Jesse was walking at 1 m/s and speeds up to 5 m/s in 2 seconds. What is Jesse's acceleration?

Answers

Answer 1

Answer: $a=(v_f - v_i)/(\delta t) = (5m/s - 1m/s)/(2seconds) = (4m/s)/(2seconds)=2m/s^(2)$

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In UVW the measure of W=90 the measure of U=39 and WU=96 feet. Find the length of UV to the nearest tenth of a foot.

Answers

Answer:

Step-by-step explanation:

123.5

Answer:123.5

Step-by-step explanation:

A body moving with a velocity of 20 m/s begins to accelerate at 3 m/s2. How far does the body move in 5 seconds?A. 196 m
B. 137.5 m
C. 260 m
D. 162.5 m

Answers

Answer is B. According to the equation of motion s = vt + 1/2 at2 Where s is distance covered, v is velocity, a is acceleration and t is time taken. So, by putting all the values, we get s = (20)(5) + 1/2 (3)(5)2 s = 100 + 1/2 (3)(25) s = 100 + 1/2 75 s = 100 + 37.5 s = 137.5 meters

Answer:

The Correct answer to this question for Penn Foster Students is: 137.5 m

Step-by-step explanation:

The Correct answer to this question for Penn Foster Students is: 137.5 m

Emmett squeezed 1/3 cup of orange juice in 2 minutes. He divided to find how many cups of orange juice he could squeeze per minute, but he made a mistake. Which reason explains why his answer must be wrong?

Answers

Given:
1/3 cup of orange juice in 2 minutes

Unit rate is needed.

1/3 ÷ 2

Steps in dividing fractions.
1) Get the reciprocal of the 2nd fraction.
2 is the 2nd fraction. It is 2/1 in fraction form. Its reciprocal is 1/2
2) Multiply the 1st fraction to the reciprocal of the 2nd fraction

1/3 * 1/2 = 1*1 / 3*2 = 1/6 cup

Emmet can squeeze 1/6 cup of orange juice per minute.

A town had about 2120 acres of pine trees 40 years ago. Only about 13% of the pine trees remain. How many acres of pine trees remain? Round your answer to the nearest tenth.

Answers

There will be 275.6 acres of pine trees are left out of 2120 acres

Data;

Number of acres = 2120
percentage left = 13%

Percentage

To calculate the percentage of a value, we find the value of that value to it's total value multiplied by 100.

To find 13% of 2120,

$(13)/(100)= (x)/(2120)\n 100 * x = 13 * 2120\n 100x = 27560\n(100x)/(100) = (27560)/(100)\n x= 275.6 acres$

From the calculations above, only 275.6 acres of pine trees are left out of 2120 acres.

Learn more on percentage here;

brainly.com/question/843074

To calculate 13% of 2120, we multiply by 13/100. 13/100*2120=13*21.2, or 275.6 using basic multiplication.

if a and b are the measures of two first quadrant angles and sin a = 4/5 and sin b = 5/13, find sin a+b.

Answers

given that sin a= 4/5
cos a= √(1-sin²a)
   = √(1-16/25)
   = √(9/25)
   = 3/5
sin b=5/13
cos b= √(1-sin²b)
   = √(1-25/169)
   = √(144/169)
   = 12/13

sin(a+b)= sin a· cos b + cos a · sin b
      = 4/5· 12/13 + 3/5· 5/13
      = 48/65+15/65
   = 63/65
hope it helps

Answer:

[A] sin(a + b) = $(63)/(65)$

Is 1/3 greater than .3

Answers

Yes, 1/3 is greater than .3

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