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2 years ago

5.28 plus -9 step by step

Mathematics

1 answer:

tatuchka [14]2 years ago

7 0

Answer:

-3.72

Step-by-step explanation:

5.58+-9

-9+5=-4

-4+.28=-3.72

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Someone help me solve this or the answer

SOVA2 [1]

Answer:

use this website. It saves lives

https://www.math10.com/en/problem-solver/

Step-by-step explanation:

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2 years ago

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fredd [130]

The answer to that is C.

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2 years ago

What is an equation of the line that passes through the points (-4,1) and (4,4)?

Ray Of Light [21]

Answer:

y = $\frac{3}{8} x + \frac{5}{2}$

Step-by-step explanation:

☆Remember: $m = \frac{y_2 - y_1}{x_2 - x_1}$

☆Remember: Slope-intercept form -> y = mx + b

☆Now. We first need to find the slope.

$m = \frac{4 - 1}{4 - (- 4)} = \frac{3}{8}$

☆Now the y-intercept.

$y = mx + b \\ \\ 4 = \frac{3}{8} (4) + b \\ \\ 4 = \frac{3}{2} + b \\ \frac{ - \frac{ 3}{ 2} = - \frac{ 3}{ 2} \: \: \: \: \: \: \: \: \: \: }{ \frac{5}{2} = b }$

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2 years ago

Solve this system of equations using substitution:

irina [24]

The substitution method means you replace the variable in one equation with the other equation, so your new equation is x+4x-8=10. Add 10 to both sides to get 5x=18. Divide both sides by 5 to get x=3.6. This is a weird equation, but then to get y, work backwords. 3.6 times 2=7.2. 7.2-4=3.2 y=3.2. Finally to finish checking solve the equation as normal. 3.6+6.4=10. I hope this helped! Please give brainliest!
Your final answer is x=3.6 y=3.2

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2 years ago

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ipn [44]

Answer:

459

Step-by-step explanation:

27 x 17= 459

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2 years ago