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2 years ago

If a=3 what is the value of 2a^2

Mathematics

1 answer:

ANTONII [103]2 years ago

8 0

Answer:

Step-by-step explanation:

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What is the approximate volume of the cone?

Mnenie [13.5K]

Answer:

A. 1206 cm³

Step-by-step explanation:

We have a cone and are asked to find the approximate volume of it.

Keep in mind we are using π for 3.14

The forumla of a cone is V = πr² $\frac{h}{3}$

We know the radius = 12

and the height = 8

Substitute :

V = π12² $\frac{8}{3}$

Since these are multiplied with each other, we can first start off with multiplying the fraction, including with factoring 12²:

V = $\frac{2^4*3^2*8\pi }{3}$

Cancel the common factor - 3 :

V = $2^4 * 8 * 3\pi$

Multiply 8 and 3π :

V = $2^4 * 24\pi$

Solve the exponent :

V = $16 * 24\pi$

Multiply :

V = $384\pi$

Multiply for the final answer :

1205.76 cm³

which can be rounded up to

A. 1206 cm³

3 0

3 years ago

Please help! I will mark as brainliest IF answer is right. <3

Ksju [112]

Answer:

$y = - \frac{11}{2} x + 30 \frac{1}{2}$

$y = 30 \frac{1}{2} - \frac{11}{2} x$

if accepted:

$2y = - 11x + 61$

$2y = 61 - 11x$

8 0

2 years ago

A data set whose original x values ranged from 120 through 351 was used to generate a regression equation of ŷ=0.06x + 14.2. Use

lawyer [7]

Answer:

35.32

Step-by-step explanation:

The regression equation usually demonstrated as

y=a+bx.

In the above equation y is the dependent variable, x is the independent variable, a is the intercept of regression line and b is the slope of regression line.

The given regression equation is

y^=0.06x+14.2

The predicted value of y can be computed by simply putting the value of x in above equation.

So,

y^=0.06(352)+14.2

y^=21.12+14.2

y^=35.32

Thus, the predicted value of y for x=352 is 35.32.

6 0

3 years ago

Maria is purchasing a car whose MSRP is $22,450. She has asked for an upgrade to a premium package for which the cost is $4000.

N76 [4]

The total price of the vehicle would be $<span>20,150</span>

4 0

3 years ago

Complete the table to determine the amount of money that gabriella would recieve in exchange for 200 u.s dollars in each country

Anestetic [448]

Answer:

might wanna show us the table

3 0

2 years ago