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saw5 [17]
3 years ago
7

2. Karen sells newspaper subscriptions. She earns $12 for each daily subscription and $4 for each Sunday- only subscription. How

much will she earn if she sells 24 daily and 13 Sunday-only subscriptions in a week?​
Mathematics
1 answer:
Harman [31]3 years ago
5 0

Your Answer;

❀♡ 12 x 24 + 4 x 13 = 340 ♡❀

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None of the answers are correct in this question

6 0
3 years ago
A sphere has a radius of 4 inches. What is the surface area of the smallest cube that could circumscribe the sphere?
vovikov84 [41]

Answer:

SA=384\ in^2

Step-by-step explanation:

we know that

The smallest cube that could circumscribe the sphere has a length side equal to the diameter of the sphere

In this problem

The radius of the sphere is r=4\ in

The diameter of the sphere is two times the radius

D=2r=2(4)=8\ in

so

The length side of the cube is

b=8\ in

Remember that

The surface area of a cube is equal to the area of its six faces

so

SA=6b^2

substitute the value of b

SA=6(8)^2

SA=384\ in^2

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3 years ago
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Harrizon [31]
From the explanation below,
a= -10 and b= -4

7 0
3 years ago
Prove that lines 3x-4y=12 and 3y=12-4x are perpendicular.
Svetllana [295]

Answer:

see explanation

Step-by-step explanation:

If 2 lines are perpendicular then the product of their slopes equals - 1

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Consider the given equations

3x - 4y = 12 ( subtract 3x from both sides )

- 4y = - 3x + 12 ( divide terms by - 4 )

y = \frac{3}{4} x - 3 ← in slope- intercept form

with slope m = \frac{3}{4}

3y = 12 - 4x = - 4x + 12 ( divide terms by 3 )

y = - \frac{4}{3} x + 4 ← in slope- intercept form

with slope m = - \frac{4}{3}

Then

\frac{3}{4} × - \frac{4}{3} = - 1

Since the product of their slopes = - 1 then the lines are perpendicular

3 0
3 years ago
You have at most $3.65 to make copies for a school project. Each copy costs $0.25. Write and solve an inequality that represents
slamgirl [31]

The equation for the problem is 0.25x ≤ 3.65

Hope it helps!

5 0
3 years ago
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