Four times a number, x, plus five times a number, y, equals 79. Ten times x minus 5 times y equals 5. Find the numbers by setting up a system of linear equations and solving the system using the elimination method.a) x = 7, y = 9
b) x = 6, y = 11
c) x = 8, y = 10
d) x = -10, y = 7

Answers

Answer 1

Answer: the correct answer is X=6 & Y=11

Related Questions

Find the expected value of the winningsfrom a game that has the followingpayout probability distribution:
Marshas cat weighs 15.41 her cat only weighs 4.79 pounds. about how much more does her cat weigh?
What is the answer to 3d+8=2d-17
Please help me answer this I'm so confused
An equation was created for the line of best fit from the actual enrollment data. It was used to predict the dance studio enrollment values shown in the table below:Enrollment Month January February March April May June Acutal 120 140 150 140 150 130 Predicted 80 150 110 150 110 150 Residual 40 −10 40 −10 40 −20 Analyze the data. Determine whether the equation that produced the predicted values represents a good line of best fit. No, the equation is not a good fit because the residuals are all far from zero. No, the equation is not a good fit because the sum of the residuals is a large number. Yes, the equation is a good fit because the residuals are not all far from zero. Yes, the equation is a good fit because the sum of the residuals is a small number.

(Algebra 1)Mrs. Henson, of the Antique Attic, can polish 11 antique chairs in 3 hours. Find Mrs. Henson's rate per hour. (write your answer as a fraction.) Make sure your answer is fully reduced.

Answers

11/3 chairs in1 hour hope i helped!!

A mixture contains forty ounces of glycol and water and is ten percent glycol. If the mixture is to be strengthened to twenty-five percent, how much glycol is to be added?1. 4 oz
2. 8 oz
3. 10 oz

Answers

40oz glycol and water
10% is glycol
4oz is glycol
36oz is water

if glycol is to be added to make glycol 25% of all then
note: water does not change
100-25=75
water does not change so
36oz=75%
12=25%

there should be 12 oz of glycol total
4 now
12-4=8
8 oz should be added

sorry, I just wrote what I was thinking

answer is 8oz

Answer:

8 oz

Step-by-step explanation:

Which of the following represents "the difference between a number and eight is twenty-two"?8 - N = 22
N - 8 = 22
8 - 22N

Answers

Both of the first 8 - N = 22 N - 8 = 22 Represent the difference between a number and 8 is 22 as it is not mentioned that either 8 or the unknown number N is greater so both of the first two represent the difference between a number and 8 is twenty two.

Answer:

The Answer is N - 8 = 22

this is because the question ask the difference of a number and eight is twenty-two, which means a number (N) comes first before the difference ( - ) is eight (8) is (=) twenty two (22) following this order gives the answer above in bold.

Step-by-step explanation:

Which equation has solution x = -3?A) 2x -7 = -1
B) 3x+ 8 =1
C)1/2x+8=10
D)1/2(2x-6)=-6

Answers

A)2x -7 = -1
2x=-1+7
2x=8
x=4

B)3x+ 8 =1
3x=1+8
3x=9
x=3

C) 1/2x+8=10
1/2x=10-8
1/2x=2
x=1

D)
$(1)/(2) (2x-6)=-6 \n \n (2x)/(2) - (6)/(2)=-6 \n \n (2x)/(2) - (6)/(2)=-12 \n \n 2x-6=-12 \n \n 2x=-12+6 \n \n 2x=-6 \n \n \boxed{x=-3}$

Solve this system of equations.2x + 6y = −6,
4x − 3y = −12
what is the solution system of equations?

Answers

I hope this helps you

Answer:

-3,0

Step-by-step explanation:

a line passes through (9, –9) and (10, –5).write an equation for the line in point-slope form. rewrite the equation in standard form using integers. y 9 = (x – 9); –4x y = –45 y 9 = (x 9); –4x y = –45 y – 9 = (x 9); –4x y = 45 y – 9 = (x – 9); –4x y = 45

Answers

The equation of the line in point-slope form is given by:
$y-yo = m (x-xo)$
Where,
(xo, yo): point that belongs to the line
m: slope of the line
The slope is given by:
$m = (y2-y1)/(x2-x1)$
Substituting values:
$m = (-5-(-9))/(10-9)$
Rewriting:
$m = (-5+9)/(10-9)$
$m = (4)/(1)$
$m=4$
Now we choose an ordered pair:
$(xo, yo) = (10, -5)$
Substituting values we have:
$y-(-5)=4(x-10)$
$y+5=4(x-10)$
We now rewrite the equation in its standard form:
$y = mx + b$
Where,
b: cut with the y axis.
We have then:
$y = 4x - 40 - 5y = 4x - 45$
Answer:
point-slope form:
$y+5=4(x-10)$
or
$y+9=4(x-9)$
standard form
$y = 4x- 45$