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2 years ago

A bag contains different colored jelly beans. In the bag, there are 5 red jelly

Mathematics

1 answer:

ikadub [295]2 years ago

4 0

Answer:

1/4

Step-by-step explanation:

3/12 = 1/4

(We got 12 by adding all the numbers together.)

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Ian tosses a bone up in the air for his dog, Spot. The height, h, in feet, that Spot is above the ground at the time t seconds a

kirill115 [55]

Answer:

12 feet per second.

Step-by-step explanation:

Please consider the complete question.

Ian tosses a bone up in the air for his dog, Spot. The height, h, in feet, that Spot is above the ground at the time t seconds after she jumps for the bone can be represented $h(t)=-16t^2+20t$ .

What is Spot's average rate of ascent, in feet per second, from the time she jumps into the air to the time she catches the bone at t=1/2?

We will use average rate of change formula to solve our given problem.

$\text{Average rate of change}=\frac{f(b)-f(a)}{b-a}$

$\text{Average rate of change}=\frac{h(\frac{1}{2})-h(0)}{\frac{1}{2}-0}$

$\text{Average rate of change}=\frac{-16\cdot(\frac{1}{2})^2+20\cdot \frac{1}{2}-(-16\cdot(0)^2+20\cdot (0))}{\frac{1}{2}-0}$

$\text{Average rate of change}=\frac{-16\cdot\frac{1}{4}+10-(0)}{\frac{1}{2}}$

$\text{Average rate of change}=\frac{-4+10}{\frac{1}{2}}$

$\text{Average rate of change}=\frac{6}{\frac{1}{2}}$

$\text{Average rate of change}=\frac{2\cdot 6}{1}$

$\text{Average rate of change}=12$

Therefore, Spot's average rate of ascent is 12 feet per second.

3 0

3 years ago

What is the volume of the rectangular prism.

Pie

Answer:

C: 200

Step-by-step explanation:

Just multiply 12.5 x 8 x 2 to get the answer.

3 0

2 years ago

Read 2 more answers

WILL GIVE BRAINLIEST AND MANY POINTS PLEASE HELP IM DROWNING IN WORK

MissTica

Answer:

a*sqrt(x+b) + c = d

a*√(x+b) + c = d

Step-by-step explanation:

8 0

3 years ago

Find the product.<br> (x+2)(x−2)=

kaheart [24]

Answer:

x² - 4

Step-by-step explanation:

Step 1: Write expression

(x + 2)(x - 2)

Step 2: FOIL

x² + 2x - 2x - 4

Step 3: Combine like terms

x² - 4

8 0

2 years ago

Read 2 more answers

I need help on this question

solong [7]

Answer:

Diego: y = 11 + 5 x

Emilia: y = 60 - 2 x

Step-by-step explanation:

y for saving and x for weeks

Diego: y = 11 + 5 x

Emilia: y = 60 - 2 x

7 0

3 years ago