value of 𝑥 that makes the following statement true.
𝑙𝑜𝑔2(3)𝑥 + 𝑙𝑜𝑔2 (x/81(y^2-x^2)) +
3 answers
438 views
If (1/4)^𝑥+𝑦 = 256 and 𝑙𝑜𝑔4(𝑥 − 𝑦) = 3, calculate the exact values of 𝑥 and 𝑦 algebraically.
1 answer
446 views
On Apr 01, 201 6 the price of 1 Bitcoin (an internet currency) was about $448 usd. On Apr 01, 2021 the price of 1 Bitcoin was
1 answer
192 views
Is sand called sand because it's between sea and land?
1 answer
249 views
How much heat is evolved if 36.0 g C5H12 undergoes combustion at constant pressure
1 answer
218 views
Why can't the number eleven called like onetey one?
2 answers
272 views
A student conducted a calorimetry experiment where 76.0 g of silver metal at 75.0°C was dropped into a Styrofoam cup
calorimeter
1 answer
339 views
What is the output when the input is 10
1 answer
441 views
A solar panel is used to collect energy from the Sun and change it into other forms of energy. Which form of energy is collected
1 answer
976 views
Which statement best compares Josh’s feelings and his father’s in “I run into Dad’s room”?
B B A
30 answers
7,267 views
The slope of the minute hand on an analog clock is given by the expression cot(π/30 t), where t is time in minutes. Which of
2 answers
1,273 views
Using the standard restricted domain for the cotangent function, which of the following best describes the behavior of the
4 answers
1,574 views
The sum of two consecutive even numbers is 278. What are the two numbers?
A 50m cable is cut into three sections. Two sections
1 answer
961 views
The perimeter of the rectangle below is 208 units. Find the length of side AB .
Write your answer without variables. DA 4x+3 AB
1 answer
556 views
Consider the reaction:
2N2O (g) 2N2 (g) + O2 (g) The values of Kc at different temperatures are: Temperature: 838, Kc= 1.10 x
1 answer
1,952 views
Write each expression in the correct
answer space to show products less than 134 and those greater than 134 . 134 � 134 9 10 �
1 answer
307 views
At a taffy pull, George stretched the taffy
to 3 feet. Jose stretched it 1 1/3 times as far as George. Maria stretched it 2/3 as
4 answers
919 views
Figure B is the image of Figure C.
0 answers
182 views
Leslie will use more than 1/2 cup but less than 1 whole cup of flour for a recipe. What fraction of a cup might Leslie use?
1 answer
570 views
Hi, if a spinner is 3/10 green and 1/5 blue, is the probability of spinning a green or blue 1/2?
2 answers
532 views
Which property determines the loudness or softness of a sound wave?
0 answers
1,264 views
150g of ice is removed from a freezer at a temperature of -15°C. The ice is left, eventually reaching thermal equilibrium with
1 answer
569 views
Which wave is typically associated with a higher frequency and shorter wavelength?
0 answers
721 views
Gabriel has these cans of soup in his kitchen cabinet.
• 2 cans of tomato Soup • 3 cans of chicken soup • 2 cans of cheese
3 answers
1,897 views
What does it mean that a material transmits waves
23 answers
5,330 views
Eukaryotic are more _________ cells. They have a __________ and other membrane bound organelles. The tend to be much _________
1 answer
334 views
Write a piecewise function for the absolute value function. Explain your reasoning. You can insert a picture of your handwritten
3 answers
419 views
An atomic model shows 19 protons, 20 neutrons, and 19 electrons. What is the mass number of the atom?(1 point)
39 58 19 20 I need
30 answers
13,144 views
∠3 and \angle4∠4 form a Linear Pair. The measure of \angle3∠3 is six more than five times the measure of \angle4∠4. Find
1 answer
385 views
When researching the topic of "performance enhancement equipment in competitive sports," which source is most likely to be
13 answers
3,187 views
Which is the "better buy"? A 12 ounce can of corn for $1.92 of a 20 ounce can of corn for $3.00?
1 answer
611 views
Yanama Ltd. has 170,000 common shares outstanding with a carrying value of $16 per share. Yanama declares a 1-for-5 reverse
0 answers
303 views
-When the masses were 2 x 10^5 km apart, the gracitational force was 4 x 10^20 N. What is the force when the distance is halved
1 answer
334 views
Would someone please explain how confidence level 90%, alpha 0.05 would equal to Z0.05 = 1.645?
Thank you
0 answers
500 views
Write numbers greater than or equal to 10 in standard form
3 answers
424 views
A Crane lifts a cargo Box 10M off the ground if the Crane lifts the cargo Box toys as high the potential energy will be
3 answers
1,180 views
A17KG Box sitting on a shelf as the potential energy of 350 J how high is the shelf round your answered so the nearest whole
1 answer
393 views
I need help on math 7 a Lesson 4: Adding and Subtracting Rational Numbers
Essential Math 7 A Unit 4: Operations with Fractions
61 answers
5,151 views
Read the following sentence written in passive voice.
“Many mistakes were made today,” the coach said after the team’s
3 answers
2,952 views
Which sentence is written in passive voice?(1 point)
The quarterly ratings illustrate a boost in viewership. Late night comedy
1 answer
1,258 views
Which pair of ratios forms a proportion?
A. 5/12,7/15 B. 12/16,15/20 C. 8/32,1/3 D. 9/16,3/8
1 answer
742 views
Peter bought 24 tickets for 490. Adult tickets =25 and student tickets = 15. How many of each type did he buy?
1 answer
380 views
The density of copper is 8.96 g cm^−3 and its molar
mass is 64 g mol^−1. Calculate the mass of 1 atom of copper.
1 answer
831 views
How much more is the rate of change of function 2 than the rate of change of function 1? Function 2 y = 5x + 4
Function 1 y=3
1 answer
1,643 views
You would like to determine the percentage of coffee drinkers in your university, and collected the following binary data set
0 answers
926 views
What would be the change in energy for an atom when an electron goes from n=6 to n=3?
I'm assuming it would be negative because
1 answer
827 views
What is the relationship between two new random variables, Y1 and Y2, when defined in terms of i.i.d. Binomial random variables?
0 answers
350 views
A car begins to descend a 15.0o hill at a speed of 75.0 Km/hr and the driver puts the clutch in and lets the car coast down the
1 answer
431 views
Events related to the Poisson process can be often described in two equivalent ways: in terms of numbers of arrivals during
2 answers
3,589 views
Suppose that X , Y , and Z are independent, with E[X]=E[Y]=E[Z]=2 , and E[X2]=E[Y2]=E[Z2]=5 .
Find cov(XY,XZ) . cov(XY,XZ)=
0 answers
734 views
A chemist performs a series of reactions that produce binary lithium compounds. The elements include sulfur, chlorine, nitrogen,
2 answers
1,879 views
Calculate the concentration of H+ in a solution that is 1.5M NaF and 2.75M HF. The Ka = 6.4e-4
1 answer
352 views
Is square root of 16/4 an irrational number
1 answer
1,073 views
The top of a semicircular viewing window in an aquarium is 12 feet below the surface of the water. The density of water is 62.4
0 answers
398 views
Can you have a decimal in an angle
1 answer
428 views
1.In which country was Saddam Hussein the leader?
A.Syria B.Kuwait C.Iran D.Iraq** 2.Based on the information in this chart,
35 answers
13,595 views
A factory makes steel rods and steel tubes. The diameter of a steel rod is normally distributed with mean 3.55cm and standard
1 answer
657 views
In Fig. 10.20, the steel ring of diameter 2.5 cm is 0.10 mm smaller in diameter than the steel ball at 20° C. (a) For the ball
0 answers
526 views
If f(x) is differentiable for the closed interval [-3, 2] such that f(-3) = 4 and f(2) = 4, then there exists a value c, -3 < c
1 answer
418 views
A 89.0 kg person stands on one leg and 90% of the weight is supported by the upper leg connecting the knee and hip joint-the
0 answers
438 views
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