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3 years ago

Mark mows lawns for 2.25 an hour if he spends 7 hours mowing lawns during one weekend how much money will he earn

Mathematics

1 answer:

Helga [31]3 years ago

8 0

Answer:

15.75 i thank

Step-by-step explanation:

bc multiply 2.25 x 7 = 15.75

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Tony spent $60.54 and bought 3 packs of notebooks and a calculator. How much does a pack of notebooks cost if a calculator costs

Cerrena [4.2K]

Let the price of a notebook = X.

Multiply the cost of a notebook by the quantity, so you get 3x.

Add that to the price of a calculator to get the total spent:

60.54 = 45.87 + 3x

Now solve for x:

Subtract the cost of the calculator from both sides:

3x = 14.67

Divide both sides by 3:

x = 14.67 / 3

x = 4.89

A notebook cost $4.89

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4 years ago

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a taxi cab in myrtle beach charges $2 per mile and $1 for every person. if a taxi cab ride for two people cost $12, how far did

Fiesta28 [93]

Answer:

5 miles

Step-by-step explanation:

If there is 2 people and it costs 12 dollars you will first subtract 2 dolars for each person leaving you with 10 dollars. After that you will divide 10 by 2 for the miles because each mile costs 2 bucks. that will get you to 5 miles

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4 years ago

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Consider the equation 3a+0.1n=123. If we solve this equation for n, which equation would result? A. 0.1n=123-3a B. N=123-3a-0.1

neonofarm [45]

Answer:

n = (123 - 3a) / 0.1

Step-by-step explanation:

Given:

3a + 0.1n = 123

Solve for n

3a + 0.1n = 123

Subtract 3a from both sides

3a + 0.1n - 3a = 123 - 3a

0.1n = 123 - 3a

Divide both sides by 0.1

n = (123 - 3a) / 0.1

The resulting equation if 3a + 0.1n = 123 is solved for n is n = (123 - 3a) / 0.1

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3 years ago

HELP ASAP!!

Tresset [83]

By definition, two angles are supplementary if the sum of them is 180 degrees. In this case (see figure attached with the answer) the line AD is transversal to lines AB and DC. This is a proof of the Same-side interior angle theorem.

This theorem states that if we have two lines that are parallel and we intercept those two lines with a line that is transversal to both, same-side interior angles are formed, and also sum 180º, in other words, they are supplementary angles.

Then:

By the definition of a parallelogram, AB∥DC. AD is a transversal between these sides, so ∠A and ∠D are same-side interior angles. Because AB and DC are parallel, the same-side interior angles must be supplementary by the same-side interior angles theorem. Therefore, ∠A and ∠D are supplementary.

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3 years ago

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Which linear inequality is represented by the graph?

ELEN [110]

Where is the graph?

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3 years ago