3 years ago

PLEASE HELP... What do you do when none of the variables cancel out while solving systems by elimination?

Mathematics

1 answer:

Vitek1552 [10]3 years ago

3 0

Answer:

multiply one or both of the equations until a variable can cancel out

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Please help i am very confused

Step2247 [10]

Answer:

$\sqrt{80}$

80 is the number in the square root

Step-by-step explanation:

$d = \sqrt{(x_{2}-x_{1} )^{2} +(y_{2}-y_{1} )^{2} } \\d = \sqrt{(4-(-4) )^{2} +(5- 1 )^{2} }\\d = \sqrt{(4+4 )^{2} +4^{2}\\d = \sqrt{8^{2} +4^{2} }\\d=\sqrt{64 +16}\\d=\sqrt{80}$

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3 years ago

Explian how you can find the number of feet in 20 yards

natka813 [3]

1 yard is = to 3 feet.
20 yards = to 20 X 3 feet
your answer is 60 feet

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3 years ago

Read 2 more answers

A cone has a radius of 4.96 cm and a volume of 102 cm³

horrorfan [7]

Answer:

h= 12/pi OR 3.81972

Step-by-step explanation:

$100= \frac{1}{3}5^{2}h$

$100= \frac{1}{3}\pi 25h$

$100= \frac{25\pi h}{3}$

$\frac{12}{\pi } =h$

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2 years ago

How do you subtract the following fraction to find the solution?<br> 5 - 4/9

garri49 [273]

Here 5 - 4/9
multiply 9 and divide 9 to 5. It gives 45/9.
Hence, above fraction becomes,
45/9 - 4/9 = (45 - 4) / 9 = 41 / 9
Hope it helps.

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3 years ago

Please answer these questions.... please..

sladkih [1.3K]

For the first picture it’s the last one, for the second picture it’s y=x-2

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3 years ago