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zimovet [89]
2 years ago
12

**BRAINLY** HELP NEEDED ASAP

Mathematics
1 answer:
forsale [732]2 years ago
7 0

Step-by-step explanation:

increase in Tyler's pay = 16 - 14 = 2

% increase in Tyler's pay = 2/14 × 100 = 14.3%

Increase in Allies' pay = 18 - 16 = 2

% increase in Allies'pay = 2/16 × 100 = 12.5%

hence the right option is:

3).The percent increase Tyler's pay rate is greater than Allies'.

Increase in Martin's pay = 15.00 - 13.50 = 1.50

% increase in Martin's pay = 1.50/13.50 = 11.1%

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x=4

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2 years ago
The length of a rectangle is three inches more than the width. the area of the rectangle is 180 inches. find the width of the re
ch4aika [34]

We have a rectangle with length L that is 3 inches more than the width W. Then we can write this as:

L=W+3

The area of the rectangle is 180 square inches.

We have to find the width W.

As the area is equal to the product of the length and the width, we can write this equation and solve for W as:

\begin{gathered} A=180 \\ L\cdot W=180 \\ (W+3)\cdot W=180 \\ W^2+3W=180 \\ W^2+3W-180=0 \end{gathered}

We have a quadratic equation. The roots of this equation will be the mathematical solutions.

We can find the roots using the quadratic formula:

\begin{gathered} W=\frac{-b\pm\sqrt[]{b^2-4ac}}{2a} \\ W=\frac{-3\pm\sqrt[]{3^2-4\cdot1\cdot(-180)}}{2\cdot1} \\ W=\frac{-3\pm\sqrt[]{9+720}}{2} \\ W=\frac{-3\pm\sqrt[]{729}}{2} \\ W=\frac{-3\pm27}{2} \\ W_1=\frac{-3-27}{2}=-\frac{30}{2}=-15 \\ W_2=\frac{-3+27}{2}=\frac{24}{2}=12 \end{gathered}

The solutions are W = -15 and W = 12.

The first one is not valid, as W has to be greater than 0.

Then, the solution to our problem is W = 12 in.

Answer: the width is W = 12 inches.

6 0
1 year ago
What is the next fraction in this sequence? Simplify your answer.
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8 0
3 years ago
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Describe the error in the work shown below.
vlabodo [156]
The factor that multiplies with 6 to get 18 is 3 but the factor that multiplies with 6 to get 30 is 5.
The numbers in parenthesis should be a 5 and not a 10.
18 + 30 = 6(3 + 5)
3 0
2 years ago
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