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Sladkaya [172]
3 years ago
11

Someone who's good at math please help me!!!

Mathematics
1 answer:
timurjin [86]3 years ago
8 0
#1.
Here what you do is cross multiply.
\frac{8x}{13x}
#2.
Same as #1, just cross multiply.
\frac{9x}{12}

You get the gist?
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Combine Like Terms:<br> 2x + 3 - 5x + 8x + 3x2 + 2<br><br><br><br> Help please
Rufina [12.5K]

Answer:

14x + 5

Step-by-step explanation:

group all the varaibles with x

2x - 5x + 8x + 3x^2

-3x + 8x + 9x

5x + 9x

=14x

now the regular numbers

3 + 2

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now put them together to get

14x + 5

8 0
2 years ago
How can I solve this equation X-5=0.1(x+5)
Artist 52 [7]

Answer:

X=6.1

Step-by-step explanation:

x-5=0.1(x+5)

x-5=0.1x+0.5 (distribute 0.1)

x=0.1x+0.5+5 (add 5 to each side)

x-0.1x=5.5 (subtract 0.1x from each side)

0.9x=5.5 (combine like terms)

x=5.5/0.9 (divide by 0.9 on both sides)

x=6.1 (simplify)

5 0
3 years ago
Read 2 more answers
Solve for the value of x.<br> ABC<br> 20<br> 28<br> 9x-8
Marizza181 [45]

28+20+9x-8=180

48+9x-8=180

9x=180-40

9x=140

×=15.56

6 0
2 years ago
Emily spent 1/2 of her money at the grocery store.Then, she spent 1/2 of what was left at the bakery. Next, at the music store,
Artist 52 [7]
I believe the answer is $48 because 6 * 2 is 12 and 12 * 2 is 24 and 24 * 2 is 48, thus 48$. Please feel free to check my work, though.
4 0
3 years ago
you get a 1 dollar coupon for every 3 salads you buy. What is the least number of salads you could buy to get 10 dollars in coup
miskamm [114]

Answer:

30 salads.

Step-by-step explanation:

If you can get a dollar coupon for 3 salads

You can just multiply it by 10 to get ten dollars for 30 salads

6 0
3 years ago
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