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Aleks04 [339]
3 years ago
13

What is negative 13/7 minus negative 5/7 as a fraction

Mathematics
2 answers:
Monica [59]3 years ago
5 0
-13/7 - (-5/7)
-13/7 +5/7
Find the LCM
The LCM is 7
-13+5 all divided by 7
-8/7
Nimfa-mama [501]3 years ago
4 0

Answer:

-8/7

Step-by-step explanation:

13-7. 8

--------- = --

7

7

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2. At the local park, there is an annual fair that
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Answer:

132 children and 88 adults

Step-by-step explanation:

let x represent the amount of kids and y represent the amount of adults.

since the problem says there was a total of 220 people at the fair an equation can be made

x+y=220

the problem tells that each childrens ticket was 1.5$ and each adult ticket was $4 and that a total of $550 was made that day, we can use the knowledge to make an equation:

1.5x + 4y = 550

using the equations we can make this systems of equations:

1.5x + 4y =550

x + y =220

solve the systems of equations by subracting y on both sides of th bottom equation:

x=220-y

since x is equivant to 220-y it can be substitued for x in the first equation to make this:

1.5(220-y)+4y =550

--solve for y--

y=88  - there were 88 adults

substute 88 for y in the second equation

x+88=220

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x=138 - there were 132 children

7 0
3 years ago
3.3002x10^23 how can you solve this?
raketka [301]
<span> 16501 (10^23) • 16501/5000
</span><span> 2.1     10 = 2•5 </span>

<span>(10)^23 = (2•5)^23 = 2^23 • 5^23</span>

<span> 16501 (2^23•5^23) • 16501/5000

</span>
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