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3 years ago

NEED HELP ON THIS QUESTION ASAP

Mathematics

2 answers:

TiliK225 [7]3 years ago

6 0

Answer: the area = 24

Step-by-step explanation:please see attachment for explanation

kotykmax [81]3 years ago

5 0

Answer:

It could be B

Step-by-step explanation:

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Can someone please help? :)

garri49 [273]

Answer:

The first step is to find the volume of the two hemispheres.

Step-by-step explanation:

$\boxed{volume \: of \: sphere = \frac{4}{3} \pi {r}^{3} }$

Since the 2 hemispheres have the same radius, we can simply find the volume of a sphere.

Volume of sphere

$= \frac{4}{3}( \pi)( {12}^{3} )$

$= 2304\pi \: in^{3}$

Volume of solid

= volume of cylinder -volume of 2 hemispheres

Let's find the volume of the cylinder.

$\boxed{voume \: of \: cylinder = \pi {r}^{2}h }$

Volume of cylinder

$= \pi( {12}^{2} )(24)$

$= 3456\pi \: in^{3}$

Thus, volume of solid

$= 3456\pi - 2304\pi$

$= 1152\pi$

$= 1152(3.14)$

$= 3617.28 \: in^{3}$

7 0

3 years ago

Read 2 more answers

A small-appliance manufacturer finds that the profit P (in dollars) generated by producing x microwave ovens per week is given b

Olegator [25]

Answer:

Number of ovens must be manufactured in a given week to generate a profit of $1610 is 70

Step-by-step explanation:

We are given

A small-appliance manufacturer finds that the profit P (in dollars) generated by producing x microwave ovens per week is given by the formula

$P=\frac{1}{10}x(300-x)$

provided that 0 ≤ x ≤ 200

We are given

profit is $1610

so, we can set P=1610

and then we can solve for x

$1610=\frac{1}{10}x(300-x)$

Multiply both sides by 10

$1610\cdot \:10=\frac{1}{10}x\left(300-x\right)\cdot \:10$

$16100=x\left(300-x\right)$

$16100=300x-x^2$

$-x^2+300x-16100=0$

now, we can factor it

$(x-70)(x-230)=0$

we can solve for x

and we get

$x=70,x=230$

Since, x=230 does not lie on 0 ≤ x ≤ 200

So, we will consider only x=70

So,

Number of ovens must be manufactured in a given week to generate a profit of $1610 is 70

7 0

4 years ago

Find the product mentally.

jonny [76]

(2j+7)(2j−7)

=(2j+7)(2j+−7)

=(2j)(2j)+(2j)(−7)+(7)(2j)+(7)(−7)

=4j2−14j+14j−49

=4j2−49

5 0

4 years ago

Read 2 more answers

Steven is training for a race. He can currently run 1 mile in 7 minutes and wants to improve his time by 10 seconds each week un

qaws [65]

The answer is d I hope this helps

8 0

3 years ago

Proving lines parallel determine the value of X

Maslowich

when both l and m are parallel then 

(4x+7) = (6x-63)

-2x = -70

-x = -70/2

-x = -35

x = 35

hope it helps and ur day will full of happiness

3 0

3 years ago