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steposvetlana [31]
3 years ago
5

NO ONE CAN SOLVE THIS, NEITHER CAN YOU :::By what percent will a fraction change if its numerator is decreased by 10% and its de

nominator is decreased by 70%?
SAT
2 answers:
Veseljchak [2.6K]3 years ago
8 0

Answer:

9/5

Explanation:

original fraction : x/y

new fraction = .9x/(.5y)

= 9x/5y

(9x/5y) / (x/y)

= 9x/5y * y/x

= 9/5

= 1.8

so it increased by 80%

e.g suppose we had 100/200 or 1/2

new fraction = 90/100 or 9/10

new ratio = (9/10) / (1/2)

= 9/5

pickupchik [31]3 years ago
6 0

Suppose that we have a fraction. Let use 10/10 for example. Let do the transformation and see what happens to the fraction.

10/10 ----> 9/3

The number changed from 1 (10/10) to 3 (9/3).

The fraction increases by 200%.

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Marysya12 [62]
Coal: N
Gold: N
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Petroleum: N
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hope this helps, and sorry if some of these are incorrect:)
6 0
3 years ago
Read 2 more answers
find the area under the standard normal curve that lies outside the interval between z=-2.73and z=-1.39
Natasha_Volkova [10]

Answer:

0.9209

Explanation:

For a  normally distributed random variable,  the only way to find areas is using the z score. The z score is given by the equation:

z=\frac{x-\mu}{\sigma}

Where μ is the mean, σ is the standard deviation and x is the raw score to be measured.

The area under the standard normal curve that lies between the interval z=-2.73 and z=-1.39

From the z table, Area between -2.73 and -1.39 = P(z < -1.39) - P(z < -2.73) = 0.0823 - 0.0032 = 0.0791

Since the Area between -2.73 and -1.39 is 0.0791, the are outside the interval = 1 - 0.0791 = 0.9209

4 0
3 years ago
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Ivahew [28]
Smooth like butter, like a criminal undercover
Gon' pop like trouble breaking into your heart like that
8 0
2 years ago
How do governments borrow money?
Murrr4er [49]

Answer:

The government borrows money by selling bonds. A government bond is a debt security issued by a government to support government spending.

Explanation:

Hope this helps!!!

6 0
2 years ago
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About how many people had viewed the video once it had been online for 20 days? 190 858 6,271 86,460
aev [14]

About  6,271 people had viewed the video once it had been online for 20 days. The correct option is C.

<h3>What is exponential equation?</h3>

Exponential equation is the equation in which the exponent or part of exponents used as variables.

fx = 33 \times (1.3)^x

where, x is the number of days, given that x = 20

Putting the values in the equation

f\times 20 = 33 \times (1.3)^2^0 = 6,271 \;days

Thus, the correct option is C, 6,271.

Learn more about exponential equation

brainly.com/question/23729449

#SPJ1

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2 years ago
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