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4 years ago

Guys please help me I don't understand. This is due today

Mathematics

1 answer:

Katyanochek1 [597]4 years ago

8 0

x = 3y because of corresponding angles theorem

y = x/3

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A map of a public park shows a circular pond. There is a bridge along a diameter of the pond that is 0.55 mi long. You walk acro

Wewaii [24]

Answer:

The circumference of a circle is pi times diameter, so half-way around the pond is (1/2)pi times diameter.

The difference between walking around the pond and walking across the bridge is: 1.57d - d = 0.57d

Plug in diameter of 0.25

0.25*0.57 = 0.14 miles

Step-by-step explanation:

3 0

4 years ago

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Someone Please Help Quickly! Its an Easy Question

Paul [167]

Answer:

$y=\frac{2}{3}x-6$

Step-by-step explanation:

Use the slope-intercept form:

$y=mx+b$

m is the slope and b is the y-intercept. Looking at the graph, you can find the y-intercept. The y-intercept is the point where x equals 0:

$b=-6$

$y-intercept=(0,-6)$

To find the slope, take any two points from the line:

$(6,-2)(3,-4)$

Use the slope formula for when you have two points:

$\frac{y_{2}-y_{1}}{x_{2}-x_{1}}=\frac{rise}{run}$

The rise over run is the change in the y-axis over the change of the x-axis. Insert the appropriate values:

$(6(x_{1}),-2(y_{1})\\(3(x_{2}),-4(y_{2})$

$\frac{-4-(-2)}{3-6}$

Simplify parentheses (two negatives makes a positive):

$\frac{-4+2}{3-6}$

$\frac{-2}{-3}$

Simplify (two negatives make a positive):

$m=\frac{2}{3}$

The slope is $\frac{2}{3}$ and the y-intercept is $-6$ . Insert these into the equation:

$y=\frac{2}{3}x-6$

Finito.

7 0

3 years ago

Which of the following is the additive inverse of 1/2 ? 2 -2 -1/2

lara [203]

Answer:

-1/2

Step-by-step explanation:

It's the exact opposite. aka the negative version of the number.

3 0

3 years ago

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Simplify the following expression: (sin x + cos x)^2

guajiro [1.7K]

Answer:

1 + sin2x

Step-by-step explanation:

Given

(sinx + cosx)² ← expand using FOIL

= sin²x + 2sinxcosx + cos²x

[ sin²x + cos²x = 1 and sin2x = 2sinxcosx ]

= 1 + sin2x

4 0

3 years ago

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X/6=x/7-5 Please show work thank you so much!!

stiv31 [10]

Step-by-step explanation:

hope u like it plz follow and give thanks

5 0

3 years ago