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yawa3891 [41]
2 years ago
7

What is the principal solution to the equation?

Mathematics
1 answer:
ikadub [295]2 years ago
6 0
First step: x= ± √ 121
Second step and correct answer: x= ± 11

Because: x^2 = x= ± √
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The table below shows the educational attainment of a country's population, aged 25 and over. Use the data in the table, express
Aloiza [94]

Answer:

The answer is "\bold{\frac{22}{171}}"

Step-by-step explanation:

There are 22 million males that have completed four years of undergraduate, according to the data below: (or more). This is predicated on a population of 171 million.

The chances we're searching about \frac{(22\ million)}{(171\ million)} = \frac{22}{171}

however

This proportion could be further reduced because 22 and 171 have no common features (other than 1).

3 0
3 years ago
Solve for x 0°&lt;x&lt;360<br>3cos2x +sinx=1​
BartSMP [9]

Step-by-step explanation:

3cos2x +sinx=1

3(1-2sin²x)+sinx=1

3-6sin²x+sinx=1

sinx(-6sinx+1)=1

either

sinx=1

sinx=sin(90)

:.x=90

or

-6sinx+1=1

-6sinx=1-1

sinx=0/-6

sinx=sin0,sin180

:.x=0,180and90

8 0
3 years ago
Janet had 3/5 yd of material. she used 1/3 of it for a hat. How much material did she use? explain how you got your answer.
9966 [12]

Answer:

Think of the total as 1/5 + 1/5 + 1/5 = 3/5

You have THREE fifths of material.

You use ONE of those fifths.

That leaves you with TWO fifths.

Step-by-step explanation:

8 0
3 years ago
Area of the plane figure
Viefleur [7K]

Answer:

Area = 16.8 * 7 / 2 = 58.8 ft2

Step-by-step explanation:

Have

18.2^2 = 7^2 + a^2

-> a^2 = 18.2^2 - 7^2

-> a^2 = 282.24

-> a = 16.8

Area = 16.8 * 7 / 2 = 58.8 ft2

3 0
3 years ago
Given f(x)=2/5(6-x)^2 what is the value of f(6)?​
bulgar [2K]

Answer:

0

Step-by-step explanation:

f(x) = 2/5(6 - x)²

f(6) = 2/5[6 - (6)]²

f(6) = 2/5(0)²

f(6) = 0

5 0
3 years ago
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