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hichkok12 [17]
3 years ago
6

HELP ME ASAP

Mathematics
1 answer:
kompoz [17]3 years ago
4 0
F + 2/9 = 9 * 9 + 1/9
f + 2/9 = 81 + 1/9
f + 2/9 = 82/9
f = 82/9 - 2/9
f = 80/9

Since the answer choices seem to be mixed fractions, lets make 80/9 into one of them to get our answer.

9 divided by 80
9 divided by 80 is 8 with a remainder of 8
Now lets make it a mixed fraction

8 8/9

Answer: A)

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A 20-gallon container is filled halfway with a mixture that is $90\%$ vinegar and $10\%$ water. How many gallons of water must b
Yuki888 [10]

Answer:

5 gallons of water must be added.

10 gallons to start with

adding 'x' gallons of water      final volume = 10 + x

.9 (10) = amount of vinegar

.1(10) = amount of water

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.9(10) = .6(10+x)  

9 = 6 + .6x

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(i truly hope i helped you

8 0
2 years ago
Sal's Sandwich Shop sells wraps and sandwiches as part of its lunch specials. The profit on every sandwich is $2, and the profit
Mademuasel [1]

<u>Answer:</u>

y = -\frac{2}{3}x + 490

gradient = = -\frac{2}{3}

y-intercept = 490

<u>Step-by-step explanation:</u>

• The slope-intercept form of an equation takes the general form:

\boxed{y = mx + c},

where:

m = slope,

c = y-intercept.

• We are given the equation:

2x + 3y = 1470

To change this into the slope-intercept form, we must make y the subject:

3y = -2x + 1470          [subtract 2x from both sides]

⇒ y = -\frac{2}{3}x + \frac{1479}{3}        [divide both sides by 3]

⇒ y = -\frac{2}{3}x + 490

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m = -\frac{2}{3}

c = 490.

This means that the gradient is \bf -\frac{2}{3}, and the y-intercept is \bf 490.

6 0
2 years ago
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shusha [124]
60=12\times5\\48=12\times4\\\\therefore:\\\\60+48=12\times5+12\times4=\boxed{12\times(5+4)}
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Read 2 more answers
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Ilya [14]

Answer:

you do it yourself

Step-by-step explanation:

3 0
3 years ago
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