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2 years ago

Change each phrase into an algebraic expression

Mathematics

1 answer:

maks197457 [2]2 years ago

3 0

Answer:

When translating phrases into algebraic expressions, you need to identify keywords and phrases which specifically refer to a mathematical operation (addition, subtraction, multiplication, and division). Usually, you can write out the algebraic expression of the verbal description in the order that it is said

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What is the percent of increase from 106 miles to 122 miles?

Elis [28]

Answer:

15.094 %

Step-by-step explanation:

[(122 - 106) /106] 100

(16/106) 100

(0.15094)x100

15.094

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3 years ago

Find the measure of angle a

balu736 [363]

The answer is C. Thats the measure

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3 years ago

How many lines of symmetry does the picture have?<br> A. 3<br> B. 2<br> C. 1<br> D. 0

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2 years ago

Will give you brainiest

BabaBlast [244]

Answer:

$\boxed{$

Step-by-step explanation:

A) If AB is a diameter, Then ACB is a 90 degrees angle because In a semi-circle (AB is a diameter which divides the circle into 2 equal parts), the angle opposite to the diameter is of 90 degrees.

So, <ACB = 90 degrees

Then <a = 180-90-28

=> <a = 62 degrees

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3 0

3 years ago

To determine whether they need to hire extra help for the holiday season, the managers of a railroad company want to estimate ho

nadezda [96]

Answer:

Step-by-step explanation:

Data provided in the question:

Standard error = 1.5 minutes ( ∵ number are repetitive 1.51.5 )

Standard deviation = 9 minutes ( ∵ number are repetitive 99 )

Now,

Standard error = ( Standard deviation ) ÷ √n

Here,

n is the sample size

Therefore,

on substituting the respective values, we get

1.5 = 9 ÷ √n

√n = 9 ÷ 1.5

√n = 6

n = 6² = 36

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3 years ago