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Crank
3 years ago
14

Given: 3x + 1 = -14; Prove: x = -5 Statements

Mathematics
1 answer:
WINSTONCH [101]3 years ago
4 0

Step-by-step explanation:

3x + 1 = -14

3x = -14 - 1

3x = -15

x= -15÷3

x= -5

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<u>Given</u>:

Given that the parallelogram with the lengths 5x, 3x + 1, 2y - 5 and y.

We need to determine the values of x and y.

<u>Values of x and y:</u>

We know the property that the opposite sides of a parallelogram are congruent.

Thus, we have;

5x=2y-5 ------- (1)

3x+1=y  ------- (2)

The value of x and y can be determined using the substitution method.

Substituting equation (2) in equation (1), we have;

5x=2(3x+1)-5

5x=6x+2-5

5x=6x-3

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Thus, the value of x is 3.

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3 years ago
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natulia [17]

Answer:

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Step-by-step explanation:

Make them into improper fractions first.

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Then convert back into a mixed number.

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Andrea has a goal of running at least 50 miles this month. She has already run 7 miles. How many miles does Andrea need to run e
Nuetrik [128]

Answer:

At least 1.72 miles per day.

Step-by-step explanation:

Given: Goal of running is at least 50 miles in a month.

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As given, Andrea have already run 7 miles.

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Days remaining this month is 25.

Now, finding miles need to run each day to meet her goal.

Miles need to run each day= \frac{remaining\ miles}{remaining\ days}

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∴ Andrea need to run at least 1.72 miles to meet her goal this month.

           

8 0
3 years ago
-17=x- 15 one step equation
mina [271]

Answer:

-2=x

Step-by-step explanation:

-17=x-15

Add 15 on both sides

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3 years ago
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