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postnew [5]
3 years ago
15

R - 17.1 = -4.8

Mathematics
1 answer:
denis-greek [22]3 years ago
7 0

<u><em>Answer: r=12.3 *The answer must have a  positive sign or decimal point.*</em></u>

Explanation:

First, you had to do is add 17.1 from both sides of an equation.

r-17.1+17.1=-4.8+17.1

And then, simplify by equation.

17.1+-4.8=12.3

You can also add by the numbers.

12.3+4.8=17.1

r=12.3

Hope this helps!


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Answer:

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Step-by-step explanation:

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The Basketball team sets a goal of having at least a 7:2 Win Loss Ratio. If they play 36 games in a season, how many games must
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The answer is 28
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4 0
2 years ago
I don't understand how to do this problem.
Delicious77 [7]
Answers: 

x = 4
EF = 14
CF = 7
EC = 7

-------------------------------------------------------------
-------------------------------------------------------------

Work Shown:

C is the midpoint of segment EF. This means that EC = CF. In other words, the two pieces are congruent. 

Use substitution and solve for x
EC = CF
5x-13 = 3x-5
5x-13+13 = 3x-5+13
5x = 3x+8
5x-3x = 3x+8-3x
2x = 8
2x/2 = 8/2
x = 4

Now that we know that x = 4, we can use this to find EC and CF

Let's compute EC
EC = 5x - 13
EC = 5*x - 13
EC = 5*4 - 13 ... replace x with 4
EC = 20 - 13
EC = 7

Let's compute CF
CF = 3x - 5
CF = 3*x - 5
CF = 3*4 - 5 ... replace x with 4
CF = 12 - 5
CF = 7

As expected, EC = CF (both are 7 units long).

By the segment addition postulate, we can say EC+CF = EF

EC+CF = EF
EF = EC+CF
EF = 7+7
EF = 14
8 0
3 years ago
Need to know how to measure the radius of m
denis-greek [22]

Answer:

B. 7.4 units

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If M is the center then radius is just distance from M to outer edge.

4 0
2 years ago
Using the segment addition postulate, which is true? AB + BC = AD AB + BC = CD BC + CD = AD BC + CD = BD
juin [17]
Answer:

BC + CD = BD

hope it helps

------------------------
7 0
3 years ago
Read 2 more answers
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