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3 years ago

Question Help

Mathematics

1 answer:

Daniel [21]3 years ago

3 0

$\frac{2400}{400} = 6$

each shirt costs $6

$\frac{10 - 6}{6} \times 100 = 66.6666....$

The percent markup is about 66.7%

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The Earth has a diameter

mrs_skeptik [129]

Answer:

L = 24,873.6 miles

Step-by-step explanation:

Length of the Circumference

Given a circle of radius r, the length of the circumference, or line surrounding the shape is:

$L =2\pi\cdot r$

The Earth has a diameter of 7,917.5 miles. The radius is half the diameter:

r=7,917.5/2=3,958.75 miles

Assuming a plane flies around the equator at ground level, the distance it would travel is:

$L =2\pi\cdot 3,958.75\ miles$

L = 24,873.6 miles

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3 years ago

9341/2 scientific notation

Darya [45]

Answer: 9.34 x 10^3
Hope this helps

5 0

3 years ago

Find the product. (x+2)(x−2)=

kaheart [24]

Answer:

x² - 4

Step-by-step explanation:

Step 1: Write expression

(x + 2)(x - 2)

Step 2: FOIL

x² + 2x - 2x - 4

Step 3: Combine like terms

x² - 4

8 0

3 years ago

Read 2 more answers

5x divided by 6=9 what is x

Tju [1.3M]

X is nine.............

6 0

3 years ago

Read 2 more answers

2(x - 2.6) + 2.91 = 7.71

Gennadij [26K]

I'll show a step-by-step. I'm not in the mood to explain right now lol.

2(x-2.6)+2.91=7.71

2x-5.2+2.91=7.71

+5.20 +5.20

2x+2.91=12.91

-2.91 -2.91

2x=10

/2 /2

x=5

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hope it helps

sorry if it doesn't

3 0

3 years ago