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Contact [7]
2 years ago
15

20 POINTS Part E How many of the 320 million Americans would you predict wear glasses?

Mathematics
1 answer:
Mkey [24]2 years ago
3 0
About 164 million U.S. adults
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the sum of twice a number and 15 less than the number is the same as the difference between-7 and the number. what is the number
Nuetrik [128]

Let's say, the number is x.

2x + 15 ≤ (-7 - x )

2x + x ≤ -7 - 15

3x ≤ -23

x ≤ -23 / 3

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3 years ago
Pls pls help I don’t have time HELP ASAP. It also detects if it’s right or wrong.
faltersainse [42]

Answer

3.3

Step-by-step explanation:

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3 years ago
21/49 in lowest terms
noname [10]
21/49 in lowest terms

1) To make a fraction in lowest terms you have to divide by the greatest common factor. 

The GCF of 21 and 49 is 7 

2) Simplify Fraction 

Divide the numerator and denominator by 7 

21 ÷ 7 = 3
 49 ÷ 7 = 7

21/49 in lowest terms is 3/7
5 0
3 years ago
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FIND the value of x. DO NOT POST ANY FILES
spayn [35]

Answer:

Step-by-step explanation:

The tangent segment is perpendicular to the diameter, so the triangle is a right triangle (not just based on its appearance).  A property of circles is:  a tangent is perpendicular to the radius drawn to the point of tangency.

In the right triangle, one leg has length 12.6, and the hypotenuse has length 21.

Apply the Pythagorean Theorem:  (leg)^2 + (leg)^2 = (hypotenuse)^2

Oh, and the diameter has length 2x!

(2x)^2+12.6^2=21^2\\\\4x^2+158.76=441\\\\4x^2=282.24\\\\x^2=70.56\\\\x=\sqrt{70.56}\\\\x=8.4

7 0
3 years ago
Someone plz help me giving brainliest (plz show your work)
sweet [91]

Answer:

2 1/6

Step-by-step explanation:

3 ÷ 2 = 1 1/2

1 1/2 + 2/3 = 2 1/6

<h3>Hope this Helps!</h3>

:)

5 0
3 years ago
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