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Charra [1.4K]
3 years ago
14

What is the situation to 4x^2-25=07

Mathematics
2 answers:
olya-2409 [2.1K]3 years ago
8 0

Answer:

x = 2.83

Step-by-step explanation:

gogolik [260]3 years ago
6 0

Answer:

<u>x=2√2      or      x=−2√2</u>

<u> ^^Both are correct.^^</u>

Step-by-step explanation:

Let's solve your equation step-by-step.

4x^2−25=7

Step 1: Add 25 to both sides.

4x^2−25+25=7+25

4x^2=32

Step 2: Divide both sides by 4.

4x2 /4 = 32 /4

x^2=8

Step 3: Take square root.

x=±√8

<u>x=2√2 or x=−2√2</u>

<u />

brainliest please?

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Based o the sample results what percent of the opulation prefers reading a hard copy i fht e digital copy is 4, the hard copy is
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Based on the sample results of the population the percentage of population that  prefers reading a hard copy i fht e digital copy is 4, the hard copy is 21 and n equas 25 is 84%

Step-by-step explanation:

From the above question  we know that .

<u>Total number of population, n = 25</u>

Number of people who prefer to read a digital copy = 4

Number of people who prefer to read a hard copy = 21

As per the question we need to  find out the percentage  of population who prefer to read hard copy.

So we use the formula

<u>Percent of population preferring hard copy = Hard copy/Total*100</u>

<u></u>

Percent of population that prefers  hard copy = 21/25*100

Percent of population that prefers hard copy = 0.84 × 100 = 84%

<u>So , the percent of population who prefers to read a hard copy are about 84%.</u>

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3 years ago
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jek_recluse [69]
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answer
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I'm not sure if u mean that or this

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