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storchak [24]
2 years ago
15

I need help with this problem, please No links please :)

Mathematics
1 answer:
Brrunno [24]2 years ago
7 0

Answer:

Here's the link to the answer!

I'm kidding the answer is

A)  3m=654

B) 218

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A box contains 14 large marbles and 11 small marbles. Each marble is either green or white. 7 of the large marbles are green, an
Marrrta [24]

Answer:

21/22

Step-by-step explanation:

Well, 14+11 is 25. 7/14 are green, 6/11 are white. Ok, so 7/14 large marbles are green, and 5/11 small marbles are white. So now we add.

7/14+5/11

1/2+5/11

11/22+10/22

21/22

4 0
2 years ago
If R is the midpoint of QS , find QS (QR = 5x-3 and RS =21-x)
Finger [1]

Answer:

QS is 34

Step-by-step explanation:

We find x first. We set each side equal to each other to do so.

5x-3=21-x

6x=24

x=4

Next we find QS value. We add each side.

5x-3+21-x

4x+18

Then we plug in x to find numeric value.

4(4)+18

34

3 0
3 years ago
Read 2 more answers
Please help hurry!
Natasha2012 [34]

Answer:

  • ≈ 145.23 in²

Step-by-step explanation:

<u>The lateral surface area is:</u>

  • SA = 2πrh = 2*3.14*2.5*9.25 ≈ 145.23 in²
8 0
3 years ago
Read 2 more answers
Please Help!! I will give Brianliest to the correct answer!!!!
elixir [45]

Answer:

It is Option B

Hope it helps

5 0
3 years ago
Help pleaseeee ??????!!!!! I choosed the Death Valley one
disa [49]
1.) C(t) = -0.30(t - 12)^2 + 40
for t = 12: C(12) = -0.30(12 - 12)^2 + 40 = -0.30(0)^2 + 40 = 40°C
For t = 24: C(24) = -0.30(24 - 12)^2 + 40 = -0.30(24 - 12)^2 + 40 = -0.30(12)^2 + 40 = -0.30(144) + 40 = -43.2 + 40 = -3.2°C

4.) F(t) = 9/5 C(t) + 32
for C(t) = 40°C: 9/5 (40) + 32 = 72 + 32 = 104°F
for C(t) = -3.2°C: 9/5(-3.2) + 32 = -5.76 + 32 = 26.24°F

5.) F(t) = 9/5 C(t) + 32 = 9/5 (-0.30(t - 12)^2 + 40) + 32 = -0.54(t - 12)^2 + 72 + 32 = -0.54(t - 12)^2 + 104
5 0
3 years ago
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