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eimsori [14]
3 years ago
6

Tickets to a school basketball game cost $4 for students and $7 for adults. At the end of the night, 168 tickets are sold for a

total of $861. How many tickets are sold
Mathematics
1 answer:
stepan [7]3 years ago
3 0
4s+7a=861
s+a=168

This can be solved using either elimination or substitution. I am going to use substitution.

Solve s+a=168 for s
s=168-a

Replace 168-a for s in 4s+7a=861
4(168-a)+7a=861
672-4a+7a=861

Solve for a
672+3a=861
3a=189
a=63

Substitute 63 for a in s=168-a
s=168-63=105

So, s=105 student tickets and a=63 adult tickets
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pychu [463]

The situation that represents the expression 2 - 5 is (a) the temperature was 2°C and has decreased by 5°C

<h3>How to determine the situation?</h3>

The expression is given as:

2 - 5

When the expression illustrates change in temperature, the interpretation can be:

An initial temperature of 2°C decreases by 5°C

Hence, the situation that represents the expression 2 - 5 is (a) the temperature was 2°C and has decreased by 5°C

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A survey showed that 7/15 of a class liked soccer and 2/5 liked baseball. Which sport was liked LESS?
vichka [17]
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3 years ago
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What is the center and radius of -10x = -121 - y2 - x2 -22y
OlgaM077 [116]

We need to find the center and the radius of

-10x\: =\: -121\: -\: y^2\: -\: x^2\: -22y

The general circle equation is the following

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where

(h,k) is the center and

r is the radius

1. rearrange the equation

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2. Add 25 on both sides

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3. Factor

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Now we have an equation that is very similar to the circle equation, so let's compare them

Center -> (h,k) = (5,-11)

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8 0
1 year ago
May someone do this for me I don’t under the top part only but you can do the bottom if you feel like it the first gets branlist
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4 0
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inna [77]
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