1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Alecsey [184]
2 years ago
13

Solve through substitution –3x–8y=20 y=5x+19 Point of intersection, please

Mathematics
1 answer:
Sedaia [141]2 years ago
4 0

Answer:

(-4, -1)

Step-by-step explanation:

-3x - 8y = 20; y = 5x + 19

y = 5x + 19; -3x - 8y = 20

y = 5x + 19

-3x - 8y = 20

-3x - 8(5x + 19) = 20

-43x - 152 = 20

-43x - 152 + 152 = 20 + 152

-43x = 172

-43x / -43 = 172 / -43

x = -4

y = 5x + 19

y = (5)(-4) + 19

y = -1

You might be interested in
Help please quick!!!!15 points!! What is the area of this parallelogram
Stells [14]

Answer:

132

Step-by-step explanation:

area of a parallelogram is b*h

(6+5)(12)=132

3 0
3 years ago
Which of the following expressions is the conjugate of a complex number with −5 as the real part and 4i as the imaginary part?
makvit [3.9K]
"−5 − 4i" is the one among the following expressions given in the question that <span>is the conjugate of a complex number with −5 as the real part and 4i as the imaginary part. The correct option among all the options that are given in the question is the third option. I hope that this is the answer that has helped you.</span>
3 0
2 years ago
To find g(x + 7), what do you substitute for x in the function g(x) = 4x - 2?
AlexFokin [52]

Answer: x+7

Step-by-step explanation:

g(x) = 4x - 2

g(x+7)=4(x+7)-2

Substitute (x+7)

8 0
2 years ago
Malaak deposits $85 dollars into a savings account. The account earns 3.5% simple interest per year. What is the total amount of
Marat540 [252]

Answer:

I am pretty sure it is 14.875

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Write the following equation in slope-intercept form. State the slope and y-intercept.
posledela

Answer:

y = -2x-7/9

Step-by-step explanation:

Slope-intercept form is y=mx+b where m is the slope and b is the y intercept.  Start by solving for y.

-18x-9y=7

-9y=18x+7 (divide through by -9)

y=-2x-7/9

3 0
1 year ago
Other questions:
  • 9x – 5 &lt; –41 or 3x + 13 &gt; 7
    7·2 answers
  • Which polynomial function has zeros when x= -2, 3/4, 5
    12·1 answer
  • a man retires at age 50 with $625,000 in savings.after 7 years of retirement, he has spent $259,000 of his savings and is consid
    12·1 answer
  • Solve using the quadratic formula...<br> 9x2 - 4 + 7x
    10·2 answers
  • Evaluate the algebraic expression a + b - c when a = 3, b = 5 and c = 7.
    6·2 answers
  • A sphere is inscribed in a cylinder. The surface area of the sphere and the lateral area of the cylinder are equal. true or fals
    13·2 answers
  • Which one is it?? Will give BRAINLIEST
    11·2 answers
  • A box plot is shown below what is the median and q3 of the data set represented on the plot median=30;q3=44 median 36; q3=44 med
    9·1 answer
  • Which table shows data with variability?
    10·2 answers
  • Find an equation of the line that passes through the points (-3, 4) and (0, 7)
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!