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4 years ago

15

What is the formula for midpoint, perpendicular slope, and equation of a perpendicular bisector

1 answer:

LUCKY_DIMON [66]4 years ago

5 0

This are the formulas hope they help

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Is 5a-9b+a-6b equal to 6a-15?

pashok25 [27]

Surely not;
5a+a-9b-6b
6a-15b
So,
5a-9b+a-6b=6a-15b
It's not equal to 6a-15

7 0

3 years ago

Jada bikes 2 miles in 12 minutes.

drek231 [11]

A 1/6 miles per minute

6 0

3 years ago

Read 2 more answers

Fred and Victoria provide the following proofs for vertical angles to be equal:

mart [117]

Answer should be <span>Both Fred's and Victoria's proofs are correct.</span>

8 0

4 years ago

Read 2 more answers

Betsy is saying for a bird cage. She saves $1 the first week, $3 the second week, $9 the third week, and so on. All together how

Zigmanuir [339]

Answer:

Betsy will save $121 in 5 weeks.

Step-by-step explanation:

We can see that Betsy's savings are 3 times the saving of her last week. We can see that this is an geometric sequence as 1,3,9,..

To find the sum of our geometric sequence we will use $S_{n}=a\cdot \frac{1-r^{n}}{1-r}$ , where n is number of terms we are taking sum of, a is first term of sequence and r is common ratio of the sequence.

$S_{5}=1\cdot \frac{1-3^{5}}{1-3}$

$S_{5}=\frac{1-243}{-2}$

$S_{n}=\frac{-242}{-2}=121$

Therefore, Betsy will save $121 in 5 weeks.

8 0

3 years ago

4-(2x-3)=3 what is value of x

VARVARA [1.3K]

Answer:

x=2

Step-by-step explanation:

4-(2x-3)=3

2x-3=4-3

2x-3=1

2x=1+3

2x=4

x=4/2

x=2

4 0

4 years ago