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Zarrin [17]
3 years ago
15

WILL UPVOTE! Factor the expression. 4r^2 − 49 =

Mathematics
1 answer:
chubhunter [2.5K]3 years ago
6 0
Would it be
(2r-7)*(2r+7)

?
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Algebra.
Bad White [126]

Answer:

1 C

2 A

3 B

Hope this helps



7 0
3 years ago
What is the value of a if a is equal to a×a×a=a+a+a
bagirrra123 [75]

Answer:

a = ±sqrt(3)

Step-by-step explanation:

a×a×a=a+a+a

Simplifying each side

a^3 = 3a

Divide each side by a

a^3 /a = 3a/a

a^2 = 3

Take the square root of each side

sqrt(a^2) = ±sqrt(3)

a = ±sqrt(3)

8 0
2 years ago
Read 2 more answers
Part B.<br> What is the volume of each cubic block?
monitta

Answer:

1 / 36 ft³

Step-by-step explanation:

Length = 1/2 ft

Width = 1/6 ft

Height = 1/3 ft

The volume of the tank can be obtained using the relation :

Volume = Length * width * height

Volume = (1/2 * 1/6 * 1/3) ft³

Volume = 1 / 36 ft³

6 0
3 years ago
What is equivalent to (x+1) (x-2)(x+4)(3x+7)
marta [7]

Answer: 6x*9

Step-by-step explanation:

open parathesises to

x+1*x-3*x+4*3x+7

combine like terms

6x*9

you can’t simplify further so bam

hope i did this right and it helps :)

8 0
3 years ago
Write 7.65040 x10-4 power in scientific notation
gizmo_the_mogwai [7]

It's already in scientific notation form;

Answer of your question,

3x+46 = 10x-80

7x = 34

x = 4.85

5 0
3 years ago
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