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3 years ago

PLEASE HELP ME

Mathematics

2 answers:

pav-90 [236]3 years ago

5 0

Converse I think but I’m not sure

Helga [31]3 years ago

4 0

Answer:

converse

Step-by-step explanation:

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(02.01 LC)

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Angle C prime D prime and A prime

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Shelia mixed 3 ounces of blue paint with 2 ounces of yellow paint she decided to creat 20 ounces of the same mixture. How many o

Nookie1986 [14]

She’s basically repeating the process over with the same numbers, so just add up 3 and 2 how many ever times to get 20 and then add the 5 and divide.

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3 years ago

Find the equation of the line that is perpendicular to the line

ddd [48]

Answer:

$y=-x+16$

Step-by-step explanation:

Hi there!

What we need to know:

Linear equations are typically organized in slope-intercept form: $y=mx+b$ where m is the slope and b is the y-intercept (the value of y when x is 0)
Perpendicular lines always have slopes that are negative reciprocals (ex. 3 and -1/3, 5/6 and -6/5, etc.)

1) Determine the slope (m)

y=x-9

Rewrite the equation

y=1x-9

Now, we can identify clearly that the slope of the line is 1. The negative reciprocal of 1 is -1, so therefore, the slope of a perpendicular line would be -1. Plug this into $y=mx+b$ :

$y=-1x+b\\y=-x+b$

2) Determine the y-intercept (b)

$y=-x+b$

Plug in the given point (7,9) and solve for b

$9=-7+b$

Add 7 to both sides to isolate b

$9+7=-7+b+7\\16=b$

Therefore, the y-intercept is 16. Plug this back into $y=-x+b$ :

$y=-x+16$

I hope this helps!

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2 years ago

Which expression is equivalent to –21.8 – (–18.3)?

Rina8888 [55]

Answer:

–21.8 – 18.3

Step-by-step explanation:

because you keep change flip

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2 years ago

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For the next three problems, evaluate each expression if x= -2, y=4, and z=-3

Dafna1 [17]

Exponent rule : n^-x = 1/n^x
1.) (4 - 2(-2))^ -2 = (4 + 2)^-2 = 6^-2 = 1/6^2 = 1/36

2.) (y - z) ^-3 = (4 - (-3))^-3 = (4 + 3)^-3 = 7^-3 = 1/7^3 = 1/343

3.) (-2 - 5(4)^0 = (-2-20)^0 = -22^0 = 1 (any number to the 0 power is 1)

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3 years ago