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3 years ago

12 is what percent of 14?

Mathematics

1 answer:

pentagon [3]3 years ago

8 0

Answer:

12 is 85.714285714286% of 14.

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Polygon ABCD is dilated by a scale factor of 2 with the center of dilation at the origin to create A'B'C'D'. If the endpoints of

Sonja [21]

The distance formula is given by $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Take point A(0, -7) as (x₁, x₂) and point B(8, 8) as (y₁, y₂)

Distance AB = $\sqrt{(8-0)^2+(8--7)^2}$
Distance AB = $\sqrt{8^2+15^2}$
Distance AB = $\sqrt{289}$
Distance AB = 17

The line AB is dilated to A'B' by scale factor of 2, it means the length of the line is multiplied by 2

Distance A'B' = 2 × 17 = 34 units

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3 years ago

Please help the picture is

asambeis [7]

The walls are vertical so the angle opposite X would be a right angle which is 90 degrees.

X would be 180 - 90 - 35 = 55 degrees

X and 2y - 5 are complementary angles which add together to equal 90:

2y - 5 + 55 = 90

Simplify:

2y +50 = 90

Subtract 50 from both sides:

2y = 40

Divide both sides by 2:

y = 20

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Need help with my homework plz

PilotLPTM [1.2K]

Answer:

third answer choice

Step-by-step explanation:

√ 98 square root is 7√2, a irrational number.

add 5

5+7√ 2, irrational

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3 years ago

PLEASE ANSWER ASAP 10 points! If a scale factor between zero and one is used, the dilation will shrink the pre-image. True or fa

Ipatiy [6.2K]

True, because if you add pi (3.14) to 0, you get the result 34.234, which is also the result of the formula which is used to shrink the dilation AND the pre-image.

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The vertices of ΔABC are A(2, -5), B (-3, 5), and C (3, -3). The triangle is reflected over the x-axis. Use arrow notation to de

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Reflected over the x-axis: $A'(2,-5),B'(-3,-5),C'(3,3)$ . Hence, the original triangle is described by A'B'C'.

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