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pishuonlain [190]
3 years ago
15

Find the sum of -2x^ - 3x and x^ + 7x

Mathematics
1 answer:
vichka [17]3 years ago
5 0
Sum of -2x^-3x is -5x and sum of x^+7x is 8x hope this helps answer my question please !!
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A rectangular prism measures 8 inches by 8 inches by 12 inches. What is it's surface area
Arlecino [84]
64 inches is the correct answer. To get it you need to multiply the length times the width.

(this is incorrect. Sorry for the inconvenience)
3 0
3 years ago
Solvę for x. Assume that lines which appear tangent are tangent.
Tom [10]

Answer:

7

Step-by-step explanation:

Use secant-tangent product theorem.

1. Set up the equation

(x-3)(x-3+5) = (x-1)²

2. Solve

(x-3)(x+2) = (x²-2x+1)

(x²-x-6) = (x²-2x+1)

3. Solve for x

Subtract x² from both sides

-x-6 = -2x+1

Add 2x and 6 to both sides

x = 7

6 0
3 years ago
Make w the subject of the formula p = 2w+7 divided by 12
Reptile [31]

Answer:

w = (12p - 7) / 2

Step-by-step explanation:

p = (2w + 7) / 12

12p = 2w + 7

2w = 12p - 7

w = (12p - 7) / 2

4 0
2 years ago
I need to know how to find the slope of the line for #2
son4ous [18]
Slope formula : (y2 - y1) / (x2 - x1)
now pick 2 points on ur line...
(1,2)......x1 = 1 and y1 = 2
(3,0)......x2 = 3 and y2 = 0
now sub
slope = (0 - 2) / (3 - 1) = -2/2 = -1 <== ur slope is -1
3 0
2 years ago
Find the equation of a line that has slope, m, of 4 and passes through the point (10, 15).​
Fantom [35]

Step-by-step explanation:

m=4 , (10, 15)

straight line equation:

y= mx +c

substituting the values:

15=4(10) + c

15 = 40 + c

15 - 40 = c

c = -25

therefore,

y = 4x - 25 (ans)

hope this helps :)))

4 0
2 years ago
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