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3 years ago

4 questions. Please help.

Mathematics

1 answer:

Vladimir [108]3 years ago

4 0

Dont u think their should be more points for 4 hard questions

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A shoe store uses a 60% markup for all of the shoes it sells. What would be the selling price of a pair of shoes that has a who

zhenek [66]

Answer:

I think it would be $81.60

Step-by-step explanation:

6 0

3 years ago

Lily invested $750 in a savings account and earned $225 in interest at the end of 5 years.

Georgia [21]

Your answer is 6%
because 6% =0.06 x 750 =45
45x 5 (years)=225

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3 years ago

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Michael found a jake at the bank he said that he went there every 45 days and Michael says he went every 30 days .when will they

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They will see each other every 30 days but won't every 15 days

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4 years ago

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Find the volume......

shepuryov [24]

Answer:

4312cm³

Step-by-step explanation:

volume of a prism = length×width×height

=22×14×14

=4312cm³

7 0

3 years ago

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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