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Mrrafil [7]
3 years ago
6

A system of two equations is shown below: Equation C: a = 2b + 7 Equation D: a = 5b − 3 What value of a can be substituted into

equation D to solve the system of equations?
Mathematics
1 answer:
zhuklara [117]3 years ago
7 0

Answer:

C i believe so

Step-by-step explanation:

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Help!!!!
Anna35 [415]
7 \frac{2}{15 } + 5 \frac{2}{3} + 9 \frac{3}{15}

Convert mixed number to improper fraction.

\frac{107}{15} + \frac{17}{3} + \frac{148}{15}

Then change all the denominators into a same number

\frac{107}{15} +  \frac{85}{15} +  \frac{148}{15}

Add all the numerators but let all the denominators be same.

\frac{107+85+148}{15} = \frac{340}{15}

Change the improper fraction back into a mixed number..

22  \frac{10}{15} I see that we can still simplify the fraction.. 

22 \frac{10}{15} = 22 \frac{2}{3}

Your final answer is C. 22 \frac{2}{3}
8 0
4 years ago
How big is the biggest rat on the planet
charle [14.2K]

Answer:

2.5 ft

Step-by-step explanation:

Why would you put that as a question!?

6 0
3 years ago
Read 2 more answers
A rectangular prism has a length of 17 inches, a height of 15 inches, and a width of 17 inches. What is its volume, in cubic inc
frez [133]

The volume of a rectangle prism is V=whl where w is the width, h is the height, and l is the length. In this case, V=17*15*17, or 4335 cubic inches.

5 0
3 years ago
What is the slope of (2,22) -(4,32)<br><br>a.5<br>b.10<br>c.2<br>d.1
zhenek [66]
Use the formula for the slope of a line by substituting the given coordinates:
\frac{ y_{2}-y_{1}}{ x_{2} -  x_{1} }
So for the coordinates (2,22) and (-4,-32)
So (-32-22)/(-4-2)= -54/-6= 9 is the slope of the line

6 0
3 years ago
Y=3x-7y=3x−7 Complete the missing value in the solution to the equation. (1,_) PLEASE QUICK
kkurt [141]

Answer:

-4

Step-by-step explanation:

The two equations you have are:

y = 3x - 7

x = 1 (this comes from the x value being 1)

To solve for y, use the substitution property of equality to replace x in the equation:

where x = 1,

y = 3(1) - 7

y = -4

8 0
3 years ago
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