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VMariaS [17]
3 years ago
9

Need to solve 5t-2r=25 for t

Mathematics
1 answer:
postnew [5]3 years ago
7 0
5t = 25+2r
t = (25+2r)/5 or
t = 5 + (2/5)r
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A board game that normally costs $30 is on sale for 25 percent off. What is the sale price of the game?
Paha777 [63]

We can use two different ways to solve this equation:

Because the board is 25 off, we can multiply the price and subtract the result:

30 - 0.25(30) = 30 - 7.5 = $22.50

We can also solve by multiplying the total price by 0.75

(1 - 0.25)(30) = 0.75(30) = $22.50

The sales price is $22.50

4 0
3 years ago
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At pizza hut, 9% of the pizzas made last night had extra cheese. if 27 pizzas has extra cheese, how many pizzas in all were made
True [87]
Answer: 300

You need to change 9% into a decimal so it would be 0.09

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3 0
2 years ago
the length of a rectangular building is 6 feet less than 3 times t he width. The perimeter is 120 feet. Find the width and the l
garri49 [273]
Call the width x.  Note that the length is 3x-6.  We know that double the width plus double the length is 120, so we write an equation:

2(x)+2(3x-6)=120
2x+6x-12=120
8x-12=120
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x=16.5
If x is 16.5, the width is 16.5, and the length is 3 \cdot 16.5 - 6 = 43.5.
5 0
3 years ago
Admission for a water park is 17.50$ per day a seson pass cost 125$. How many days must you go to the water park to make buying
Lemur [1.5K]

(17.5)(x)=125

Divide each side by 17.5 leaving the equation as x=7.14

6 0
3 years ago
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A hot air balloon is traveling at a altitude of 2400 feet. It begins to descend at a rate of 75 per minute. What is an expressio
irina1246 [14]

Answer:

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Step-by-step explanation:

y is the height

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2400 is your starting value/y intercept

not very good explanation but hope this helps

7 0
3 years ago
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