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Alexxx [7]
4 years ago
10

8th grade math! Help please!

Mathematics
2 answers:
kakasveta [241]4 years ago
8 0
5/21 is the answer to this question.
Effectus [21]4 years ago
3 0
20/84 simplified is divided by four by both sides and it becomes 5/21
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What are the factors of -20 that have a sum of -1
qaws [65]

Answer:

The factors of -20 are:

1, 2, 4, 5, 10, 20

-1, -2, -4, -5, -10, -20

Step-by-step explanation:

6 0
3 years ago
The equation f = v + at represents the final velocity of an object, f, with an initial velocity, v, and an acceleration rate, a,
Elenna [48]

Answer:

(f-v)/a = t

Step-by-step explanation:

f = v + at

Subtract v from each side

f-v = v-v + at

f-v = at

Divide each side by a

(f-v)/a = at/a

(f-v)/a = t

4 0
3 years ago
How many solutions does this system have <br> 2x+3y=-3<br> 3x+5y=-9
olga nikolaevna [1]

Step-by-step explanation:

please mark me as brainlest

5 0
2 years ago
Pleaseeeeeeee friends
IgorC [24]
B(x)=x2+3
I believe so
3 0
3 years ago
0.4(2x-9)-0.6(4x+5)=
masha68 [24]

Answer:

From what I can comprehend I believe the answer is <em>3.2x + -4</em>

Step-by-step explanation:

0.4(2x-9) = 0.8x - 9

0.8x - 9 - 0.6(4x+5)=

0.8x - 9 + 2.4x+5

0.8+2.4 = 3.2x

-9 + 5 = -4

3.2x + -4

5 0
3 years ago
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