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OLga [1]
3 years ago
11

Perform the operation. (3x^2+4)-(-5x^2+4x-1)

Mathematics
1 answer:
Galina-37 [17]3 years ago
7 0

Answer:

8x^2-4x+5

Step-by-step explanation:

(3x^2+4)-(-5x^2+4x-1)

Let's start by removing the parentheses.

3x^2+4-(-5x^2)-4x+1

Now let's reorder the equation to make it easier to combine like terms.

3x^2+5x^2-4x+1+4

Combine like terms.

8x^2-4x+5

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Simplify (-3k + p – 1) – (2k – 6p – 2)
Rom4ik [11]

Answer:

-5k+7p+1 I THINK

Step-by-step explanation

destribute the negative

(-3k + p – 1) – (2k – 6p – 2)

-2k+6p+2

add to the (-3k + p – 1) to simplify

-5k+7p+1

3 0
3 years ago
1 point
Hitman42 [59]

Answer:

20cm

Step-by-step explanation:

Let s = the length of the base

Let 4s = the length of the height

V = BH       Since the base is a square, B = s2

V = s2 H

500 = s2(4s)

125 = s3

s = 5 cm

4s = 20 cm - the height

6 0
3 years ago
What is 347,492 rounded to the nearest ten thousand
34kurt

Answer:350,000

Step-by-step explanation:

6 0
3 years ago
Find the slope of the line that passes through (-64, -2) and (-29, 38).
ioda
The slope
m = (y2 - y1)/(x2 - x1)
m = ( 38 - -2)/ (-29 - -64)
m = 40/35
simplify
m = 8/7

Hope this helps 
3 0
3 years ago
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