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nevsk [136]
3 years ago
9

Y=2x-5 4x-y=7 what is the value of x

Mathematics
1 answer:
amid [387]3 years ago
7 0

Answer:

x=1 and y=-3

Step-by-step explanation:

hope this helped :)

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Looking for some help!
klasskru [66]

Answer:

  • 5√2
  • 16

Step-by-step explanation:

<u>Use the property of 45 degree right triangles</u>

  • c = a√2, where c- hypotenuse, a = legs

<u>Top diagram</u>

  • x = 5√2

<u>Bottom diagram</u>

  • x = 8√2(√2) = 16

5 0
3 years ago
The volume of a cylinder that is 8 inches tall is 628.32 cubic inches. What would be the volume of a cone that fits perfectly in
avanturin [10]
Check the picture below

notice, if the "r" and "h" is the same for both, the cone's volume is just 1/3 of the cylinder's

4 0
3 years ago
A rectangular prism has a height of 12 cm and a square base with sides measuring 5 cm. A pyramid with the same base and the heig
Ksju [112]
The answer is 200 cm³


The volume of the rectangular prism (V1) is:
V1 = l · w · h                       (l - length,  w - width,  h - height)
It is given:
h = 12 cm
w = l = 5 cm (since it has a square base which all sides are the same size).
Thus: V1 = 12 · 5 · 5 = 300 cm³

The volume of pyramid (V2) is:
V2 = 1/3 · l · w · h                   (l - length,  w - width,  h - height)
It is given:
h = 12 cm
w = l = 5 cm (since it has a square base which all sides are the same size).
V2 = 1/3 · 12 · 5 · 5 = 1/3 · 300 = 100 cm³


The volume of the space outside the pyramid but inside the prism (V) is a difference between the volume of the rectangular prism (V1) and the volume of the pyramid (V2): 
V = V1 - V2 = 300 cm³ - 100 cm³ = 200 cm³
3 0
3 years ago
. Macy's mom gives her $100 for her birthday. She buys shirts that're $15 each and pairs of pants that're $25 each. Which expres
Pachacha [2.7K]

Answer:

100-(15s+25p)

Step-by-step explanation:

5 0
2 years ago
Twelve of the comic books in Rachel’s collection are in mint condition. If One-sixth of her collection is in mint condition, how
tekilochka [14]

Answer:

Well I think it's 12 divided by one-sixth= n, so (a)

Step-by-step explanation:

Soo sorry if it's wrong!

6 0
3 years ago
Read 2 more answers
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