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3 years ago

14

Can someone please help me find the sum of each interior angle measure of the polygon, and can you please explain. I need help o

n both of these questions.

1 answer:

vredina [299]3 years ago

4 0

Answer:

what are the measures

Step-by-step explanation:

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Which point below would you use with the point (-2, -5) to get a line with a slope of -1?

12345 [234]

Answer:

$\displaystyle (-1, -6)$

Step-by-step explanation:

Find the <em>rate of change</em> [<em>slope</em>]:

$\displaystyle \frac{-y_1 + y_2}{-x_1 + x_2} = m \\ \\ \frac{5 - 6}{2 - 1} = -\frac{1}{1} = -1$

I am joyous to assist you anytime.

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3 years ago

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Jill is buying new appliances. The cost of the dishwasher is $459 and the cost of the microwave is $289. What is the total price

romanna [79]

Answer:

$800.36

Step-by-step explanation:

429+289=748

7% of 748= 52.36

748 + 52.36=800.36

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3 years ago

Y = x² - 4x convert from standard to vertex form

Pepsi [2]

Answer:

$y = (x-2)^{2} -4$

Step-by-step explanation:

To complete the square: add 4 to both sides because the product of 4 as 2 as the factor which 2 * 2 so $2^{2}$

$y + ? = x^{2} - 4x + ?$

$y + 2^{2} = x^{2} - 4x + 2^{2}$

$y + 4 = x^{2} - 4x + 4$

Now we can factor the expression

$y + 4 = (x-2)^{2}$

Move the 4 to the other side to isolate y which changes the sign

$y = (x-2)^{2} - 4$

6 0

2 years ago

Find an equation of the line perpendicular to y = -1/2x – 3 that crosses the point

alisha [4.7K]

Answer:

<em>y = 2x + 4 </em>

Step-by-step explanation:

y = - $\frac{1}{2}$ x - 3

Slope of perpendicular line is "2"

( - 3 , - 2 )

y + 2 = 2( x + 3 )

<em>y = 2x + 4</em>

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3 years ago

Help please, not sure how to do this...

olga nikolaevna [1]

Answer:

8.38

Step-by-step explanation:

The underlined number is in the hundredths place, so that means that we're going to round there. That means that you look at the number to its right and if it's lower than 5, it stays the same. However, if it's 5 or higher, you round it up. For example, if the number was 8.386, we would round it to 8.39.

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3 years ago