2 years ago

Find the slope of the line in the graph.

Mathematics

1 answer:

hram777 [196]2 years ago

6 0

Answer: m = -2

Step-by-step explanation: To get from one point to the next along this line,

we must first go down 2 units so we say that our rise is -2.

From there we move 1 unit to the left so our run is 1.

So our slope or rise over run is -2/1 or -2.

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In scientific notation, the number 39,940,000,000 becomes A. 3.994 × 1010. B. 3.994 × 10–10. C. 39.94 × 109. D. 3994 × 107.

IRINA_888 [86]

you need to move the decimal 10 places to the left to get it between the 3 and 9

so it would be 3.994 x 10^10

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3 years ago

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Which equation is represented by the phrase “one-fourth of a number, increased by eight equals sixteen”?

Alexandra [31]

(1/4)x + 8 = 16

or...
(x/4) + 8 = 16

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3 years ago

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Find a solution to the system. Make sure to write as a coordinate.

RUDIKE [14]

Answer:

x=2, y=3

Step-by-step explanation:

This is a system of equations.

To solve a system of equations, we use the substitution method.

We can plug in the first equation, $x=2y-4$ , into the value for x in the second equation. Now, the second equation looks like this:

$2*(2y-4)+y=7$

We simplify and solve for y:

→ $4y-8+y=7$

→ $5y=15$

→ $y=3$

Now, we plug in the value for y, which is 3, into either equation. I will just use the first equation:

→ $x=2*3-4$

→ $x = 2$

Let me know if my explanation is unclear.

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2 years ago

Which sequences are geometric? Check all that apply.

IRISSAK [1]

There are no options, but I would assume that these sequences would be geometric: 16, -8, 4, -2, 1 -15, -18, -21.6, -25.92, -31.104, 625, 125, 25, 5, 1 can possibly be the correct ones.

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2 years ago

A 12-foot ladder leans against the wall makes an angle of 62.87 degrees with the ground. How high up the wall does the ladder re

Alex

Answer:

10.68 ft

Step-by-step explanation:

sin(62.87)=x/12

12sin(62.87)

=10.68 ft

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2 years ago