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Komok [63]
3 years ago
5

Need now

Mathematics
2 answers:
denpristay [2]3 years ago
4 0
It is 48 cubic inches
professor190 [17]3 years ago
3 0

first is 134.24

second is 452.16

third is 904.32

fourth is 2612.48 ft3

fifth is 42.39

plz mark brainly have a great rest of ur day :D

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Ms. Pacheco wrote the following expression. [7 x (4 + 11)] - 9 What is the value of the expression?
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3 0
3 years ago
Which expression is a factor of x^2 + 2x – 15?​
Ksju [112]
To factor this you need values that add up to 2 and multiply to -15

So you get 5,-3 then you put it into your equation for you b value

X^2+5x-3x-15

Then you can factor by grouping

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7 0
3 years ago
ITS 25 POINTS PLEASE ANSWER
lord [1]

Answer:

17 rows

Step-by-step explanation:

We know that f(x) = 2x² - 10x models the total number of spaces and x models the number of rows.

Since we are given the total number of spaces of 408. We let f(x) = 408

2x² - 10x = 408

Now we solve as a quadratic, subtract 408 to both sides

2x² - 10x - 408 = 0

Divide 2 on both sides

x² - 5x - 204 = 0

We look for terms that multiply to -204 and add to -5.

Those terms are -17 and 12

x² - 17x + 12x - 204 = 0

x(x-17) + 12(x-17)

(x+12)(x-17)

x = -12 x = 17

We can not have -12 rows but we can have 17 rows.

17 rows is the answer.

3 0
2 years ago
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