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Salsk061 [2.6K]
3 years ago
7

Please answer numbers 13 14 and 15

Mathematics
1 answer:
AlekseyPX3 years ago
3 0
13. it's > because 18,000g = 18kg and that's greater
14.8.456L = 8456ml so it's < 9L
15.2m = 200cm which is < 275cm
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Select the correct choice below and fill in any answer boxes in your choice
soldier1979 [14.2K]

So we need to solve:

\frac{13}{y}+\frac{5}{y}=3

First is important to note that both terms on the left side of the equation have a common factor because they are both divided by y. Then:

\begin{gathered} \frac{13}{y}+\frac{5}{y}=\frac{1}{y}(13+5)=3 \\ \frac{13+5}{y}=\frac{18}{y}=3 \end{gathered}

Then:

\begin{gathered} \frac{18}{y}=3 \\ 18=3y \\ \frac{18}{3}=y \\ y=\frac{18}{3}=6 \end{gathered}

So the solution is y=6. Then option A is correct and you need to write the 6 between the symbols { }.

4 0
1 year ago
Please help me find n. 1/3=n+3/4
raketka [301]

Answer:

-5/12

Step-by-step explanation:

Let's solve your equation step-by-step.

1 /3  = n +  3 /4

Step 1: Flip the equation.

n +  3 /4  =  1/ 3

Step 2: Subtract 3/4 from both sides.

n+  3 /4  −  3/4   =  1/ 3  −  3 /4

n=  −5 /12

7 0
3 years ago
-286 divided by 457.6 what is the quotient?
kompoz [17]
The quotient is -0.625
3 0
3 years ago
Order the group of parabolas from widest to narrowest  y = 1/4x2, y = -1/2x2, y = 3/2x2
Marina86 [1]

widest to narrowest: y=3/2x2, y= -1/2x2, y= 1/4x2

7 0
4 years ago
Read 2 more answers
Does anybody know how to do this
Nitella [24]
Answer: B

Reason: Plugged it in in my Desmos app, it's free on the appstore and helps you solve for graphs !
7 0
3 years ago
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