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4 years ago

What is the unit rate 2y=9x

Mathematics

2 answers:

alisha [4.7K]4 years ago

7 0

Your answer is y=9/2x becuase divide both sides by 2

givi [52]4 years ago

5 0

9/2 that the answer ok ok

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Simplify the expression 224,000 X 0.00021 using scientific notation and express your answer in scientific notation.

Marizza181 [45]

Answer:4.704×10^1

Step-by-step explanation:

To simplify 224000×0.00021 in scientific notation

We get

224000×0.00021

47.04

4.704×10^1

4 0

4 years ago

Which is a compsite number

andriy [413]

Answer:

a number yat has more than 2 multiples

8 0

4 years ago

Trigonometry help?? Thank you so much!!

liq [111]

Answer:

7) a = 60; b = 100

8) c = 20

9) d = 45

Step-by-step explanation:

a + 120 = 180

a = 60

b + 80 = 180

b = 100

5c + 4c = 180

9c = 180

c = 20

3d + d = 180

4d = 180

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6 0

3 years ago

What are three numbers that are greater than 543,000 but less than 544,000

Bumek [7]

543,356 and 543,456 so it is pretty simple right

8 0

3 years ago

What is the distance between the points (21 , 13) and (3 , 13) in the coordinate plane?

Oxana [17]

Answer:

$\displaystyle d = 18$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinates (x, y)

Algebra II

Distance Formula: $\displaystyle d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Step-by-step explanation:

Step 1: Define

Identify

Point (21, 13)

Point (3, 13)

Step 2: Find distance d

Simply plug in the 2 coordinates into the distance formula to find distance d

Substitute in points [Distance Formula]: $\displaystyle d = \sqrt{(3-21)^2+(13-13)^2}$
[√Radical] (Parenthesis) Subtract: $\displaystyle d = \sqrt{(-18)^2+(0)^2}$
[√Radical] Evaluate exponents: $\displaystyle d = \sqrt{324+0}$
[√Radical] Add: $\displaystyle d = \sqrt{324}$
[√Radical] Evaluate: $\displaystyle d = 18$

5 0

3 years ago