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Misha Larkins [42]
3 years ago
13

18. The side length of a square is 7a 3b feet. What is the area of the square in feet? Box your final answer!

Mathematics
1 answer:
geniusboy [140]3 years ago
5 0

Answer:

ouhnewu0h8coehuqnce0nuqfenueqnuqwe0nu8iquenw

Step-by-step explanation:

uieqnueru0njfqenu0fqenuen0rue0fuinfuine0

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Evaluate -5 to the power of 2​
xeze [42]

Answer:

the answer is -25

Step-by-step explanation:

-5 x -5= -25

negative x negative= negative

5 0
4 years ago
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Answer The Questions
lana66690 [7]

Answer:

Step-by-step explanation:

That’s easy

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3 years ago
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.<br> Evaluate the series 1 + 0.1 + 0.01 + . . .
EastWind [94]

We can employ a simple repeated decimal trick:

x=1.111\ldots

0.1x=0.111\ldots

\implies x-0.1x=1\implies0.9x=1\implies x=\dfrac1{0.9}=\dfrac{10}9

###

Alternatively, we can compute the partial sum of the series.

\displaystyle S_n=\sum_{k=0}^n\dfrac1{10^k}

S_n=1+0.1+0.01+\cdots+\dfrac1{10^n}

0.1S_n=0.1+0.01+0.001+\cdots+\dfrac1{10^{n+1}}

\implies S_n-0.1S_n=0.9S_n=1-\dfrac1{10^{n+1}}

\implies S_n=\dfrac{10}9-\dfrac9{10^n}

As n\to\infty, the second term vanishes and we're left with \dfrac{10}9. Notice that this is really just a more formal version of the earlier trick.

6 0
3 years ago
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A rectangle is 25 feet long.Its area is 375 square feet. What is the width of the rectangle?
frosja888 [35]

To find the width, divide the area by the length.

Width = 375 / 25

Width = 15 feet.

6 0
3 years ago
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You are a receptionist at a doctor's office. A patient's bill for a checkup totals $85. 0. The patient's health insurance requir
pshichka [43]

Answer:

$17

Step-by-step explanation:

You need to find 20 percent. so find 10 percent or divide by ten then multiply that by two

7 0
2 years ago
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