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3 years ago

Please help. I will give 15 points.

Mathematics

2 answers:

Aneli [31]3 years ago

8 0

Answer:

its A

Step-by-step explanation:

vlabodo [156]3 years ago

4 0

Answer:

A, bc 7 divided by 1/5 is 35 so it makes the most sense other than 1/35

Step-by-step explanation:

Hoped I helped Im Eve btw. Have an amazing day and consider marking this as brainliest if you do thank you in advanced! :3

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What is the sum of the 14th square number and the 1st cube number?

melisa1 [442]

Answer:

197

Step-by-step explanation:

Assuming the question is asking for the sum of 14 squared and 1 cubed, 14 squared is 196 and 1 cubed is 1. Adding these together is 196+1 which gives 197.

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2 years ago

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The volume of a right circular cone is found using the equation V = 1 3 π r 2 h . Which equation represents the volume solved fo

alex41 [277]

Solving for a variable in an equation means, we are changing the subject of formula of the equation.

The equation of r is: $\mathbf{r = \sqrt{\frac{3V}{\pi h}}}$

The equation is given as:

$\mathbf{V = \frac 13 \pi r^2h}$

We start by multiplying both sides by 3

$\mathbf{V \times 3= \frac 13 \pi r^2h \times 3}$

Rewrite as:

$\mathbf{3V= \pi r^2h}$

Divide both sides by $\mathbf{\pi h}$

$\mathbf{\frac{3V}{\pi h}= \frac{\pi r^2h}{\pi h}}$

Cancel out common factors

$\mathbf{\frac{3V}{\pi h}= r^2}$

Take square roots of both sides

$\mathbf{\sqrt{\frac{3V}{\pi h}}= \sqrt{r^2}}$

Evaluate the right-hand sides

$\mathbf{\sqrt{\frac{3V}{\pi h}}= r}$

Make r the subject

$\mathbf{r = \sqrt{\frac{3V}{\pi h}}}$

Hence, the resulting equating for r is:

$\mathbf{r = \sqrt{\frac{3V}{\pi h}}}$

Read more about the subject of formulas at:

brainly.com/question/21866313

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2 years ago

What is the ratio of 12 minute to 1 hour?

Trava [24]

Answer:

1/5

Step-by-step explanation:

i did the math

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3 years ago

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The temperature in the late afternoon was -7.5° it dropped 5° by early evening and then dropped another 85° by midnight what was

dalvyx [7]

Step-by-step explanation:

i think you missed a decimal place for 8.5°

when temperatures drop it means minus

-7.5-5-8.5= -21°

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3 years ago

. Paige can complete a landscaping job in

Lapatulllka [165]

Maybe less than 4hrs since there’s two working together and since malia can complete less than Paige

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2 years ago