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notsponge [240]
3 years ago
8

Solve the system of equations. y=x+5 y=-x+7

Mathematics
2 answers:
Semmy [17]3 years ago
6 0

Answer:

all work is shown and pictured

spin [16.1K]3 years ago
4 0

Answer:

(1,6)

x = 1, y = 6

See attachment for the graph

Step-by-step explanation:

y=x+5  

y=-x+7

Using the elimination process

     y=x+5  

-     y=-x+7

----------------

     0=2x-2

     2=2x

      1=x

      x=1

Substitute x = 1

y = x + 5

y = 1 + 5

y = 6

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Tennessee Whisky contains 40% alcohol; how many ml of whiskey can be produced with 80ml of alcohol?
anygoal [31]

well we know that we have 80mL and we also know that those 80mL will represent the "solute" or the 40% of the Tennessee whiskey total which we can say is 100%, so if 80 is the 40%, how much will it be for the 100% in mL?

\begin{array}{ccll}mL&\%\\\cline{1-2}80&40\\x&100\end{array}\implies \cfrac{80}{x}=\cfrac{40}{100}\implies \cfrac{80}{x}=\cfrac{2}{5}\implies 400=2x\\\\\\ \cfrac{400}{2}=x\implies \underset{mL}{200}=x

5 0
2 years ago
What is the base of a triangle with an area of 207 square inches and a height of 18 inches
White raven [17]
Answer: 23 in

Step-by-Step Explanation:

Height (h) = 18 in
Base (b) = ?
Area (A) = 207 sq. in

We know,
Area of a Triangle = 1/2 * b * h

Therefore,
1/2 * b * h = 207
1/2 * b * 18 = 207
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4 0
1 year ago
Consider the graphed function. 100POINTS!!!!
Sati [7]

Answer:

Domain -5 ≤x<1

Range -4 ≤y<7

Step-by-step explanation:

The domain is the values that x takes

X goes from -5 included to 1 not included

-5 ≤x<1

The range is the values that y takes

y goes from -4 included to 7  not included

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3 years ago
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notka56 [123]
Monday 10 and Saturday 5!!!
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3 years ago
Read 2 more answers
I got A for both questions. Can I get confirmation?
Alexeev081 [22]

Answer:  No. You reversed the domain and range

              #2) B) x ≥ 0

              #3) B) [0, ∞)

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

#2 is asking about the domain, which is all of the x-values.

The graph appears to be touching the y-axis so it equals 0 and all other x-values are greater than zero. (0, 1), (1, 0), (2, -0.8), (3, -1.5), etc.  All of the x-values are moving toward the right, which is positive infinity.      --> x ≥ 0

#3 is asking for the range, which is all of the y-values.

The vertex is at (0, 0) and all other y-values are above zero (positive numbers), moving toward positive infinity.  --> [0, ∞)

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3 years ago
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