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zaharov [31]
3 years ago
14

Help asap i will upvote

Mathematics
1 answer:
agasfer [191]3 years ago
6 0
Let x be the unknown amount of child tickets 
Let 450 - x be the unknown amount of adult tickets (This is because the total amount subtracted from the child tickets can only be the adult tickets since there are no other tickets)

2x+5(450-x)=1800

(2x because each child ticket cost $2 and same for the adult tickets. Each adult ticket cost $5. So, the sum must be 1800.)

Simplify the equation.


2x+5(450-x)=1800   *Distribute*

2x+2250-5x=1800   *Combine like terms. (2-5=-3)*

-3x + 2250 = 1800    *Move constants and variables to opposite sides*
       -2250      -2250
---------------------------
-3x=-450                     *Divide by 3 to isolate the variable*
----  ------
-3     -3

x=150

So, there are 150 child tickets. To find adult tickets, just subtract children tickets from the amount of tickets bought (450-150) to get 300 adult tickets sold.


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Erik correctly rounds three numbers. One and StartFraction 7 over 29 EndFraction rounds to 1 One and five-sixths rounds to 2 0.1
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From greatest to least

One and five-sixth rounded to 2

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From greatest to least

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One and StartFraction 7 over 29 rounded to 1

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7 0
3 years ago
I need to now why won’t I rank up I have 1500 points and 10/10 brainliest and I need to now why won’t I rank up to expert
irinina [24]

Answer:

it was doing that to me too, you just have to keep answering and eventually it will come i was waiting a week on virtuoso with all the points and brainliest i needed

Step-by-step explanation:

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3 years ago
Read 2 more answers
AngleB =<br> Round your answer to the nearest hundredth.<br> А<br> 5<br> ?<br> B<br> С<br> 4.
Zarrin [17]

Answer:

B=36.87

Step-by-step explanation:

As we are given the adjacent (a) side and the hypotenuse (h), we can use the cosine function to find the measure of angle B.

Recall that cos(B)=\frac{a}{h}

This means that in order to find B, we need to take the inverse of cosine

This gives us

B=cos^{-1} (\frac{4}{5} )

From a calculator, we find that the answer of this is

B=36.869

When this is rounded to the nearest hundredth, we get

B=36.87

3 0
3 years ago
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