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Novosadov [1.4K]
3 years ago
6

What is the value of Negative 9 r minus 7 when r = 2? -25 -18 11 45

Mathematics
1 answer:
andrezito [222]3 years ago
8 0

Answer:

11

Step-by-step explanation:please mark brainliest

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What is the value of q?
malfutka [58]
Triangles QST and RST are similar.  Therefore, the following is true:

 q       s
--- = ----   This results in 10q=rs.
 r      10

Also, since RST is a right triangle, 4^2 + s^2 = q^2.
Since QST is also a right triangle, s^2 + 10^2 = r^2.  
            4      s
Also:  ---- = -----    which leads to s^2 = 40
            s      10

Because of this, 4^2 + s^2 = q^2 becomes 16 + 40 = 56 = q^2

Then q = sqrt(56) = sqrt(4)*sqrt(14) = 2*sqrt(14) (answer)


5 0
3 years ago
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Enter expression, e.g. (x^2-y^2)/(x-y)
Drupady [299]
The answer i got was x+y
5 0
2 years ago
How do I simplify this problem
ziro4ka [17]
8: 17/24
9: 7/48
10: 5 1/4
11: 1.75
3 0
2 years ago
Help ASSAP . Find the perimeter I will give you 20 points and brainlyist.
Tpy6a [65]

Answer:

I think it may be 120 cm

Step-by-step explanation:

A F is 13 using pythagorean theorem on triangle CED and applying the hypotenuse length to A F.

ABC is similar to triangle CED and is dilated by a factor of 3  so the base is 36.

using pythagorean theorem on triangle ABC gets the hypotenuse length of 39 which can be applied to FE

add all the values together

39 + 13 + 15 + 36 +12 +5 = 120

5 0
3 years ago
What is the the volume of this?<br><br> Also you can explain just make the explanation short
fgiga [73]
15×20×10=3000
10×20×15=3000
3000+3000=6000 cm^{2}

6 0
3 years ago
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