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Aleksandr [31]
3 years ago
11

Solve 5x+y=-17 8x-3y=-18

Mathematics
2 answers:
Olenka [21]3 years ago
6 0

Answer:

x = -3

y = -2

Step-by-step explanation:

yawa3891 [41]3 years ago
4 0

Answer:

( x,y ) = ( 72/163,-3294/163

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A rental car agency charges $12 per day plus 14 cents per mile to rent a certain car. Another agency charges $15
Sav [38]

Answer:

The cost of renting will be the same for 200 miles.

Step-by-step explanation:

Let n the number of miles and C be the cost. We can represent the cost equations for each companies:

A: C = 12 + 0.09n

B: C = 8 + 0.11n

They want to know when the cost will be the same, so we can set the above 2 equations equal to each other and solve for n:

12 + 0.09n = 8 + 0.11n

0.02n = 4

n = 200

3 0
3 years ago
Devon has $5,768 in his savings account, which is $2,709 more than Serena has in her savings account. How much money does Serena
Shtirlitz [24]
I got 8,477 . I hope it’s right
5 0
2 years ago
The area of a square window is 0.25 square meter. How long is each side of the window in meters? *
mart [117]

Answer:

o.25

Step-by-step explanation:

Because a square has equal sides so all sides have to be 0.25

6 0
3 years ago
Read 2 more answers
The length between the bases on a Major League Baseball diamond is 90 feet. Allyson wants to make a scale drawing of a baseball
Vinil7 [7]

Answer:

\text{The scale is }\frac{1}{432}

Step-by-step explanation:

Length between the bases on a major league diamond = 90 feet

1 feet = 12 inches

90 feet = 90 × 12

             = 1080 inches

Length between the bases on a major league baseball diamond on scale drawing = 2.5 inches

\text{Scale factor = }\frac{\text{Actual length}}{\text{Scale length}}\\\\\text{Scale factor = }\frac{1080}{2.5}=432

\text{Hence, the scale is }\frac{1}{432}

4 0
3 years ago
Someone help me please and thank you!! ASAP :(
pantera1 [17]
<h3>Answer: Choice D) </h3>

Work Shown:

(f+g)(x) = f(x)+g(x)\\\\(f+g)(x) = \frac{x-23}{x^2+9x-36}+\frac{1}{x+12}\\\\(f+g)(x) = \frac{x-23}{(x+12)(x-3)}+\frac{1(x-3)}{(x+12)(x-3)}\\\\(f+g)(x) = \frac{x-23+1(x-3)}{(x+12)(x-3)}\\\\(f+g)(x) = \frac{x-23+x-3}{x^2+9x-36}\\\\(f+g)(x) = \frac{2x-26}{x^2+9x-36}\\\\

We must require that x \ne -12 and x \ne 3 to avoid having 0 in the denominator. This is why choice D is the answer.

3 0
3 years ago
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