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xz_007 [3.2K]
3 years ago
14

Write three equivalent ratios for each ratio 18/6 , 5/45 , 3/5

Mathematics
2 answers:
xxTIMURxx [149]3 years ago
7 0
18/6 = 3/1 = 6/2 = 9/3

5/45 = 1/9 = 2/18 = 3/27

3/5 = 6/10 = 9/15 = 12/20
cricket20 [7]3 years ago
7 0
18/6=6/2, 3/1, 36/12
5/45=1/9, 10/90, 20/180
3/5=15/25, 6/10, 24/40
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Multiply the fractions. Write your answers in simplest form. 1/2 x 2/5
zepelin [54]
First make it that both denominators are the same.
(\frac{1}{2}  \times 5) + ( \frac{2}{5} \times 2) =  \frac{5}{10}  +  \frac{4}{10}
Then add both numerators
\frac{5}{10}  +  \frac{4}{10}  =  \frac{9}{10}
Your final answer should be
\frac{9}{10}
6 0
3 years ago
Read 2 more answers
What is the value of a in the equation 3a + b = 54, when b = 9?
nasty-shy [4]
In order to do this you have to substitute b with 9 and get 3a+9=54, now subtract 9 from both sides to leave a by itself and get 3a=45, now divide 3 in both sides to leave a by itself and get a=15

Hope this helps
4 0
3 years ago
What is the square root of –16?<br><br><br><br> –8i<br><br> –4i<br><br> 4i<br><br> 8i
Ad libitum [116K]

we know that

i^{2} =-1

we have

\sqrt{-16} =\sqrt{(-1)*(16)} =\sqrt{(-1)*(4^{2})}

substitute the value of i^{2}=-1 in the expression above

\sqrt{(-1)*(4^{2})}=\sqrt{i^{2}*4^{2}} \\ \\= 4i

therefore

<u>the answer is</u>

4i


7 0
3 years ago
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BRAINLIESTTTT ASAP!!!!
liq [111]
The answer to this question is :
Part A
((3x+7)+(4x-2))x
(3x+7)+(4x-2): 7x+5
x(7x+5)

Part B
((3x+7)*(4x-2))x
x(12x²+22x-14)
12x³+22x²-14x

Part C
(3x+7)[4x-2(x)]
4x-2(x)
4x-2x
2x
2x(3x+7)


I hope this helps!!!!!!!
3 0
3 years ago
Plz help me and explain how you got the answer
Reptile [31]
So first (3 1/2) equals to 3+1/2 which is 7/2, same for(2 1/3), 2+1/3=7/3. It's asking for speed in laps per minute, so like how many labs did she swim per minute, which is labs over time——(7/2)/(7/3)=(7/2)*(3/7)=3/2. So she swam 3/2 labs per minute.
6 0
3 years ago
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