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3 years ago

Please help!! markup and markdown word problems.

Mathematics

1 answer:

faust18 [17]3 years ago

3 0

Answer:

12, 1260

Step-by-step explanation:

Andrew paid $10 for a burger. The burger had a discount of 20%. This means that the $10 is 80% of the original price.

100% - 80% = 20%

To find the original price, you can multiply by 120%

10 * 120% = 12

Abby Matthews needs to mark up a refrigerator that costs $900 to 140% of the original price. To do this, you can directly multiply.

900 * 140% = 1260

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ryan takes a 30 centimeter by 72 centimeter sheet of paper and cuts from one corner of the paper to diagonally opposite corner.

nikklg [1K]

Answer:

178

Step-by-step explanation:

Use Pythagorean Theorem to find the Hypotenuse

30^2+72^2=78^2

Use perimeter formula

a+b+c

38+72+30

3 0

3 years ago

Read 2 more answers

Could I get some help? QUESTION: This table shows the profit for a company (in millions of dollars) in different years.

Pani-rosa [81]

Answer:

17 million

Step-by-step explanation:

-0.34( $8^{2}$ ) + 4.43(8) + 3.46

-21.76 + 35.44 + 3.46

13.68 + 3.46

17.14

Answer: C 17 million

Have an amazing day!

PLEASE RATE!

7 0

2 years ago

15. 3x – 4y = -1 5x + 2y = 7

never [62]

Answer:

x = 1, y = 1

Step-by-step explanation:

3x - 4y = -1

5x + 2y = 7

If we multiply the whole second equation by 2, we get:

10x + 4y = 14

Adding this to the first equation:

10x + 4y + 3x - 4y = 14 - 1

13x = 13

x = 1

Applying this to the second equation:

5 (1) + 2y = 7

2y = 2

y = 1

8 0

3 years ago

A spherical globe has a diameter of 10 inches. What is the approximate volume of the globe?

adelina 88 [10]

Answer:

523.33 in^3

Step-by-step explanation:

A sphere is a 3-dimensional version of a circle. An example of a sphere is a ball

Volume of a sphere = $\frac{4}{3}$ π $r^{3}$

Where

π = 3.14

r = radius

the diameter is the straight line that passes through the centre of a circle and touches the two edges of the circle.

A radius is half of the diameter

diameter = 2r

Radius = 10 in / 2 = 5 inches

$\frac{4}{3}$ × 3.14 × $5^{3}$ = 523.33 $in^{3}$

6 0

3 years ago

(5x-4)+(5x-4)+(3x+58)=180, what is x

Scorpion4ik [409]

Answer:

x=10

Step-by-step explanation:

1) combine ALL like terms

5x-4+5x-4+3x+58=180

5x+5x+3x=13x

-4-4+58=50

13x+50=180

2) subtract both sides by 50

13x+50-50=180-50

13x=130

divide both sides by "13"

x=10

Hope this Helps!

8 0

3 years ago

Read 2 more answers