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3 years ago

What 78 divide by 858 do yall know

Mathematics

2 answers:

finlep [7]3 years ago

8 0

Answer:

0.0909090909

Step-by-step explanation:

BaLLatris [955]3 years ago

7 0

0.0909090909 Is the answer my friend plz mark brainliest

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A softball team is ordering pizza to eat after their tournament. They plan to order cheese pizzas that cost $6

vampirchik [111]

The cheese pizzas is $6.00 each. The four-topping pizzas are $10.00 each.

The expression would be $6c + $10f because the c and f are variables and the variables stand for the amount of pizzas they ordered.

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3 years ago

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180-91=89
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PolarNik [594]

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3 years ago

The volume of a spherical balloon is increasing at the rate of 25cm^3/min, how fast is the radius increasing when the radius is

S_A_V [24]

Answer:

So the radius is increasing at $\frac{1}{64\pi} \frac{\text{cm}}{\text{min}}$ .

This is approximately 0.00497 cm/min that the radius is increasing.

Step-by-step explanation:

$V=\frac{4}{3}\pi r^3$

The volume and radius are both things that are changing with respect to time.

So their derivatives will definitely not be 0.

Let's differentiate:

$V'=\frac{4}{3} \pi \cdot 3r^2r'$

I had to use constant multiple rule and chain rule.

We are given $V'=+25 \frac{\text{cm^3}}{\text{min}}$ and $r=20 \text{cm}$ .

We want to find $r'$ .

Let's plug in first:

$25=\frac{4}{3}\pi \cdot 3(20)^2r'$

$25=\frac{4}{3} \pi \cdot 3(400)r'$

$25=\frac{4}{3} \pi \cdot 1200r'$

Multiply both sides by 3:

$75=4 \pi \cdot 1200r'$

$75=4800 \pi r'$

Divide both sides by $4800 \pi$ :

$\frac{75}{4800 \pi}=r'$

$\frac{1}{64 \pi}=r'$

So the radius is increasing at $\frac{1}{64\pi} \frac{\text{cm}}{\text{min}}$ .

This is approximately 0.00497 cm/min that the radius is increasing.

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Rina8888 [55]

Answer: No it does not matter unless instructed to put in a certain order so you are correct.

Step-by-step explanation:

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