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
Free_Kalibri [48]
3 years ago
13

8x + y = 17 5x + 5y = –20

Mathematics
2 answers:
Diano4ka-milaya [45]3 years ago
8 0

Answer:

X=3 Y=-7

Step-by-step explanation:

You can solve a system of equations a number of ways. Substitution makes the most sense in this case. Take the top equation and set it equal to y making it: y=17-8x

Then substitute y in the bottom equation for the y solved in the top. So,

5x + 5(17-8x) = -20

Then solve for x

x=3

Now that we know x, plug it back into the equation for y

y = 17 - 8(3)

y = -7

So your solution is (3, -7)

frozen [14]3 years ago
3 0

Answer:

Step-by-step explanation:

40x + 5y = 85

-5x - 5y = 20

35x = 105

x= 3

15 + 5y = -20

5y = -35

y = -7

(3, -7)

You might be interested in
<1 and <2 form a linear pair. The measure of <2 is six more than twice the measure of <1. Find the measure of <2
MrMuchimi

Answer:

122 Degrees

Step-by-step explanation:

Since we are given that angle 1 and 2 make a linear pair:

angle 1 + angle 2 = 180 degrees ----------------------------(1)

We have also been told that angle 2 is 6 more than twice the measure of angle 1

Which means: angle 2 = (2*angle1)  + 6 -------------------(2)

From putting the value of angle 2 in (1) from (2)

<em>angle 1 + 2*angle 1 + 6 = 180</em>

<em>3*angle 1 = 174</em>

angle 1 = 58 degrees -----------------------(3)

From (1) and (3):

<em>angle 2 + 58 = 180</em>

angle 2  = 122 degrees

Therefore, the measure of angle 2 is 122 degrees

7 0
3 years ago
Lena got three “hits” in her last seven times at bats, so her chance of getting a hit is 3/5.
riadik2000 [5.3K]
Theoretical because they haven’t tested it yet that is just their hypothesis
3 0
3 years ago
What are the coordinates of the point labeled C in the graph?
kykrilka [37]
The answer is B x axis first
6 0
3 years ago
Read 2 more answers
What is the minimum value of 2x + 2y in the feasible region?<br> (0,7) (3,7) (6,3) (6,0)
topjm [15]
Graph the feasible region for the following constraints: x + y < 5. 2x + y > 4 ... y = 10/3. x = 30/3 - 10/3 = 20/3. Intersects at (20/3, 10/3). -x + 2y = 0. x - 2y = 0.
hence i would go for
<span>(6,3)</span>
8 0
3 years ago
What does interval mean
creativ13 [48]

Answer:

an intervening time

Step-by-step explanation:

8 0
3 years ago
Other questions:
  • 18 less than 14 times a is 80
    9·1 answer
  • Can someone help? What is 20% of 1/2
    5·1 answer
  • Please tell me the answer the steps I need it really fast
    12·1 answer
  • Trapezoid A B C D is shifted down and to the left to form trapezoid A prime B prime C prime D prime. Trapezoid A prime B prime C
    15·2 answers
  • Urgent need the answers plz help.
    8·1 answer
  • Simplify, 3xsqrt-75a
    11·1 answer
  • 1, 3, 9, 27, ... What's the pattern rule and the next three numbers?​
    9·2 answers
  • Can someone help me with 13-16 I’ll mark brainliest please guys I’m begging
    13·2 answers
  • Three sticks of butter are needed for every 24 cookies.
    6·1 answer
  • Find the next number in the sequence 10,37,82,145,226
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!