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olga_2 [115]
3 years ago
7

What the answer tonthis question 10x=-4(2x-9)​

Mathematics
1 answer:
mylen [45]3 years ago
7 0

10x = 4(2x -9)

10x = 8x - 36

10x - 8x = -36 - 8x

2x = -36

2x ÷ 2 = -36 ÷ 2

x = -18

If you need a better explanation just as in the comments.

Happy to help! Please mark as BRAINLIEST! Thanks

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What is the approximate area of a circle with a raduis of 15
gayaneshka [121]

The area of the circle is 706. 5 square units

<h3>What is the area?</h3>

The formula for area of a circle is expressed as;

Area = πr^2

From the information given ,we have that the radius of the circle is 15

Now, let's substitute the value of the radius into the formula;

Area = 3. 14 × 15^2

Area = 3. 14 × 15 × 15

Find the square

Area = 3. 14 × 225

Multiply through

Area = 706. 5 square units

Thus, the area of the circle is 706. 5 square units

Learn more about circles here:

brainly.com/question/24375372

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7 0
1 year ago
Keisha is reading a 325-page book at a rate of 25 pages per day. Use a point-slope equation to determine
GuDViN [60]
To determine whether Keisha will be able to finish reading the book in 10 days, establish first the point-slope form of the scenario.

If we let y be the number of pages in a book and x be the number of days the slope-intercept form is as follows:
    y = 25x

To determine the value of x if y is equal to 325,
   325 = (25)(x) 

    x = 325/25
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Since the value of x is greater than 10 then, Keisha will not be able to finish reading the book. 
4 0
3 years ago
What is the answer to the last question
egoroff_w [7]

Answer:

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Step-by-step explanation:

3 0
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The slope intercept form of (-4, 8) and (9, 8)
Black_prince [1.1K]

Step 1: Find the slope

(y-y)/(x-x) = (8-8)/(9+4) = 0

Step 2: Substitute into the slope intercept equation

y - y = m(x - x)

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If the problem just wants plain, slope intercept form, then this is your answer.

If not, y = 8

3 0
3 years ago
Simplify 2[(9 - 5)^5 / 8]
Alenkinab [10]
2[(9 - 5)^5/8] = 2[4^5/8] = 2[1024/8] = 2[128] = 256
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3 years ago
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