2 years ago

Select the correct answer

Mathematics

1 answer:

kipiarov [429]2 years ago

6 0

Answer:

Step-by-step explanation:

Slope = term that multiply x

y intercept = the number without a variable

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Which table could be used with Table A to verify that the function modeling Fahrenheit temperature, F(C), based on a given Celsi

AURORKA [14]

Answer:

C -20 -15 -5

F(C) -4 5 23

Step-by-step explanation:

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3 years ago

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What is this (20+25)/3

katrin [286]

Answer:

78 witch is 15%

Step-by-step explanation:

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If 25% of a number is 65 and 60% of the same number is 156, find 35% of that number.

Goshia [24]

Answer:

35% of that number is 91.

Step-by-step explanation:

we need to first find 25% of what number equals 65.

65×100÷25 = 260

Then, if you use the same method again, 60% of 260 would be 156.

We know "that" number is 260, and all we need to do is find 35% of it.

35% of 260 = 91

Hope this helped :)

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3 years ago

Plz help me. Simplify:

alekssr [168]

Answer:

-14/1-5x

Step-by-step explanation:

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3 years ago

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If W(-10, 4), X(-3, -1), and Y(-5, 11) classify ΔWXY by its sides. Show all work to justify your answer.

solniwko [45]

Given:

The vertices of ΔWXY are W(-10, 4), X(-3, -1), and Y(-5, 11).

To find:

Which type of triangle is ΔWXY by its sides.

Solution:

Distance formula:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Using distance formula, we get

$WX=\sqrt{(-3-(-10))^2+(-1-4)^2}$

$WX=\sqrt{(-3+10)^2+(-5)^2}$

$WX=\sqrt{(7)^2+(-5)^2}$

$WX=\sqrt49+25}$

$WX=\sqrt{74}$

Similarly,

$XY=\sqrt{\left(-5-\left(-3\right)\right)^2+\left(11-\left(-1\right)\right)^2}=2\sqrt{37}$

$WY=\sqrt{\left(-5-\left(-10\right)\right)^2+\left(11-4\right)^2}=\sqrt{74}$

Now,

$WX=WY$

So, triangle is an isosceles triangles.

and,

$WX^2+WY^2=(\sqrt{74})^2+(\sqrt{74})^2$

$WX^2+WY^2=74+74$

$WX^2+WY^2=148$

$WX^2+WY^2=(2\sqrt{37})^2$

$WX^2+WY^2=WY^2$

So, triangle is right angled triangle.

Therefore, the ΔWXY is an isosceles right angle triangle.

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3 years ago