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Otrada [13]
2 years ago
10

You provide half of a class of elementary school students with 20 minutes of spelling instead of recess. The other half of the c

lass goes to recess. You record students grades on a spelling test taken after recess.​
Mathematics
1 answer:
Olin [163]2 years ago
5 0

Answer: What is the question theres not enough info

Step-by-step explanation:

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A band sells T-shirts at their concerts. After one concert, they sold 320 out of 400 black T-shirts and 270 out of 300 blue T-sh
Paha777 [63]
Percentage of black T-shirt sold = 320/400 x 100 = 80%

Percentage of blue T-shirt sold = 270/300 x 100 = 90%

Answer: There is a greater percentage of Blue T-Shirt sold.
7 0
3 years ago
The sum of the numerator and the denominator of the certain fraction is equal to 4,140. When the fraction was reduced, the resul
Sunny_sXe [5.5K]

Answer:

1449/2691

Step-by-step explanation:

We must start from the fraction that is 7/13. Now, we know that it was simplified, with trial and error we can reach the result.

First, let's multiply both by 200:

7 * 200 = 1400

13 * 200 = 2600

1400 + 2600 = 4000

It means that we are missing 140, to reach the objective, that is, we are close, let's try 205 now:

7 * 205 = 1435

13 * 205 = 2665

1435 + 2665 = 4100

We get even closer, only 40 missing, let's try 207 below:

7 * 205 = 1449

13 * 205 = 2691

1449 + 2691 = 4140

We managed to get to the corresponding numbers, therefore the original fraction was 1449/2691

3 0
2 years ago
He main span of the Sunshine Skyway Bridge is 366 meters long. The bridge's main span is 30 meters shorter than the main span of
Digiron [165]

Answer:

360 = x + 30

x = 390 meters

Step-by-step explanation:

3 0
3 years ago
Find the slope of the line passes through the pair of points (-5.5,6.1), (-2.5,3.1)
skad [1K]
The answer would be C.

If you do -5.5 + 2.5 over 6.1 - 3.1 it would be -3 over 3 which is equal to -1.

You could also do -2.5 + 5.5 over 3.1 - 6.1. It would be 3 over -3 which is also equal to -1.
7 0
2 years ago
Is x+2 a factor of x^3+8?
zhuklara [117]

Answer:

yes

Step-by-step explanation:

because to find every combination of \frac{p}{q}, where p is a factor of the constant and q is a factor of leading coefficient

5 0
2 years ago
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