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docker41 [41]
3 years ago
10

How do I find QS here?

Mathematics
1 answer:
juin [17]3 years ago
4 0
Answer: 12.
To solve this problem, let's first solve for x. Thi is easiest done by figuring what QR is in terms of x using two equations, both from different lines. 
In the first line: QR = 15 - 4x. 
In the third line:QR = 13x - 1 - x = 12x - 1. 
Now, we have to set these equations equal to each other. 15 - 4x = 12x - 115 = 16x - 116x = 16x = 1
Next, we take line three, 13x - 1, and substitute x as 1. The answer is 12.
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There are 625 students at Median middle school. If 8% of the students were absent on Tuesday , how many students were absent?
kozerog [31]
625/8
=78.12
X100
=7,812
4 0
2 years ago
Look at the formula for the area of a triangle. a = 1 2 bh which is a solution for h?
andrey2020 [161]
Answer: h = 2a/b


Explanation:

a =  \cfrac{1}{2} bh

2a = bh

bh = 2a

h =  \cfrac{2a}{b}
7 0
3 years ago
All of the following are rational numbers except _
kenny6666 [7]

Answer:

Answer:

3.14159

Step-by-step explanation:

This number is pi. Pi goes on for millions of digits on end.

Step-by-step explanation:

6 0
2 years ago
The density of a certain material is such that it weighs 6 pounds per pint of volume.
ella [17]

Answer:

Density = 5751.66 gram per litre

Step-by-step explanation:

It is given that the density of a certain material 6 pounds per pint.

The conversion from pint to liter is as follows :

1 pint = 0.473 litre

The conversion from pounds to kg is as follows :

1 pound = 453.59 kg

We need to express the density from pounds per pint to grams per liter.

1 pound per pint = 958.611 gram per litre

So,

6 pound per pint = 958.611 × 6 gram per litre

6 pound per pint  = 5751.66 gram per litre

3 0
2 years ago
PLZ!!!!HELP!!!What is the absolute deviation for 15 in the data set?
Brut [27]
20 + 20 + 30 + 15 + 40 = 125
125/5= 25
25-15 = 10
Absolute deviation for 15 is 10
5 0
3 years ago
Read 2 more answers
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