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Ivanshal [37]
2 years ago
14

When completing addition and subtraction, according to the order of operations you should always complete the addition first. Is

that true or false?
Mathematics
1 answer:
Art [367]2 years ago
5 0

False. You have to do it left to right or you can do it in a different order but you can't change the signs.

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A paint mixture was formed by mixing exactly 3 colors of paint. By volume, the mixture was x% blue paint, y% green paint, and z%
sergeinik [125]

Answer:

Both statements are sufficient to answer the question

Step-by-step explanation:

Given:

- The paint mixture has following proportions:

 Total volume of paint = T

 Blue:  x*T / 100

 Green: y*T/100

 Red: z*T/100

Find:

Statement 1: x = y

Statement: z = 60

Which of the above statement is sufficient to calculate the amount of green paint used

Solution:

Statement 1:

- The amount of blue paint used is:

                    1 gallon = x*T / 100

- x = y,

                    1 gallon = y*T / 100

Hence,

                    Amount of green paint used is 1 gallon

- The statement is sufficient

Statement 2:

- The amount of red paint used is:

                    3 gallon = z*T / 100

                    T = 300 / z = 300 / 60 = 5 gallons

                    T = R + B + G

                    G = T - R - B

                    G = 5 - 3 - 1

                    G = 1 gallons

Hence,

                    Amount of green paint used is 1 gallon

- The statement is sufficient

5 0
3 years ago
5. Which expression is equivalent to x2 - 17 x - 60?
Leni [432]
15x-60
this is the answer
5 0
3 years ago
Write each decimal as a fraction in lowest terms <br><br> 0.255
Vesnalui [34]

Answer:

51/200

Step-by-step explanation:

To write a decimal as a fraction, you have to make the decimal the numerator, and put a multiple of ten with that number of zeroes in the denominator:

0.255 = 255/1000

Then we simplify

51/200

6 0
1 year ago
Solve for x and y. Thank u so much!!​
Setler79 [48]
Y is 45 x is 30 I think
7 0
3 years ago
What is the exact radian measure of an angle of 132
Pepsi [2]
Since we know that in π radians there are 180°, thus how many radians in 132°?

\bf \begin{array}{ccll}&#10;de grees&radians\\&#10;\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\&#10;180&\pi \\&#10;132&x&#10;\end{array}\implies \cfrac{180}{132}=\cfrac{\pi }{x}\implies x=\cfrac{132\cdot \pi }{180}\implies \stackrel{simplified}{\cfrac{11\pi }{15}}
6 0
3 years ago
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