2 years ago

Guys please help me!!

Mathematics

1 answer:

Lerok [7]2 years ago

5 0

Answer: this was a mistake, misclick

Step-by-step explanation:

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Maria cannot remember what she scored on the second test, but she knows that the sum of the three tests is 270. Write and solve

kati45 [8]

88x+92=+270 solve the inequality

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2 years ago

How much has the value of y changed between the points (-8, 4) and (8, -4)?

Goryan [66]

Answer:

The answer is I think B

Step-by-step explanation:

I just took the test

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2 years ago

Help with the problem in picture

Flauer [41]

Answer:

The slope of a line is a measure of its steepness. Mathematically, slope is calculated as "rise over run" (change in y divided by change in x).

Step-by-step explanation:

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1 year ago

Julio and David were in Target and decided to check out the clearance section. They found pencils and erasers that were on sale

Sati [7]

Answer:

Cost of one pencil: $\$0.07$

Cost of one eraser: $\$0.03$

Step-by-step explanation:

Let be "p" the cost in dollars of one pencil and "e" the cost in dollars of one eraser.

Based on the information given in the exercise, you can set up the following system of equations:

$\left \{ {{4p+3e=0.37} \atop {3p+4e=0.33 }} \right.$

You can use the Elimination Method to solve the system of equations.

Multiply the first equation by -3 ad the second one by 4. Then add the equations and solve for "e":

{ $\left \{ {{-12p-9e=-1.11} \atop {12p+16e=1.32}} \right.\\..........................\\7e=0.21\\\\e=0.03$

Substitute the value of "e" into any original equation and solve for "p":

$4p+3(0.03)=0.37\\\\p=\frac{0.28}{4}\\\\p=0.07$

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2 years ago

The problems in the picture

yarga [219]

Answer: a :)

Explanation:

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2 years ago