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patriot [66]
3 years ago
9

Apply the distribution to solve

Mathematics
1 answer:
Viefleur [7K]3 years ago
8 0

Answer:

4(5+k)

Step-by-step explanation:

20+4k


20 = 2*10  = 2* 2*5

4k = 2*2*k

The common factors are 2*2  = 4

We can factor out a 4

What is left over is inside the parentheses

4(5+k)

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Which equation represents the graph of y= cosx reflected across the x-axis then shifted vertically down by 2 units?
Phoenix [80]

Answer:

  y = -cos(x) -2

Step-by-step explanation:

Multiplying the function value by -1 reflects it across the x-axis. Adding -2 to the function value shifts it down by two units.

reflected: y = -cos(x)

then shifted: y = -cos(x) -2

6 0
3 years ago
(-4,1) and (-8,7) <br><br> write an equation in slope-intercept form
Alchen [17]

Answer:

y = -2x - 9

Step-by-step explanation:

so we have our two points, (-4,-1) and (-8,7) What we need to do to find our slope is y2 - y1 over x2 - x1. Once plugging in the numbers and subtracting it should give you 8/-4. 8 divided by -4 is -2. m = -2. Now to find our "b" we plug in our slope, and plug in one of the two points into the format of y = mx + b.

-1 = -2(-4) + b

multiply -2 and -4

-1 = 8 + b

we subtract 8 from itself and -1

-9 = b

Our equation is y = -2x - 9

5 0
3 years ago
Describe how to multiply a number by a power of 10
aev [14]
When multiplying a number by the power of 10, you are multiplying that number by itself 10 times. EX: 5^10 = 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5
6 0
3 years ago
Help...Help...Severe case of bordom........Ill give brainliest
Contact [7]

Answer:

1

Step-by-step explanation:

1+1+1+1+11+1+1+1+11+1×0+1

30×0+1, Anything multiplied by 0 is 0

0+1

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3 0
3 years ago
Read 2 more answers
Please answer correctly<br><br> 2 + 3( 4x + 5) = -53
andre [41]

Answer:

x=-35/6

Step-by-step explanation:

2 + 3( 4x + 5) = -53

subtract 2 from both sides= 3(4x+5)=-55

divide both sides by 3 = 4x+5=-55/3

subtract both sides by 5 = 4x=-70/3

divide both sides by 4 = x=-35/6

x=-35/6 is your final answer

4 0
2 years ago
Read 2 more answers
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