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gtnhenbr [62]
2 years ago
8

(-3x2 + x + 5) − (4x2 − 2x)

Mathematics
2 answers:
Tasya [4]2 years ago
7 0

Answer:

-7x^2 + 3x + 5

Step-by-step explanation:

-3x^2 + x + 5 - 4x^2 + 2x

nydimaria [60]2 years ago
7 0
(-6+x+5)-(8-2x)
-1+x-8+2x
-9 + 3x
If 3x-9=0
Then x =3
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Simplify. x^3 ÷ x^5​
fomenos

Answer:

x^-2

Step-by-step explanation:

(x*x*x)/(x*x*x*x*x)

1/x*x

1/x^2

x^-2

3 0
3 years ago
Read 2 more answers
Check me please for mistakes
andriy [413]
The first 3 are correct but for the last one I’m not sure
3 0
3 years ago
2(3x−5a)+9(2a−7b)+3(5a−2x)=0
alexdok [17]

Answer:

a=63b/23, b=23a/63

7 0
3 years ago
On a map, 2 cm represents 30 mi. The actual distance between two towns
nydimaria [60]

Answer:

<h2>5 cm</h2>

Step-by-step explanation:

step one:

Given that the scale of the map is

 2cm to represent 30 miles

That is  every 1 cm is 15 miles in reality

step one:

what we are solving for is the distance in cm on the map so,

1cm rep 15miles

xcm rep 75miles

cross multiply

Xcm= 75/15

X= 5 cm

hence on the map 75miles distance between the two towns is seen as 5 cm

8 0
3 years ago
dibuja un triangulo de catos de 15cm, 8cm. al unir sus puntos medios resulta un triangulo semejante a este
marshall27 [118]

Answer:

Step-by-step explanation:

4 0
4 years ago
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