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MatroZZZ [7]
3 years ago
9

110% of 90 is what number a? write and solv w porportion​

Mathematics
1 answer:
Zarrin [17]3 years ago
3 0

Answer:

99

Step-by-step explanation:

I love using proportions!!!

\frac{part \: or \: is}{whole \: or \: \: of}   = \frac{percent}{100}

x/90=110/100

cross multiply

90×110 and x×100

100x=9900

÷100. ÷100

x=99

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Murrr4er [49]

Answer

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Yeah it's 4 again double check!

6 0
3 years ago
You walk 2/15 miles for your chemistry class to Your economics class at a constant speed of 0.8 miles per hour.How long did this
Zolol [24]
<span>speed = 2.5 miles per hour</span>
7 0
3 years ago
HELP WITH ONE MORE!!!!!!!!
Alexxx [7]

Answer:

f(x + 3) = (4x + 13)/(x - 3)

Step-by-step explanation:

If f(x) = (4x + 1)/(x - 6)

then in f(x + 3)...js replace x with (x + 3)...

f(x + 3) = (4(x + 3) + 1)/(x + 3 - 6)

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3 0
3 years ago
Calculate the perimeter of the figure below.
mote1985 [20]

Well, we know perimeter is just adding all the lengths together.

And we already know 2 of the lengths, so we know the rest. 11 1/2 is the same as the opposite side, and 6 1/3 is the same as the opposite side.

So the sides are 6 1/3, 6 1/3, 11 1/2, 11 1/2.

Add them up:

6 1/3 + 6 1/3 + 11 1/2 + 11 1/2.

Improper fractions:

19/3 + 19/3 + 23/2 + 23/2.

Common denominator, (6):

38/6 + 38/6 + 69/6 + 69/6 = 214/6.

Simplify:

214/6 =  35 2/3

7 0
3 years ago
Choose the polynomial that is written in standard form.
Annette [7]
When written in standard form, you have to order each term from the highest degree to the lowest degree.

b. x^4y² + 4x²y + 8x    is your answer.

hope this helps, God bless!
4 0
3 years ago
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