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Scorpion4ik [409]
3 years ago
6

I’m losing my mind over this question :,) help asap would be amazing

Mathematics
1 answer:
storchak [24]3 years ago
3 0

Answer:

I think it's either C or A

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115 = 20 + 2.5x<br> Answers <br> X= 38 <br> X= - 37/38
KIM [24]
The answer would be X=38
7 0
3 years ago
MATH - look at the picture and i will mark you as brainliset if you answer correctly.
mote1985 [20]

Answer:

C is the answer

Step-by-step explanation:

It's very obvi lol

3 0
3 years ago
Read 2 more answers
75 points. Will give certified if work is shown and the answer is correct.
Svetach [21]
Volume of the first dwarf planet (r₁ = 832 mi):

V_1=\dfrac{4}{3}\cdot\pi\cdot r_1^3=\dfrac{4}{3}\cdot\pi\cdot 832^3=\dfrac{2303721472}{3}\pi\approx7.679\cdot10^8\pi\,\text{mi}^3

Volume of the second dwarf planet (r₂ = 829 mi):

V_2=\dfrac{4}{3}\cdot\pi\cdot r_2^3=\dfrac{4}{3}\cdot\pi\cdot 829^3=\dfrac{2278891156}{3}\pi\approx7.5963\cdot10^8\pi\,\text{mi}^3

So difference between the volumes is:

V_1-V_2\approx7.679\cdot10^8\pi-7.5963\cdot10^8\pi=0.0827\cdot10^8\pi=\boxed{8270000\pi\,\text{mi}^3}

or if we want exact value (we use (a³-b³) = (a-b)(a²+ab+b²) ):

V_1-V_2=\dfrac{4}{3}\cdot\pi\cdot r_1^3-\dfrac{4}{3}\cdot\pi\cdot r_2^3=\dfrac{4}{3}\pi(r_1^3-r_2^3)=\dfrac{4}{3}\pi(832^3-829^3)=\\\\\\=\dfrac{4}{3}\pi(832-829)(832^2+832\cdot829+829^2)=\\\\\\=\dfrac{4}{3}\pi\cdot3(692224+689728+687241)=4\pi\cdot2069193=\boxed{8276772\pi\,\text{mi}^3}
3 0
3 years ago
A hiker begins at sea level and descends 25 feet every minute. How long will it take to get to an elevation of -750 feet?
horsena [70]

Answer:

it would take about 7 1/2 minutes.

Step-by-step explanation:

please give brainliest

4 0
3 years ago
Read 2 more answers
Find x pretty please​
mario62 [17]

Answer:

100⁰

because this is a quadrilateral inscribed in the circle

=> x + 80 = 180

<=> x = 180 - 80 = 100⁰

3 0
2 years ago
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