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Alex Ar [27]
3 years ago
11

The average of Landry’s test scores must be at least 92 for her to make an A in Algebra class.

Mathematics
1 answer:
svp [43]3 years ago
3 0

Answer:

  89

Step-by-step explanation:

On the first test, she got 3 more points than the average required, so she can afford to drop 3 points below the average on her second test. She needs 92-3 = 89 or better.

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2^4n × 2^ 2n = 512<br> What is the value of n.
Marina86 [1]

Step-by-step explanation:

{2}^{4n}  \times  {2}^{2n}  = 512

{2}^{4n}  \times  {2}^{2n}  =  {2}^{9}

{2}^{4n + 2n}  =  {2}^{9}

6n = 9

n  = \frac{3}{2}

8 0
2 years ago
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Please help me!!!!!!!!!!!!!!!
Ainat [17]

r = 7.53 so d = 2r = 2(7.53) = 15.06 cm

Area of square = d^2 / 2 = (15.06)^2 / 2 = 113.41 cm^2

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Area of yellow region =64.63 cm^2 = 64.6 cm^2 (nearest tenth)

Answer

64.6 cm^2

7 0
3 years ago
Marion is driving between two towns that are close together. If she drives 1⁄5 the trip in 15 minutes, what is her rate per hour
netineya [11]

Answer:

4/5 in one hour

Step-by-step explanation:

15 minutes is 1/4 of an hour so all you need to do is multiply one 1/5 by four

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What is the GCD of 18 and 48
JulijaS [17]

Answer:

6

Step-by-step explanation:

So the greatest common factor 18 and 48 is 6.

8 0
2 years ago
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Estimate a 10% tip on a bill of $179.54 by first rounding the bill amount to the nearest ten dollars.
lawyer [7]

Answer:

Step-by-step explanation:

First we start off by rounding that number to the nearest ten, not tenTH. This rounding would lead to 180$. Now comes the percent part. Here i use the percent equation, which is ____ is ____% of _____. our percent is 10%, and our whole goes at the end, 180$. The part( or the tax), becomes x, and now we translate. Is means = and of means times. so x=.10(180), and x will equal 18

so the tip will be around 18 dollars

hope it helped

7 0
3 years ago
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