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kifflom [539]
3 years ago
10

960 surveys were mailed out, but only 28% were returned. how many surveys were returned?​

Mathematics
1 answer:
nlexa [21]3 years ago
8 0

Answer:

268.8 rounds to 270

Step-by-step explanation:

to change percent into decimal move the decimal 2 places to the left. than multiply it by 960

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7. Which of the following best presents the graph of a line with a slope of -2/3 and a y-intercept of -1?
Sonja [21]
The correct graph would be graph A.

Since the line hits the y-axis at -1. And it goes down 2 and to the left 3 for each point.
3 0
3 years ago
Please help....What is a problem that makes sense for this question? ASAP!!
ddd [48]

Explanation:

250 can be used as a total, with 10 being how much something subtracted multiple times takes away, and 20 being the end result. So, we could make the problem about a lot of things, but I'll go ahead and write the first one that comes to mind.

Answer:

Arata has $250 in his bank account, and plans on buying several CDs. Each one costs $10, and by the end of the trip, there is only $20 left in his account. How many CDs did Arata buy, assuming there was no tax or other additional charges?

7 0
3 years ago
How to do the fractions
Alenkasestr [34]

you could either multiply straight away or you could simplify right then so that you wouldn't have to it later.

20/5 * 5/2

your answer would be 10 either way

3 0
3 years ago
Expand (x+2)^6 using the Binomial Theorem and Pascal’s triangle. Show your work.
Alex73 [517]

x⁶ + 12x⁵ + 60x⁴ + 160x³ + 240x² + 192x + 64

Step-by-step explanation:

We shall expand the brackets;

(x + 2)^6

x⁶ + x⁵2 + x⁴2² + x³2³ + x²2⁴ + x2⁵ + 2⁶

x⁶ + 2x⁵ + 4x⁴ + 8x³ + 16x² + 32x + 64

We shall then use Pascal’s triangle to fit in the coefficients;

(1) x⁶ + (6) 2x⁵ + (15) 4x⁴ + (20) 8x³ + (15) 16x² + (6) 32x + (1) 64

x⁶ + 12x⁵ + 60x⁴ + 160x³ + 240x² + 192x + 64

6 0
3 years ago
Rihanna planned a rectangular courtyard for a park and made a scale drawing using inches as the unit of measurement. She origina
Eva8 [605]

Answer:

I think it changed from 36x to 48x

Depending on how you look at it, it could have changed from 3x to 4x or 36x to 48x.

If they said it was 18 feet instead of 18 inches, it would be 3x or 4x, but they had it as inches.

18 inches = 1.5 feet

72/1.5 = 48

54/1.5 = 36

So originally, it would have been a scale of 1 in : 36in , but it changed to 1 in : 48 in  

Sorry if this was confusing.

3 0
3 years ago
Read 2 more answers
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