2 years ago

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Mathematics

1 answer:

Nesterboy [21]2 years ago

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1. F
2. C
3. B
4. A
5. D
6. E

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Find the equation of the line in slope-intercept form that passes through the following point with the given slope. Simplify you

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Step-by-step explanation:

y + 11 = -8(x - 9)

y + 11 = -8x + 72

y = -8x + 61

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What is the area of the trapezoid? 3 cm 9 cm 10 cm 9 cm square centimeters

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aflati masurile a doua unghiuri complementare stiind ca masura unuia dintre ele este cu 18° mai mica decat triplul masurii celui

Ahat [919]

Answer:

The angle is "27 and 63".

Step-by-step explanation:

Let A and B are two angles, in which A is " $\frac{1}{2}$ " complementary angles and B be is another complementary angle.

Condition of complementary angle :

$A+B =90 ......(i)$

Solution:

$\ A = \ 3B - 18 \\\\ \ put \ the \ value \ of \ A \ in \ equation.....(i) \\\\ \ Equation: \\ \\\Rightarrow \ A\ +\ B \ =\ 90 \\\\\Rightarrow \ 3B\ -\ 18 \ + \ B \ = \ 90 \\\\\Rightarrow \ 4B \ = \ 90 +18 \\\\\Rightarrow \ 4B = 108 \\\\ \Rightarrow B = \frac{108}{4} \\\\ \Rightarrow B \ = \ 27\\$

$\ put \ the \ value \ of \ B \ in \ equation (i).\\\\ \ Equation: \\\\\Rightarrow A+B=90\\\\\Rightarrow A+27=90\\\\\Rightarrow A=90-27\\\\\Rightarrow A= 63$

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3 years ago

Steve cut a circular piece of mirror glass with the diameter of 20 cm in order to make a frame for it he needed to calculate the

Marianna [84]

Answer:

The circumference is 62.8 cm.

Step-by-step explanation:

To find the circumference, use 3.14 * 20 = 62.8

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3 years ago

What does coincides mean in geometry

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Answer:

Two lines or shapes that lie exactly on top of each other. Example: these two lines are coincident, only you can't see them both, because they are on top of each other.

Step-by-step explanation:

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3 years ago