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3 years ago

George wants to buy a shirt that costs $69.00. He has a 20% off coupon. How much will

Mathematics

1 answer:

Vesnalui [34]3 years ago

7 0

Answer:

Step-by-step explanation:

the shirt costs $ 69....he has a 20% off coupon

lets find out how much he saves by using the coupon....so we find 20% of $ 69..

20% of 69....turn ur percent to a decimal...." of " means multiply

0.2(69) = $ 13.80 <== what the coupon saved him

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Factorization: X4-64=

sergejj [24]

$x^4 - 64= (x^2) ^2 -8^2\\\\a^2-b^2=(a-b)(a+b)\\\\ x^4 - 64 = \boxed {(x^2-8)(x^2+8)}$

3 0

4 years ago

The average cost per month of a 2-bedroom apartment in Grayson was $625 last year.This year,the average cost is $650.What is the

Ann [662]

The amount increased 4% from last year.

Step-by-step explanation:

Given,

Average cost last year = $625

Average cost this year = $650

Increase amount = Average cost last year - Average cost this year

Increase amount = 650 - 625 = $25

Percent increase = $\frac{Increase\ amount}{Average\ cost\ last\ year}*100$

$Percent\ increase=\frac{25}{625}*100\\Percent\ increase=\frac{2500}{625}\\Percent\ increase=4\%$

The amount increased 4% from last year.

Keywords: percentages, subtraction

Learn more about subtraction at:

#LearnwithBrainly

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3 years ago

Chelsea asked people at her school their favorite color and graphed the results of her survey. Some colors are not on Chelsea's

Masja [62]

Answer:

you're gonna need the graph for an answer but if you can tell me the colors maybe I can answer it.

Step-by-step explanation:

7 0

3 years ago

Help me as soo as possible please, the M in Mbc stands for “angle”

JulijaS [17]

Answer:

Step-by-step explanation:

Given is a picture of circle with angle

BOC =7x-11

Also angle of arc BC = angle BOC = 3x+53

Since both are the same equate the two

$7x-11=3x+534x=64x=16$

Now substitute this x value in any one of 3x+53 or 7x-11

Angle COB = angle BOC = 3x+53

= 48+53 = 101 degrees

-------------------------

To find length of arc

Central angle = 101

Hence arc lengh = $\frac{101}{360} 2(\pi r)\\=2\frac{101}{360}(3.14)(5)\\=8.81$

8 0

3 years ago

Graph the following inequality and then select the correct graph below x + 2 > 1

posledela

Answer:

The graph is attached below.

Step-by-step explanation:

First, we want to isolate the "x" term from the equation. We do this by subtracting "2" from both sides.

This gives us x is greater than -1. So, we can graph:

8 0

3 years ago