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Romashka-Z-Leto [24]
3 years ago
10

How to solve for h? I don't understand it

Mathematics
1 answer:
Vesnalui [34]3 years ago
6 0
H is the altitude of a right triangle, so h²=AD*DC=(20-4)*4=64
h=√64=8
D is the correct answer. 
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If someone runs 4 miles in 30 minutes how many will they run in 48 minutes
kakasveta [241]
First find out how fast they run 1 mile by dividing the time they ram ( 30 minutes) by the number of miles they ran (4)

30 minutes / 4 miles = 7.5 minutes per mile

now we know how fast they run divide the new overall time (48 minutes) by the speed (7.5 minutes) to find the number of miles they will run

48 / 7.5 = 6.4 miles
4 0
3 years ago
How the heck r u supposed to round this? I tried and it says its wrong!
Rus_ich [418]

The result of division is 21.392

Rounded to the nearest tenth its  21.4  answer

(because the hundredth digit  is 9 so you add 1 to the tenth digit.)

5 0
3 years ago
(pls help .z.) Both the numerator and the denominator of 21/24 can be divided by _____. .2 .3 .4 .6
makkiz [27]

Answer:

B.) 3

Step-by-step explanation:

21/3 = 7

24/3 = 8

Hopefully this helps you :)

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3 0
3 years ago
Read 2 more answers
We use __________ for the test statistic when the population standard deviation σ is unknown.
Tomtit [17]
P-value is perhaps the answer. 

Give us the options !!!

Hope this helps !

Photon
8 0
3 years ago
The perimeter of the kitchen is 528 inches if the width of the kitchen is 120 inches what is the length of the kitchen
butalik [34]

Answer: 144 inches.


Step-by-step explanation:

1. To solve this problem you must remember the formula for calculate the perimeter of a rectangle, which is shown below:

P=2l+2w

Where l is the lenght and w is the width.

2. You know the perimeter and the width, then you can solve for the length, as following:

P-2w=2l\\l=\frac{P-2w}{2}\\l=\frac{(528in)-(2*120in))}{2}\\l=144in



7 0
3 years ago
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