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WINSTONCH [101]
3 years ago
15

The ratio of the number of B's to the number of C's is 15 - 20 write the ratio three different ways be sure to simplify

Mathematics
2 answers:
yaroslaw [1]3 years ago
6 0
15:20

15 to 20

15/20

3:4

3 to 4

3/4
Sergio [31]3 years ago
4 0
15:20 simplify 
3:5
3/5
3 to 5
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=
Savatey [412]

Answer: 8 hours

Step-by-step explanation: First, find the unit rate. For one hour of work, she earns 0.05263157894. Multiply this number 152.

4 0
3 years ago
What is the value of x? 140 34 56
olga55 [171]
I don’t know what you’re tying to say
3 0
3 years ago
Can someone please explain how to do these?
Pani-rosa [81]

Answer:

<u>First question answer:</u> The limit is 69

<u>Second question answer:</u> The limit is 5


Step-by-step explanation:

For the first limit, plug in x=8 in the expression (9x-3), that's the answer for linear equations and limits.

So we have:

9x-3\\9(8)-3\\72-3\\69

The answer is 69


For the second limit, if we do same thing as the first, we will get division by 0. Also indeterminate form, 0 divided by 0. Thus we would think that the limit does not exist. But if we do some algebra, we can easily simplify it and thus plug in the value x=1 into the simplified expression to get the correct answer. Shown below:

\frac{x^2+8x-9}{x^2-1}\\\frac{(x+9)(x-1)}{(x-1)(x+1)}\\\frac{x+9}{x+1}

<em>Now putting 1 in x gives us the limit:</em>

\frac{x+9}{x+1}\\\frac{1+9}{1+1}=\frac{10}{2}=5

So the answer is 5

3 0
3 years ago
9+8{7•6-5[4+(3-2•1)]}=?​
34kurt

Answer:

145

Step-by-step explanation:

Ⓗⓘ ⓣⓗⓔⓡⓔ

9+8{7*6-5[4+(3-2*1)}]}

9+8{7*6-5[4+1]}

9+8{7*6-25}

9+8{42-25}

9+136

145

(っ◔◡◔)っ ♥ Hope this helped! Have a great day! :) ♥

Please, please give brainliest, it would be greatly appreciated, I only a few more before I advance, thanks!

5 0
3 years ago
If angle A = 34°, angle B = (x-5)°, angle C = 4y °, what is the value of y?
nevsk [136]
180-34=146
146-5=141
ratio=1:4
1+4=5
141÷5=28.2
x=28.2
y=112.8

I may be wrong, ask for more opinions
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--- O
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4 0
3 years ago
Read 2 more answers
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