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3 years ago

You needed $110 to buy a new tv for your room so far you have saved 75% of what you need how much money have you saved

Mathematics

1 answer:

netineya [11]3 years ago

3 0

5% = 0.75

110 * 0.75 = 82.50

you saved $82.50

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Answer quickly for 50 points, thank you.

Kaylis [27]

The incorrect answer is B.

All you have to do is plug in x to the formulas and see if the are equal.

4x - 2 = 3x + 6

4(8) - 2 = 3(8) + 6

30 = 30

CORRECT

The second is not only not equal, but it is the wrong kind of formula for what you are trying to prove there.

Hope that helps!

6 0

3 years ago

Read 2 more answers

In politics, marketing, etc. we often want to estimate a percentage or proportion p. One calculation in statistical polling is t

aksik [14]

The absolute value inequality is given as |(p - 0.43)I ≤ 0.019

<h3 />

<h3>How to describe the proportion using the absolute value inequality</h3>

The proportion p = 43% = 0.43

Margin of error = 1.9% = 0.019

The value of the proportion can then be said to lie between

(0.43 - 0.019) ≤ p ≤ (0.43 + 0.019)

In order to convert to the absolute inequality we would be having

-0.019 ≤ (p - 0.43) ≤ 0.019

I (p - 0.43)I ≤ 0.019

Read more on margin of error here

brainly.com/question/24289590

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3 0

2 years ago

0.47=_ hundredths = _tenths and _ hundredths

Gennadij [26K]

7 hundredths 4 tenths

4 0

3 years ago

Read 2 more answers

PLEASE HELP!

meriva

The time taken for the population of the pig to reach 1000 will be almost four years.

<h3>What is a function?</h3>

A function is a statement, rule, or law that establishes the connection between two variables. In mathematics, functions are everywhere and are necessary for constructing physical connections.

Six guinea pigs are released in an area with no natural predators.

The guinea pig population quadruples every year.

Write a function P that represents the guinea pig population at a given time T measured in years.

Then the function will be

$\rm P = 6 (4)^T$

Then the inverse function of P will be

$\rm T = 6 (4)^P\\\\\\P \ln 4 = \ln \left (\dfrac{T}{6} \right )\\\\\\P = \dfrac{\ln (T/6)}{\ln 4}$

Then the time taken for the population of the pig to reach 1000 will be

$\rm 1000 = 6 (4)^T\\\\\\166.667 = 4^T\\\\\\T = 3.69 \\\\\\T \approx 4 \ years$

More about the function link is given below.

brainly.com/question/5245372

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8 0

2 years ago

What is the perimeter of rectangle QRST ?<br> If QR = 5 and RS = 10

vovikov84 [41]

The perimeter of the rectangle is all the side lengths added up

Perimeter = 5 + 10 + 5 + 10 = 30

Hope that helps!

7 0

2 years ago