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harina [27]
2 years ago
14

Simplify 2.4 : 0.88 : 4.8 as ratios

Mathematics
1 answer:
vovangra [49]2 years ago
5 0

Answer:

61:22:120

Step-by-step explanation:

Multiply each by 100

244:88:480

Now simply

122:44:240

61:22:120

(Just check to see or compare with others to see if answer is right)

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A train travels 4.4 miles in
Ugo [173]

Answer:

63.8 miles

Step-by-step explanation:

If the train travels 4.4 miles in 4 minutes, then you have to divide 4.4/4 to find the miles the train travels per minute.

4.4/4 = 1.1

So, since the train travels 1.1 miles per minute, and we want to know how fast it travels in 58 minutes, we have to multiply 1.1 by 58. Since 1.1 is a decimal number, we have to multiply both sides by 10 to get 11x580.

11x580 = 5800+ 580 = 6380

Since we multiplied both numbers by 10, we have to divide 6380 by 100.

6380/100 = 63.8

So, the train travels 63.8 miles in 58 minutes.

3 0
3 years ago
If tan 2A = cot (A -18°), where 2A is an acute angle, find the value of A.​
Reptile [31]

answer will be -24

A=-24

7 0
3 years ago
Read 2 more answers
Can someone tell me the slope ?
borishaifa [10]

Answer:

slope = 4

Step-by-step explanation:

We can find the slope of a line when knowing 2 points by using the slope formula, \frac{y_2 - y_1}{x_2 - x_1}. x_1 and y_1 represent the x and y values of the first point, respectively. x_2 and y_2 represent the x and y values of the second point, respectively.

The two points we have are (2,8) and (0,0). So, in this case, x_1 = 2, y_1 = 8, x_2 = 0, and y_2 = 0. Let's substitute those values into the formula and solve to get the slope:

m  = \frac{0-8}{0-2}

\frac{-8}{-2}

4

So, the slope is 4.

3 0
3 years ago
Is a measure of 25 inches​ "far away" from a mean of 16 ​inches? As someone with knowledge of​ statistics, you answer​ "it depen
erik [133]

Answer:

a) 25 is 3 standard deviation from the mean

b) Is far away from the mean, only 0,3 % away from the right tail

c) 25 is pretty close to the mean (just a little farther from 1 standard deviation)

Step-by-step explanation:

We have a Normal Distribution with mean 16 in.

Case a) we also have a standard deviation of 3 inches

3* 3 = 9  

16 (the mean) plus 3*σ  equal 25 in. the evaluated value, then the value is 3 standard deviation from the mean

Case b) 25 is in the range of 99,7 % of all value, we can say that value is far away from the mean, considering that is only 0,3 % away from the right tail

Case c) If the standard deviation is 7 then

mean + 1*σ  =  16 + 7 =23

25> 23

25 is pretty close to the mean only something more than 1 standard deviation

4 0
3 years ago
Write each decimal as a precent 0.17
Tatiana [17]

Answer:

17%

Step-by-step explanation:

it's basically just 17/100 which would be 17%

3 0
3 years ago
Read 2 more answers
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