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anygoal [31]
3 years ago
6

A particular shade of paint is made by mixing 5 parts red paint with 7 parts blue paint. To make this shade, Shannon mixed 12 qu

arts of blue paint with 8 quarts of red paint.Did Shannon mix the correct shade? explain.
Mathematics
1 answer:
Shtirlitz [24]3 years ago
3 0
Shannon did not mix the correct shade. Cause the correct ratio of blue and red is 7:5. While Shannon mix 12:8=3:2 which is not equal to 7:5.
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Evaluate the expression and enter the answer as a fraction in lowest terms, using the slash (/) for the fraction bar.
Naya [18.7K]

Answer:

5/21

Step-by-step explanation:

Change division sign to multiplication and flip second fraction upside down

1/3 x 5/7 =  5/21

8 0
2 years ago
Is the given value a solution to the equation? 4(n) - 3 = -2(n) + 9 n=2
nlexa [21]

Answer:

Yes!

The solution to the equation is n = 2

Step-by-step explanation:

Given the equation

4\left(n\right)-3=-2\left(n\right)+9

remove the parentheses

4n-3=-2n+9

Add 3 to both sides

4n-3+3=-2n+9+3

Simplify

4n=-2n+12

Add 2n to both sides

4n+2n=-2n+12+2n

Simplify

6n=12

Divide both sides by 6

\frac{6n}{6}=\frac{12}{6}

Simplify

n=2

Therefore, the value of n = 2.

Hence,

Yes!

The solution to the equation is n = 2

5 0
3 years ago
What is the GCF of 3x + xy?<br><br><br> x<br><br><br> 3<br><br><br> y
olchik [2.2K]

Answer:

x

Step-by-step explanation:

3x+xy

Factor out an x

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8 0
3 years ago
What is the equation of the following graph in vertex form?
Zepler [3.9K]
<h3>Answer: Choice B.   y = (x+3)^2 - 1</h3>

============================================

How I got that answer:

The vertex is the lowest point of parabolas that open upward.

(h,k) = vertex

(h,k) = (-3,-1)

h = -3

k = -1

For each of the answer choices, a = 1.

The general template of a quadratic in vertex form is

y = a(x-h)^2 + k

Plug a = 1, h = -3, k = -1 into that equation. Simplify.

y = a(x-h)^2 + k

y = 1(x-(-3))^2 + (-1)

y = (x+3)^2 - 1

8 0
3 years ago
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Neporo4naja [7]

Answer:

slope = 1/7

Step-by-step explanation:

7x+y=9 you should be in slope int form--> y=-7x+9

then the line is perpendicular so

the slope is 1/7

7 0
3 years ago
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