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Ludmilka [50]
3 years ago
7

Evaluate 12x-(4y+7z) for x=9 y= 4 and z = 2

Mathematics
1 answer:
Brums [2.3K]3 years ago
6 0

The answer to "12x-(4y+7z) for x=9 y= 4 and z = 2" is 78.

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If we wanted to know how high a 5th-grade student could jump, how many students would be reasonable to test? 5, 12, 30, or 200.
77julia77 [94]
The right amount to test would be 30.

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Hope this Helps!!
4 0
3 years ago
Consider the expression: (x + 3)•(y + 1)•(x + 2)
emmainna [20.7K]

Answer:

Step-by-step explanation:

First we multiply x through (y+1). This equals xy +x.

Second we take 3 through (y+1). This equals 3y+3.

Next we take xy + x through (x+2). This equals 2x squared, y + 2x squared.

Fourth we take 3y+3 through (x+2). This equals 6xy + 6x.

5 0
3 years ago
Which value, when placed in the circle, would result in a system of equations with infinitely many solutions?
Arlecino [84]

Answer:

A. -10

Step-by-step explanation:

I think you would do like this:

y=2x-5

what about 2y(2x-5) times 2)

so 2y=4x- (-10)

5 0
3 years ago
Round your answer to the nearest whole. use Pie as 3.14
sladkih [1.3K]
To find the volume of a cylinder you must use the formula:


πr^2h

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π(3)^2•(11)

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~ 311.01 cm^3
3 0
3 years ago
Write an expression for the sequence of operations described below. multiply 3 by t, triple the result, then raise what you have
Nadusha1986 [10]

Answer: 43046721(t^8)

Step-by-step explanation:

So first, multiply 3 by t to get 3t. Then, multiply it again by 3 to get 9t. Raise it to the 8th power to get (9^8)(t^8). This gives you 43046721(t^8)

4 0
3 years ago
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