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AleksAgata [21]
3 years ago
9

4 times a number cubed decreased by 7... write an algebraic expression

Mathematics
1 answer:
Lostsunrise [7]3 years ago
3 0
Your answer is: 4x³-7
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The ordered pairs (1, 3), (2, 9), (3, 27), and (4, 81) represent a function. Write a rule that represents this function.
Art [367]
Let x be the first number each pair and y is the second of each As you see 1x is 3y
And. 2x is 3*3y= 9y
3x = 3*3*3y= 27y

Last 4x =3*3*3*3y= 81y

So y = 3^x
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3 years ago
What is the area of a square with a side lenght of 3/8 inches?
allochka39001 [22]

Answer:0.140625

Step-by-step explanation:

Area of square =length times width

3/8 * 3/8=0.140625

6 0
3 years ago
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Suppose that in a normal half hour of practice, a tennis player expends 280 calories of energy.
sertanlavr [38]

Answer:

308 Calories

Step-by-step explanation:

So we start off with 280 as usual, but I will focus on the percent. The given percent is 110% "effort". What we would need to do here is, Firstly, change the percent into a decimal, and this is done by moving the decimal spot of 110%. What I mean is that 110.% and you move that little period over 2 times to the left and also remove the percent as for now because we will not need it. After that you would get 1.10. This is what we will multiply by. So if we did 280x1.10 it equals 308, and that is how I got 308

Hope this helps!

4 0
3 years ago
1 BAJILLION POINTS!!
Natalija [7]

Answer:

False!

Step-by-step explanation:

As C is not equal to -13 (number line)

So, your answer would be false.

hope it helps!

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3 years ago
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Almonds cost $5 per pound. Cashews cost $2 per pound. Matt purchased a container of almonds and cashews that sells for $3 per po
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Answer:

Step-by-step explan

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