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OlgaM077 [116]
3 years ago
14

Surface area of a sphere. Please help and no links please.

Mathematics
2 answers:
Mashutka [201]3 years ago
7 0

Answer:

725.46 or 725.5

Step-by-step explanation:

SA formula for Sphere is 4(pi)radius²

replace pi with 3.14

radius is 7.6 so its

3(3.14)7.6²

now I said 725.5 because you have to round up

V125BC [204]3 years ago
3 0

Answer:

725.4656 - surface area

Step-by-step explanation:

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A 2018 Chevrolet Suburban averages 15 miles per gallon of gas in the city. It drives 47% farther per gallon of gas on the highwa
solmaris [256]

Answer:

On the highway, the cost to drive per mile is $2.21

Step-by-step explanation:

In the city the average distance per gallon is 15 miles

On the highway, he can drive 47% farther;

The distance he can cover on the highway per gallon will be;

15 + 47% of 15

= 15 + 0.47(15)

= 15 + 7.05 = 22.05

So on the highway, he can travel a distance of 22.05 miles

So the cost per mile on the highway would be;

$3.25 for 15 miles

$x for 22.05 miles

so we have the cost to drive per mile on the highway as;

(3.25 * 15)/22.05 = $2.21

4 0
3 years ago
What is the answer to 25/5(2*3)
SVEN [57.7K]
According to P E M D A S (parentheses, exponents, multiplication, division, addition, and subtraction) (2*3)=(6) and 25/5 is 5. 5(6)=30. Your answer is 30.
5 0
3 years ago
Help I’m not sure with this one!! Urgent help
Nastasia [14]

This system has exactly one solution, because the two equation are linearly independent (i.e. one is not a multiple of the other).

We can explicitly find the solutions: from the first equation we deduce

x = \dfrac{c-by}{a}

Plug this value for x in the second equation:

\dfrac{a}{3}\cdot \dfrac{c-by}{a}+\dfrac{by}{2}=\dfrac{c}{6} \iff \dfrac{c-by}{3}+\dfrac{by}{2}=\dfrac{c}{6} \iff \dfrac{2(c-by)+3by}{6}=\dfrac{c}{6}

Multiply both sides by 6 to get

2(c-by)+3by=c \iff 2c-2by+3by=c \iff by=-c \iff y=-\dfrac{c}{b}

Plug this value for y in the expression for x:

x = \dfrac{c-by}{a} = \dfrac{c-b\cdot\frac{-c}{b}}{a}=\dfrac{2c}{a}

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3 years ago
HURRY!! BRAINLIEST IF RIGHT!!​
AURORKA [14]
The answer is B ,,,,
4 0
2 years ago
A ball travels on a straight surface at 20 ft/sec it begins to decrease at 6 ft/sec How far will it travel ?
Rzqust [24]

Answer:

14 ft/sec

so 14 feet in one second.

Hope this helps you :)

Good Luck :)))

4 0
3 years ago
Read 2 more answers
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