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Usimov [2.4K]
3 years ago
7

Michael and 3 friends went to manny's pizza for lunch and their meal cost $32. If they left $4.80 for a tip what percent of thei

r Bill did they leave as a tip? Show work please ​
Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
6 0

Answer:

15%

Step-by-step explanation:

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What is 0.95 rounded to the nearest hundread?
sasho [114]

0.95 rounded to the nearest hundredth (I assume that's what you mean) would still be 0.95. Since I saw your other question, I think you're looking for 0.095 rounded to the nearest hundredth, which is 0.10.
8 0
2 years ago
What will you get if you do this <br><br> 4x-3x+9=20
nignag [31]

Answer:

This can be solved like this:

4x-3x+9=20

<em>Solving 4x-3x</em>

x+9=20

Transposing +9

x=20-9

And now we have, x=11

5 0
2 years ago
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Do any of y’all know how to do number 7?
valentinak56 [21]

Answer:

f(-3) = 2

f(-1) = 2

f(8) = 1

Step-by-step explanation:

Yep! For any function f(x), you find the y value corresponding the x value. For example, in this question, it asks us to find f(-3). Therefore, you go to the line, x = -3, and see where it intersect the function (the y value). Your answer would be the y value.

The value corresponding to f(-3) seems to be 2.

The value corresponding to f(-1) seems to be -2.

The value corresponding to f(8) seems to be 1.

5 0
3 years ago
Gabriella drives her car 320 miles and averages a certain speed. If the average speed has been 6 miles less she could have trave
arsen [322]

Answer:

Her average speed is 48 miles per hour.

Step-by-step explanation:

We solve this question using a system of equations.

The speed equation is:

s = \frac{d}{t}

In which s is the speed, d is the distance, and t is the time.

Gabriella drives her car 320 miles and averages a certain speed.

So d = 320

Then

s = \frac{320}{t}

If the average speed has been 6 miles less she could have traveled only 280 miles in the same length of time.

So, which s - 6, d = 280.

s - 6 = \frac{280}{t}

From the first equation:

s = \frac{320}{t}

st = 320

t = \frac{320}{s}

Replacing:

s - 6 = \frac{280}{t}

s - 6 = \frac{280}{\frac{320}{s}}

320(s - 6) = 280s

320s - 1920 = 280s

40s = 1920

s = \frac{1920}{40}

s = 48

Her average speed is 48 miles per hour.

6 0
3 years ago
Carl needs 2 2/3 cups of flour to make a certain cake. He has only 3/8 cup of flour in the pantry. How many more cups of flour d
rodikova [14]
First you want to convert the cups of flour so that they have common denominators:

2 2/3 = 2 16/24
3/8 = 9/24

The subtract! 2 16/24 - 9/24 = 2 7/24 cups
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3 years ago
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