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riadik2000 [5.3K]
2 years ago
11

The radius of Mars is about 3.4 times 10^3 km. What is the approximate surface area of Mars? Use the formula for the surface are

a of a sphere, S.A.=4pieR^2. Write your answer in scientific notation
Mathematics
1 answer:
Stella [2.4K]2 years ago
3 0

Answer: the answer is a hard doosie

Step-by-step explanation:

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The endpoints of CD are C(1, -6)and D(7,5). Find the coordinate of the midpoint, M
yuradex [85]

Answer:

(4, - 0.5 )

Step-by-step explanation:

Given endpoints (x₁, y₁ ) and (x₂, y₂ ) then the midpoint is

[ \frac{x_{1}+x_{2}  }{2} , \frac{y_{1}+y_{2}  }{2} ]

Here (x₁, y₁ ) = C(1, - 6) and (x₂, y₂ ) = D(7, 5) , then

midpoint = ( \frac{1+7}{2} , \frac{-6+5}{2} ) = \frac{8}{2} , \frac{-1}{2} ) = (4, - 0.5 )

6 0
3 years ago
6 less than the product of 5 and a number <br> A. 5-6n<br> B. 6+5n<br> C. 5(n - 6)<br> D. 5n-6
jolli1 [7]

Answer:

D.

Step-by-step explanation:

5 times a number is 5n. We need to subtract 6 from that, so we have 5n-6 for any value n.

8 0
3 years ago
Read 2 more answers
Nicole bought a meal in a town with a 9% sales tax. She tips 20% on the bill, and then adds the sales tax. What is the total cos
zloy xaker [14]

Answer:

The total cost of the meal is $19.35.

Step-by-step explanation:

As Nicole ordered a $ 15 menu, and on that price she paid a tip of 20% and the town in which she bought it had a sales tax of 9%, the total cost of the meal is determined by performing the following calculation:

1- Menu $ 15

2- Tip $ 3 (15 x 0.2)

3- Sales tax $ 1.35 (15 x 0.09)

Thus, adding the three expenses, the total cost of the food for Nicole is $ 19.35 (15 + 3 + 1.35).

6 0
2 years ago
ABC stock sold for $64.50 four days later the same stock sold for $47.10 what is the average change per day?
frozen [14]
So you subtract 64.50 - 47.10 and it equals 17.4 and then you divide that by 4 and your answer is 4.35
4 0
3 years ago
Convert 3/50 to a decimal
Marta_Voda [28]

Step 1

Convert the proper fraction to a decimal by using long division to divide the dividend(3)(numerator) by the divisor(50)(denominator)

Hence 3/50 in decimal = 0.06

5 0
1 year ago
Read 2 more answers
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