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
MrRissso [65]
4 years ago
8

How do you solve this system by substitution. Y= -5x+3 -x-7y=13

Mathematics
1 answer:
geniusboy [140]4 years ago
3 0
<span>A) Y= -5x+3
B) -x -7y = 13 substituting equation A) into B)
B) -x -7*(-5x +3) = 13
</span>
<span>B) -x +35x -21 = 13
B) 34x = 34
x = 1
</span>
<span>A) Y= -5*1 +3
A) Y= -2

</span>
You might be interested in
Express as percent:<br>a. 1/3 <br>b. 5.4<br>c. 0.32​
gogolik [260]

Answer:

a. 33.3% (rounded off to 3 significant figures)

b. 540%

c. 32%

4 0
3 years ago
Answer my question <br><br> im being timed
attashe74 [19]

Answer:

the third one

Step-by-step explanation:

7 0
4 years ago
The coordinates of the vertices of a quadrilateral are (8, 11) (11, 7) (8, 3) (2, 3). What is the area, in square units, of the
disa [49]

Check the picture below.

so the quadrilateral is really just a parallelogram below a triangle, so let's simply get the area of each and sum them up.

\stackrel{\textit{\Large Areas}}{\stackrel{parallelogram}{(6)(4)}~~ + ~~\stackrel{triangle}{\cfrac{1}{2}(6)(4)}}\implies 24~~ + ~~12\implies 36

6 0
2 years ago
Any highly recommended math word problem solving app.... please​
serg [7]

Owl Hat is a tutor and next-level math solver at your fingertips.

8 0
3 years ago
−1.64 as a mixed number in simplest form.
liraira [26]
Convert to a mixed number by placing the numbers to the right of the decimal over 100. Reduce the fraction. Then, convert the mixed number to an improper fraction by multiplying the denominator by the whole number and adding the numerator to get the new numerator. Place this new numerator over the original denominator.

-41\25
4 0
3 years ago
Other questions:
  • A flower bed is 2 meters wide and 3 meters long. What is the area of the flower bed in square feet? Round your answer to the nea
    12·2 answers
  • What is the equation of the line x–3y=18 in slope-intercept form?
    5·1 answer
  • a putt put offer a deal when you purchase 10 rounds of golf,you get 1 round for free,If you played a total of 35 rounds how many
    15·2 answers
  • 2 less than the quotient of 5 and number x
    8·1 answer
  • Mike has $136.00 to spend on his ticket into the amusement park he spends 25% of that money on his ticket into the park.How much
    10·1 answer
  • POINTS AND ILL GIVE MY NUMBER
    7·1 answer
  • A bag of marbles contains 1 green, 5 red, and 2 blue. Find the probability of picking a red marble, putting it back in the
    6·1 answer
  • Students did push-ups for a fitness test. Their goal was 20 push-ups. For each student,
    8·1 answer
  • Determine if the expression -a^3b^5 is a polynomial or not. If it is a polynomial, state
    5·1 answer
  • Find the slope of the line that passes through the pair of points (6,-2) and (5,-4).
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!