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2 years ago

Plzz help me i will give bairnlest frfr and i will give you a 10/10 and a thank you

Mathematics

1 answer:

Rus_ich [418]2 years ago

8 0

Answer:

the answer is 210,000

Step-by-step explanation:

30×7,000= 210,000

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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.

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3 years ago

Find the value of x. Show all of your work!

Georgia [21]

Answer:

145⁰

Step-by-step explanation:

180 minus 73⁰ plus 62⁰

which is 180 minus 135

145⁰

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3 years ago

When full, a cinema house has n people. When 280 people have taken seat the remaining seats comes to $384 if each tickets cost $

Yuki888 [10]

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Find the area of the parallelogram with a base of 12 units and height of 8 units. Use your rectangle from the previous question

Troyanec [42]

Answer:

96 units^2

Step-by-step explanation:

A of parallelogram =base×height

12×8= 96 units^2

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2 years ago

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It’s the second, the penultimate and the last one :)

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