3 years ago

Find the equation of the line , use exact numbers

Mathematics

1 answer:

MArishka [77]3 years ago

7 0

y=1/2x-3

typing this to take up space ignore this

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The parallelogram is reflected across the line y = x. Which of the following are coordinates of a vertex of the image?

Korvikt [17]

Answer:

$A'(1,-5)$

Step-by-step explanation:

The coordinates of the given quadrilaterals are

$A(-5,1),B(-4,3),C(-2,1),D(-3,-1)$

The reflection in the line $y=x$ has the mapping,

$(x,y)\rightarrow(y,x)$

We just have to swap the coordinates.

This implies that,

$A(-5,1)\rightarrow A'(1,-5)$

$B(-4,3)\rightarrow B'(3,-4)$

$C(-2,1)\rightarrow C'(1,-2)$

$D(-3,-1)\rightarrow D'(-1,-3)$

Therefore the correct answer is A.

$A'(1,-5)$

8 0

2 years ago

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In △ABC, m∠A=16°, m∠B=49°, and a=4. Find c to the nearest tenth.

xenn [34]

Answer:

= 8.33 inches

Step-by-step Explanation

First add 49 + 16, which equals 65, and subtract that result from 180, since a triangle equals 180 degrees and you find out angle C is equal to 115 degrees.

Now using the formula sinA/a = sinB/b = sinC/c, plug in values and you'd get the equation sin49 x 10/sin115. After solving the equation you'd get about 8.32729886047258 inches.

= 8.33

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3 years ago

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The equation t= 13p + 108 can be used to estimate the cooking time t in

Setler [38]

Answer:

Step-by-step explanation:

(285)=13p+108

177=13p

p= 13.62 lbs

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