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Volgvan
3 years ago
6

Help me !! Will mark brainlest

Mathematics
1 answer:
Mkey [24]3 years ago
6 0
(x+24)*3=186
x+24=186/3
x+24=62
x=38$ x-the price of the ticket
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Andre’s school orders some new supplies for the chemistry lab. The online store shows a pack of 10 test tubes costs $4 less than
navik [9.2K]

10t = b - 4

12b+8t = $348

This is a system of equations. I’ll be solving through substitution.

In the first equation. solving for b (the easier variable to isolate) gives you:

b = 10t + 4

Substitute this into the second equation:

12(10t+4) +8t = 348

120t+48+8t = 348

128t = 300

t = 2.34375 —> round it to the nearest cent to get 2.34 dollars

b = 10t+4

b = 10(2.34)+4

b = 27.4 dollars

4 0
3 years ago
Mei puts 600.00 in an account to use for school expenses . The account earns 10% interest , compound quarterly. How much interes
ExtremeBDS [4]
She would have $960.

Hope this helped:D

8 0
3 years ago
3-4/5X-2/3–3/15+3/5divided by -3/2
deff fn [24]

Answer:

-2(6x-13)/15

Step-by-step explanation:

This is done by simplifying the expression as well as combining like terms

4 0
3 years ago
The buying price is $10 and the markup is 80% of the buying price what is the markup?
KATRIN_1 [288]
$10 * .8 = $8 that's it
8 0
3 years ago
We are currently learning triangle similarity and about dilations in geometry. We have been using cross multiplying to figure th
miss Akunina [59]
Took me a minute to think.

Form ratios.

x, the small triangle, forms a ratio with 6, the big triangle.

The part of the side that is equal(with the dash) that is part of the small triangle is equal to 6-x, the big triangle.

Yes, you can cross-multiply here!

\frac{6}{x}  =  \frac{8}{6-x}

<em>Now,</em><em> </em>cross multiply.
P.S. Use distributive property.

36-6x = 8x

Add 6x on both sides.

36=14x

Divide by 14 on both sides.

x = \frac{36}{14} = \frac{18}{7}



4 0
3 years ago
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