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solniwko [45]
3 years ago
5

Solve for y 7y=84Please help me I need this for my homework

Mathematics
2 answers:
Lena [83]3 years ago
5 0
Divide both sides by 7
7y/7=y
84/7=12
y=12
Anon25 [30]3 years ago
4 0

Answer:

y=12

Step-by-step explanation:

Lets write out the equation so it easy to work with.

7y=84

Divide both sides by 7

7y/7=84/7

Divide

y=12

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The aspect ratio is used when calculating the aerodynamic efficiency of the wing of a plane. For a standard wing area, the
xxMikexx [17]

Answer:

Y=s^2/36 and y=5.7;14.3 ft

Step-by-step explanation:

The question was not typed correctly. Here, a better version:

<em>The aspect ratio is used when calculating the aerodynamic efficiency of the wing of a plane for a standard wing area, the function A(s)=s^2/36 can be used to find the aspect ratio depending on the wingspan in feet. If one glider has an aspect ratio of 5.7, which system of equations and solution can be used to represent the wingspan of the glider? Round solution to the nearest tenth if necessary.  </em>

<em> </em>

<em>Y=s^2/36 and y=5.7;14.3 ft </em>

<em>Y=5.7s^2 and y=36; s=2.5ft </em>

<em>Y=36s^2 and y=0; s=0.4 ft </em>

<em>Y=s^2/36 +5.7 and y=0; s=5.5 ft</em>

In the function A(s)=s^2/36 A(s) represents the aspect ratio and s the wingspan. If one glider has an aspect ratio of 5.7, then A(s) = 5.7. We want to know the wingspan of the glider. Replacing A(s) by Y we get the following system of equation:

Y=s^2/36    

with y = 5.7

5.7 = s^2/36    

5.7*36 =  s^2

√205.2 = s

14.3 ft

7 0
3 years ago
Read 2 more answers
Place the following rates of change in order<br> from least to greatest:)
Assoli18 [71]

Answer:

-4 , 0 , 4/5 , 90% , 2

Step-by-step explanation:

-4 , 0 , 0.8 , 0.9 , 2

5 0
2 years ago
if during a given month your average daily credit card balance is 800 and your yearly interest rate is 17%, how much interest do
Vlad [161]
If during a given month your average daily credit card balance is $800 and your yearly interest rate is 17%, then the interest you owe on your credit card for that month would be: $11.33
6 0
2 years ago
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Need help fast!!<br> What is the value of x
prohojiy [21]

Answer:

4.5

Step-by-step explanation:

4 0
3 years ago
Can someone please help me?
Norma-Jean [14]

Answer:

a) DE = 15

b) AB = 6

Step-by-step explanation:

24/8 = 3

18/3 = 6

5*3 = 15

4 0
2 years ago
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