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Sveta_85 [38]
3 years ago
15

Question is in the picture

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
6 0

Answer:

y = 2x - 7

Step-by-step explanation:

When x is equal to 0, then the y value is your y-intercept. So, your y-intercept is -7.

Now, pick two points. Let's pick (-1,-9) and (0,-7). We can add these into the slope formula.

Slope(m)=\frac{y2-y1}{x2-x1}

m=\frac{-7-(-9)}{0-(-1)}

m=\frac{2}{1}

m=2

Now, we can use the slope and the y-intercept and put them into a slope-intercept equation.

y=mx+b

y=2x-7

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How do you use proportions to solve percent problems​
exis [7]

Answer:

Step-by-step explanation:

EXAMPLE #1:

What number is 75% of 4?   (or   Find 75% of 4.)

The PERCENT always goes over 100.

   (It's a part of the whole 100%.)

4 appears with the word of:

   It's the WHOLE and goes on the bottom.

A proportion showing one fraction  with PART as the numerator and 4 as the denominator equal to another fraction with 75 as the numerator and 100 as the denominator.

We're trying to find the missing PART (on the top).

In a proportion the cross-products are equal:   So 4 times 75 is equal to 100 times the PART.

The missing PART equals 4 times 75 divided by 100.

(Multiply the two opposite corners with numbers; then divide by the other number.)

4 times 75 = 100 times the part

300 = 100 times the part

300/100 = 100/100 times the part

3 =   the part

A proportion showing the denominator,  4, times the diagonally opposite 75; divided by  100.

7 0
2 years ago
What is 1.3+(-2.4)<br> enter your answer, as a decimal.
4vir4ik [10]
-1.1 should be the right answer
6 0
3 years ago
Read 2 more answers
How to solve 46=5k-59. what is k?
snow_lady [41]
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4 0
2 years ago
a bag contains 10 white balls and 14 red balls.a ball is taken out of the bag,what is the probability that it is a red ball​
Anit [1.1K]

Answer:

7/12

Step-by-step explanation:

Total = 10W+14R

probability of red = R/total

10+14 = 24 so total = 24

R = 14

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reduce (divide by two on the top and bottom)

14/2

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3 0
3 years ago
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joja [24]

Answer:

b = 2

Step-by-step explanation:

3b1b-8 = 4

       +8  +8

3b1b = 12

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/3          /3

b^2 = 4

\sqrt{b^2}   \sqrt{4}

b = 2

6 0
3 years ago
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