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2 years ago

Help Me!!! Find the difference (4 - 7m) - (-n + 2m -1)

Mathematics

1 answer:

Natalija [7]2 years ago

8 0

Answer:

− 9 m + n + 5

Step-by-step explanation

I did the quiz

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A circle has its center at (−2, 5) and a radius of 4 units. Find the equation of the circle using the Pythagorean Theorem.

Vesnalui [34]

The pythagorean theorem is only used for right triangles? however, you can find the equation with the info given. a circle is written as (x-h)^2+(y-k)^2=r^2. in this scenario, h=-2, k=5, and r=4.

Your final equation would be (x+2)^2+(y-5)^2=16

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3 years ago

HELP ME PLEASE ASAP

Mumz [18]

5p + 4g = 42.5
3p + 6g = 34.5 

15p + 12g = 127.5 
-6p - 12g = -69 
9p = 58.5 
p = 6.5 
g = 2.5 

popcorn = $6.50 
granola = $2.50
A is the answer

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3 years ago

Read 2 more answers

Use the bar graph to find the experimental probability of the event.

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Answer: where is the bar graph?

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3 years ago

A professor grades students on four tests, a term paper, and a final examination. Each test counts as 15% of the course grade. T

Dmitry [639]

Answer:

Marilee wants to earn an "A" in a class and needs an overall average of at least Her test grades are 88 , 92,100 , and 80 . The average of her quizzes is 90 and counts as one test grade. The final exam counts as 2.5 test grades. What scores on the final exam would result in Marilee's overall average of 92 or greater? (See Example 9

4 0

3 years ago

HDTV screens usually have a width-to -height ratio of 16:9. Which screen dimensions are in the same proportion?

love history [14]

Answer:

4 feet by 3 feet

Step-by-step explanation:

I think your question is missed of key information, allow me to add in and hope it will fit the original one.

Please have a look at the attached photo.

My answer:

width-to -height ratio of 16:9

Let analyse all possible answers:

4 feet by 3 feet

16 divided by 4 is the same as 9 divided by 3 => it is true

28 inches by 21 inches

16 divided by 28 is different as 9 divided by 21 => it is wrong

48 centimeters by 27 centimeters

16 divided by 48 is different as 9 divided by 27 => it is wrong

26 inches by 19 inches

16 divided by 26 is different as 9 divided by 219=> it is wrong

We choose A.

Hope it will find you well.

7 0

3 years ago