3 years ago

Find the value of x.

Mathematics

1 answer:

HACTEHA [7]3 years ago

5 0

Answer:

what

Step-by-step explanation:

sure?

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Planes Q and R are parallel. Explain how you know lines a and b are skew.

gizmo_the_mogwai [7]

Answer:

We don't know that they skew but if Q and R are the same length then they aren't. But if Q and R are different lengths then they are skew. It would help to post a picture.

Step-by-step explanation:

8 0

3 years ago

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How many solutions are there to the system of equations? StartLayout enlarged left-brace 1st row 4 x minus 5 y = 5 2nd row negat

kkurt [141]

Answer:

Only one solution $x=\frac{5}{4},y=0$

Step-by-step explanation:

$4x-5y=5..............(1)\\0.08x+0.10y=0.10...........(2)$

Multiply equation $(2)$ by $50$

$4x-5y=5........(3)$

Now from equation $(1)$ $+$ equation $(3)$

$8x=10\\x=\frac{10}{8}\\x=\frac{5}{4}$

Put the value in equation $(1)$

$5-5y=5\\5y=0\\y=0$

hence only one solution exists $\left(\frac{5}{4},0\right)$ .

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3 years ago

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Factor the polynomial

arlik [135]

Answer:

(5x+12) (5x-12)

Step-by-step explanation:

Use the difference of squares fromula. $a^{2} -b^{2} =(a+b)(a-b)$

Where a = 5x and b =12.

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3 years ago

What is 2g - 3 + 11 - 8g

topjm [15]

-2(3g-4) or -6g+8 one is factoring the expression and one is simplifying the expression

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4 years ago

Find the perimeter.

Burka [1]

Answer:

5 11/13 km

Step-by-step explanation:

4 ( 1 6/13)

4× 19/13

= 5 11/13

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