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2 years ago

PLEASE HELP and can you show your work and say which number you are answering thank you

Mathematics

1 answer:

Svet_ta [14]2 years ago

4 0

For # 9, the answer is 4 pants and 11 shirts, see in the comments for my explanation

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How many triangles can be constructed with angles measuring 60°, 60°, and 40°?

aleksandrvk [35]

Answer:

None

Step-by-step explanation:

Because the 3 angles do not add up to 180 degrees.

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2 years ago

Pls help me! 19 and 20.

Murljashka [212]

Answer:

See below ↓

Step-by-step explanation:

19.

$\frac{x-1}{2} - \frac{x-3}{5} - \frac{x-7}{10} + \frac{x-2}{5}$
$\frac{5(x-1)-2(x-3)-(x-7)+2(x-2)}{10}$
$\frac{5x-5-2x+6-x+7+2x-4}{10}$
$\frac{4x+4}{10}$
$\frac{2x+2}{5}$

20.

$\frac{2x+3}{2x} + \frac{x+3}{4x} - \frac{18x+6}{8x^{2} }$
$\frac{4x(2x+3)+2x(x+3)-(18x+6)}{8x^{2} }$
$\frac{8x^{2} +12x+2x^{2} +6x-18x-6}{8x^{2} }$
$\frac{10x^{2}-6}{8x^{2} }$
$\frac{5x^{2}-3}{4x^{2} }$

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1 year ago

Find the distance between the two points (-4,6) and (3,-7)

Lesechka [4]

Answer:

$( - 4.6) + (3. - 7) = 0.6$

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2 years ago

Simplify the following:<br> 5 * (7 – 3*4/2)

balu736 [363]

Answer:

Step-by-step explanation:

the answer is simply 5 :)

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1 year ago

Which of the following does not represent a function?

ankoles [38]

<h3>Answer:</h3>

graph of a parabola symmetric about the x axis with x intercept at negative 5

<h3>Explanation:</h3>

A parabola that opens horizontally does not pass the vertical line test. You can draw a verticla line that intersects the curve in 2 places. A function must be single-valued, so can only have one y-value for any x-value.

5 0

2 years ago

Read 2 more answers