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3 years ago

What percent of 49.2 is 25.83

1 answer:

6 0

The eqaution i use for this is:
$\frac{is}{of} = \frac{x}{100}$

$\frac{25.83}{49.5} = \frac{x}{100}$ (cross multiply)
(25.83)(100) = (x)(49.5) (multipy)
2583 = 49.5x (divide by 49.5 on both sides)
52.181818182 = x

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The first discount on a camera was 18%. The second discount was 20%. After these two discounts the price was $328. What was the

Artyom0805 [142]

Answer:

$500

Step-by-step explanation:

We can find the original price of the camera through a proportion. A proportion is an equation where two ratios or fractions are equal. The ratios or fractions compare like quantities.

<u>Second Discount</u>

20% off means we paid 80%. We know we paid $328 of some price.

$\frac{80}{100} =\frac{328}{y}$

I can now cross-multiply by multiplying numerator and denominator from each ratio.

$80y=100(328)\\80y=32800$

I now solve for y by dividing by 80.

$\frac{80y}{80} =\frac{32800}{80} \\y= $410$

The price after the first discount was $410.

<u>First Discount</u>

We will repeat the steps above with $410. 18% off means we paid 82%.

$\frac{82}{100} =\frac{410}{y}$

I can now cross-multiply by multiplying numerator and denominator from each ratio.

$82y=100(410)\\82y=41000$

I now solve for y by dividing by 82.

$\frac{82y}{82} =\frac{41000}{82} \\y= $500$

The original price was $500.

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3 years ago

(10.01 MC) Marko is playing the video game Fort Attack. The purpose of the game is to shoot invading bandits that are trying to

rusak2 [61]

Angle of fire in degrees = 90 + 30 =120 degrees

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2 years ago

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As part of a research project on student debt at TWU, a researcher interviewed a sample of 35 students that were chosen at rando

Inga [223]

Answer:

Option a is right

Step-by-step explanation:

Given that as part of a research project on student debt at TWU, a researcher interviewed a sample of 35 students that were chosen at random concerning their monthly credit card balance.

Sample average = 2573

Variance = 4252

Sample size = 35

STd deviation of X = $\sqrt{4252} \\=65.21$

Score of student selected at random X=1700

Corresponding Z score = $\frac{1700-2573}{65.201} \\=-13.38$

Rounding of we get Z score = -13.4

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3 years ago

What are the values of x and y if you answer is not a whole number write it as a decimal and round if neccasasry

den301095 [7]

a) 3x + 5y = 26

b) 2x + 2y = 12

First, we need to find a way to equate either the x terms or the y terms in each equation. a) 6x + 10y = 52

b) 6x + 6y = 36

Then take equation b) from the equation a) to eliminate the x component.

a) 6x + 10y = 52

- b) 6x + 6y = 36

0x + 4y = 16

y = 4 ?

Then substitute the value of y into either equation to find the value of x.

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2 years ago

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ahrayia [7]

Answer:

Step-by-step explanation:

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