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horsena [70]
3 years ago
9

2x+2(3x+5)=91 what is the answer

Mathematics
2 answers:
goldenfox [79]3 years ago
8 0

Answer:

if the answer is the value of x then it would be 13.5

Step-by-step explanation:

PilotLPTM [1.2K]3 years ago
4 0

Answer:

X=81/8

Step-by-step explanation:

The final answer is 81/8 which cannot be simplified. I used symbolab calculator to solve the equation.

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Using this formula l=A 1/2 what is the length of one side of a square with an area of 1,936 square kilometers? (A is the area of
Vera_Pavlovna [14]

<u>c.)44 kilometers</u>

Answer:

Solution given:

let

length =L

and

Area =A

Now

we have

Area [A]=1936 square kilometers

now

As we know that

Area of square :length *length

A=l*l

A=l²

Substituting value of A

1936=l²

doing square root on both side

\sqrt{1936}=\sqrt{l²}

we get

l=\sqrt{2*2*2*2*11*11}

l=2*2*11

l=44 kilometers

So

<u>the length of one side of a </u><u>square</u><u> </u><u>is</u><u> </u><u>4</u><u>4</u><u> </u><u>kilometers</u><u>.</u><u />

6 0
2 years ago
The area of a rectangular wall of a barn is 300 square feet. its length is 10 feet longer than twice its width. find the length
Savatey [412]

<span><span>L * W = 300 sq ft
</span><span> Length is 10 ft greater than twice the width.
L = 2W + 10
Substituting
(2W+10)*W = 300
2W^2 + 10W = 300
Divide both sides by 2
W^2 + 5W = 150
W^2 + 5W - 150 = 0
Factor
(W +15)(W -10) = 0</span></span>

<span>
<span> Roots are W=-15 and W=10.
A negative width is impossible, so W=10
L = 2W + 10
L = 2(10) + 10
L = 30</span></span>

 length = 30 feet, width = 10 feet

<span> Check: 30*10 = 300</span>


5 0
3 years ago
PLS HELP UNIT TEST WORTH 50 POINTSSSSS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Anettt [7]

Answer:

A

Step-by-step explanation:

-35 + 8 -27 (-27 is the depth

7 0
3 years ago
Read 2 more answers
Does anyone know the answer to this and how to solve it? I’m completely lost-
vovangra [49]

Answer:

314

Step-by-step explanation:

Does the line cuts through the diameter of the circle?

If so just apply π * 10^2 = 314.15 radius is just 20/2  = 10

7 0
3 years ago
James knows that he eventually wants to buy a motorcycle, and the model he has in mind costs $5,000. He has found a bank that wi
svetlana [45]

Answer:

3527

Step-by-step explanation:

Using our compound interest formula we can plug in all of our given values and solve for P.

A(t)=P(1+r/n)^nt

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3 years ago
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