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patriot [66]
3 years ago
12

What is one of the best methods to multiply these binomials: (x+8)(x+7)

Mathematics
2 answers:
AfilCa [17]3 years ago
8 0

Answer:

A for me

Step-by-step explanation:

hope that helps you

Elodia [21]3 years ago
3 0
The answer is C, you can do this by doing FOIL
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Both please I need this now
DIA [1.3K]

Answer:

c d

Step-by-step explanation:

3 0
3 years ago
The volumes of two similar square pyramids is 128 and 250 meters respectively. The side length of the smaller pyramid is 8 meter
Yuliya22 [10]

Answer:

Height of bigger square pyramid = 3.072 meter

Step-by-step explanation:

Using equivalent ratios to find the side of the bigger square prism

128:8 = 250:X

X = (250 x 8) ÷ 128 = 15.625

Volume of a square pyramid = a x a x h/3

Hence to evaluate the height

250 = 15.625 x 15.625 x h/3

H = 3.072 meters

6 0
3 years ago
5x + 7y = 25<br> 5x - 2y = -65<br> solve using elimination<br> (step by step please)
aliina [53]

5x+7y=25

5x-2y=-65

subtract both of the equations

5x-5x=0

7y--2y= 7y+2y=9y

25--65=25+65=90

0+9y=90

9y=90

divide both sides by 9 to get y by itself

9y/9=90/9

cross out 9 and 9 which becomes 1*1*y=y

90/9=10

y=10

find x by using the substitution method

5x+7y=25

5x+7(10)=25

5x+70=25

move +70 to the other side

sign changes from +70 to -70

5x+70-70=25-70

5x=-45

divide both sides by 5 to get x by itself

5x/5=-45/5

cross out 5 and 5 then becomes 1*1*x=x

-45/5=-9

x=-9

answer:

(-9,10)

6 0
3 years ago
Find the value of x that makes each sentence true.
ki77a [65]

Answer:

51/25 and 27/4

Step-by-step explanation:

distributing and dividing both sides by coefficient of x

8 0
3 years ago
Read 2 more answers
Type the correct answer in each box. Use numerals instead of words.
brilliants [131]

Answer:

100 newtons, 20 newtons per second

Step-by-step explanation:

7 0
3 years ago
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