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Gekata [30.6K]
3 years ago
5

You are going to buy doughnuts for your coworkers. You buy 2 boxes of glazed doughnuts for $3.99 each, 3 boxes of chocolate-cove

red doughnuts for $4.49
each and 1 box of cream-filled doughnuts for $4.99. You pay the cashier with a $50 bill. How much change should you receive?
Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
4 0
You will receive $23.56 back.
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Evaluate the Expression z(z-7) when z=10
Alchen [17]

Answer:

30

Step-by-step explanation:

z(z-7)

Let z= 10

10(10-7)

Parentheses first

10 (3)

Multiply

30

3 0
3 years ago
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31= -(1+p) +4CP+6)<br><br> Please help solve
Dimas [21]

Answer:

p=4CP - 26

C= p/4P + 13/2P

P= P/4C +13/2C

Step-by-step explanation:

4 0
3 years ago
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3. What is the surface area of the triangular prism shown below?
jekas [21]

Answer:

1233cm^2

Step-by-step explanation:

a of triangle = 1/2 bh

1/2 x 12 x 9 = 54

108 x 2 = 108

a of regtangle = l x w

25 x 15 = 375

375 x 3 = 1125

total surface area = 1125 + 108 = 1233cm^2

7 0
2 years ago
If y varies jointly as x and the cube of z and y=16 when x=4 and z=2 then y=0.5 when x=-8 and z=-3?
Evgesh-ka [11]

Answer: F (False)

Step-by-step explanation:

 Jointly variation has the following form:

y=kxz

Where k is a constant of propotionality.

Substitute values:

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16=k(4)(2)^{3}\\k=1/2

If x=-8 and z=-3 the the value of y is:

y=(1/2)(-8)(-3)^{3}\\y=-108

Then the answer is FALSE.

8 0
3 years ago
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If all the dimensions of a cube are doubled, then the new volume is___ times greater.
vichka [17]
The formula for finding the volume of a cube is s^{3}, where s is the side length.

The formula for a cube with each side length doubled is (2s)^{3}, or 8<span>s.

</span><span>If all the dimensions of a cube are doubled, then the new volume is eight times greater.</span>
8 0
3 years ago
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