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7nadin3 [17]
1 year ago
13

Last year at a certain high school, there were 75 boys on the honor roll and 50 girls on the honor roll. This year, the number o

f boys on the honor roll decreased by 24% and the number of girls on the honor roll decreased by 14%. By what percentage did the total number of students on the honor roll decrease? round your answer to the nearest tenth (if necessary).
Mathematics
1 answer:
Fantom [35]1 year ago
8 0

In linear equation, 15.2% did the total number of students on the honor roll decrease.

What in mathematics is a linear equation?

  • A linear equation is a first-order (linear) term plus a constant in the algebraic form y=mx+b, where m is the slope and b is the y-intercept.
  • Sometimes, the aforementioned is referred to as a "linear equation of two variables," where x and y are the variables.

50 × 24% = 12

50 × 14%= 7

12+ 7 = 19

50+75 = 125

19 ÷125= 15.2%

Learn more about linear equation

brainly.com/question/11897796

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For this question I need to find 80% of 20
Ipatiy [6.2K]

Answer:

16

Step-by-step explanation:

.8 x 20 =16

7 0
2 years ago
Find the measure of the arc or central angle indicated. Assume that lines which appear to be diameters are actual diameters.
vfiekz [6]

The measure of the Central Angle indicated is; 45°

<h3>How to find the central angle of a circle?</h3>

The central angle will be the angle subtended at the center by arc FE and arc CB.

Now, we see that angle ∠FOB = 135° and since we know that sum of angles on a straight line is 180°, then we can say that;

Central Angle = 180° - 135° = 45°

Angle subtended by Arc CD at the center is;

θ = 180 - (81 + 45)

θ = 54°

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8 0
2 years ago
Tell if the ordered pair is a solution of the system of inequalities.
ale4655 [162]

Answer:

top one yes, bottom one no

Step-by-step explanation:

3 0
3 years ago
jesse had a balance of 1200 on a credit card with an APR of 18.7% compounded monthly. About how much will he save in interest ov
igor_vitrenko [27]

Jesse saved about $85.77 in interest over the course of a year if he transfer from one credit card to another.

<h3>What is the interest accrued on savings?</h3>

The interest accrued on saving is the interest gained on saving or investment over a period of time.

ar

The amount of money saved in interest by Jesse over a period of 12 months provided that the transferred his balance to a credit card is calculated as follows:

Amount saved = \mathbf{P_x(1 + \dfrac{r}{P_x})^{12}-P_y(1 + \dfrac{r}{P_y})^{12}}

Amount saved = \mathbf{1200(1 + \dfrac{18.7}{1200})^{12} - 1200(1 + \dfrac{12.5}{1200})^{12}}

Amount saved = $85.768

Amount saved = $85.77

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5 0
1 year ago
it takes 20 pounds of seed to completely plant a 3-acre field. How many pounds of seed are needed per acre?
lianna [129]

Answer:

it will take 6.666667 acres

Step-by-step explanation:

so you do 20/3 and you need to find the unit rate so

20/3 = 6.6667/1

hopefully this helps

4 0
2 years ago
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