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2 years ago

Y'all please help me! Basically just match up the points with an equation.

Mathematics

1 answer:

Len [333]2 years ago

4 0

1. Y=-1/2x+1/2
2.Y=-2x-8
3.Y=-3/2x+2
4. Y=-4x-16
5.Y=-4/7x+2

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-28 = -7(3x + 4) +21x

Vlada [557]

Answer:

1 Expandir.

-28=-21x-28+21x

−28=−21x−28+21x

2 Simplifica -21x-28+21x−21x−28+21x a -28−28.

-28=-28

−28=−28

3 Ya que ambos lados son iguales, hay infinitas soluciones.

Soluciones Infinitas

Step-by-step explanation:

7 0

3 years ago

What is the unit rate for 5 notebooks that cost $9.45

harkovskaia [24]

Divide $9.45 into 5 yr answer would be $1.89 per notebook

3 0

3 years ago

WILL GIVE U BRAIN IF UR SMART ENOUGH TO ANSWER AND FREE 75 PTS

atroni [7]

Answer:

x = 96

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

In the 2014 - 2015 school year, the mean score on the critical reading of the SAT was 490 with a standard deviation of 102 for j

bonufazy [111]

<u>Answer:</u>

The Ranking Percentile is (B) 97.5%

<u>Explanation :</u>

To find the percentile rank we need to find the z- score. After finding the z-score match this value with the corresponding value in z-score table.

Formula to find the z-score

Z-score= $\frac{\text { scored obtained - mean }(\mu)}{\text { standard deviation }(\sigma)}$

Substituting the values in the above equation, we find

Z-score= $\frac{(694-490)}{102}$ =2

So, the Z-score is +2

Now, the corresponding value of Z-score 2 in the table is 0.9772

or the percentile score is 97.72 ~ 97.5 .

3 0

3 years ago

At julies fabric store a yard of chiffon fabric cost 7.85. lee plans to purchase 0.8 yard for a craft project if lee gives the c

Oksanka [162]

$7.85 x .8 yards=$6.28.

$10-$6.28=$3.72 change back

4 0

3 years ago