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Dafna11 [192]
3 years ago
9

Can someone help me please

Mathematics
1 answer:
Vika [28.1K]3 years ago
3 0

Answer:

15 - 17 = 0.013333 (1.3333%)

latte drop = 8.3%

gasoline = 9%

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I need help remembering the steps for 2x+5y=-7
dsp73
Get Y by itself so it' should look like this

5y=2x+7 after then you have divide 5 onto the right side and it should look like

Y=2/5x+7/5
7 0
4 years ago
True or false density is mass overv weight
borishaifa [10]

Answer:

true

Step-by-step explanation:

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3 0
3 years ago
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How many solutions does the system have? y = -2x-4 \\\\ y = 3x+3
lakkis [162]

Answer:

The system has one solution.

Step-by-step explanation:

We have two equations:

y = -2x - 4

y = 3x + 3

Equalling them:

y = y

-2x - 4 = 3x + 3

5x = -7

x = -\frac{7}{5}

And

y = 3x + 3 = 3(-\frac{7}{5}) + 3 = \frac{-21}{5} + 3 = \frac{-21}{5} + \frac{15}{5} = -\frac{6}{5}

Replacing in the other equation we should get the same result.

y = -2x - 4 = -2(-\frac{7}{5}) - 4 = \frac{14}[5} - 4 = \frac{14}{4} - \frac{20}{5} = -\frac{6}{5}

So the system has one solution.

3 0
3 years ago
Carol has eight and 4 3/4 yard of material do you need to use 1/3 material to make a dress how many yards of material will she n
IgorLugansk [536]

Answer:

2 11/12

Step-by-step explanation:

(1/3)×(35/4=35/12=2 11/12 yards

3 0
3 years ago
explain your process of converting a mixed number to an improper fraction.explain your process of converting a improper fraction
Sophie [7]
So I'll start with the mixed number to improper fraction.
Step one - multiply the denominator and the whole number.
Step two- take your product and add it to the numerator
Step three- the sum is the numerator of the mixed number and the original denominator is the denominator
___________________________
Now for improper fraction to mixed number
Step one- see how many times the denominator goes into the numerator (ex. 2 goes into 9, 4 times With one left over)
Step two -the 4 becomes the whole number and the 1 the numerator
Step three- use the same denominator
5 0
3 years ago
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