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Usimov [2.4K]
3 years ago
15

HELP ASAP PLEASE!!!t

Mathematics
2 answers:
Vika [28.1K]3 years ago
4 0

Answer:


Step-by-step explanation:

b 2,5


AnnZ [28]3 years ago
3 0

Answer:

The answer is B!

Step-by-step explanation:


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Please help! Will give brainliest, pls no fake answers or links. :)
CaHeK987 [17]
6 x 6 =
The cube has 6 sides and each side is 6 inches so it’s 6 x 6 = 36 inches
10 feet = 120 inches + 30 inches = 150 inches
No she won’t have enough for all 6 boxes
7 0
3 years ago
Read 2 more answers
13.5 is 15% of what number?
german

Answer:

90

Step-by-step explanation:

13.5/.15

3 0
4 years ago
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In a group of 60 students, 20%are girls. How many are boys?
Firlakuza [10]

Answer: About 12 of those 60 students are boys.

To find the percent, you'll convert 20% to a decimal.

20 / 100 = 0.2

Then, multiply 60 by 0.2

0.2 × 20 = 12

That's one way, another way is:

Convert 20% to a fraction.

20% = 1/5

Then multiply 60 by 1/5.

60 × 1/5 = 60/5

Lastly, divide 60 by 5

60 / 5 = 12.

Hence, 12 is the answer.

<em>Any questions? Comment down.</em>

4 0
3 years ago
Put the differential equation 9ty+ety′=yt2+81 into the form y′+p(t)y=g(t) and find p(t) and g(t). p(t)= help (formulas) g(t)= he
alexgriva [62]

Answer:

p(t) = \frac{9t^{3} + 729t  - 1}{e^{t}(t^{2} + 81) }

g(t) = 0

And

The differential equation 9ty + e^{t}y' = \frac{y}{t^{2} + 81 } is  linear and homogeneous

Step-by-step explanation:

Given that,

The differential equation is -

9ty + e^{t}y' = \frac{y}{t^{2} + 81 }

e^{t}y' + (9t - \frac{1}{t^{2} + 81 } )y = 0\\e^{t}y' + (\frac{9t(t^{2} + 81 ) - 1}{t^{2} + 81 } )y = 0\\e^{t}y' + (\frac{9t^{3} + 729t  - 1}{t^{2} + 81 } )y = 0\\y' + [\frac{9t^{3} + 729t  - 1}{e^{t}(t^{2} + 81) } ]y = 0

By comparing with y′+p(t)y=g(t), we get

p(t) = \frac{9t^{3} + 729t  - 1}{e^{t}(t^{2} + 81) }

g(t) = 0

And

The differential equation 9ty + e^{t}y' = \frac{y}{t^{2} + 81 } is  linear and homogeneous.

6 0
3 years ago
In a geometric progression, the first tern is 81 and the fourth term is 24. find the common ratio​
lesantik [10]

Step-by-step explanation:

<h2><u><em>81/24</em></u></h2><h2><u><em>= 27/8</em></u></h2>

8 0
3 years ago
Read 2 more answers
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