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
podryga [215]
2 years ago
8

Describe the system of equations y + 4x = -5 and 2y= -8x-20

Mathematics
1 answer:
Natasha_Volkova [10]2 years ago
7 0

Answer:

x = -10 , y = -45

Step-by-step explanation:

y + 4x = -5 ------------- (i)

2y = -8x - 20 ---------- (ii)

y + 4x = -5 --------(iii) × -2

2y + 8x = -20 -----(iv) × +1

-2y - 8x = + 10

2y + 8x = -20

x = -10

substitute x = -10 into equation (i)

y + 4x = -5

y + 4 (-10) = -5

y + 40 = -5

y = -5 - 40

y = -45

You might be interested in
Find the L.C.M. of 16, 30 and 48​
drek231 [11]

Answer:

240

<em>hope this helps and pls give </em><em>brainliest</em><em>!</em>

7 0
3 years ago
Read 2 more answers
Petra jogs 4 miles in 36 minutes. At this rate, how long would it take her to jog 11 <br> miles.
Nataly [62]

Answer:

it would take 99 minutes

4 0
3 years ago
Read 2 more answers
The area of a rectangle is 168 square feet. The ratio of the width to the length is
nlexa [21]

Answer:

Width = 12 feet

Step-by-step explanation:

Given that,

Area of a rectangle is 168 square feet.

The ratio of the width to the length is  6:7.

Let the length is 7x and width is 6x.

According to question,

Area = 168 sq feet

l×b=168 sq feet

7x × 6x = 168

42x² = 168

x² = 4

x = 2

Length = 7x = 7(2) = 14 feet

Breadth = 6x = 6(2) = 12 feet

So, the width of the rectangle us 12 feet.

5 0
3 years ago
Leena knits 10 rows in 12 min. At this pace, how long will it take her to knit the next 25 rows?
tatiyna
For 10 rows, she takes = 12 min.
So, for 1 row, she'll take = 12/10 

Now, for 15 rows, it would be: 12/10 * 25 = 12/2 * 5 = 60/2 = 30

So, Your Final Answer would be 30 minutes

Hope this helps!
7 0
3 years ago
Read 2 more answers
Solve the following inequality: 30 ≥ -30 – 6x *
Aleonysh [2.5K]

Answer: The answer is x ≥ -10

Step-by-step explanation:

5 0
3 years ago
Other questions:
  • Find the ordinary interest on $ 1,800 for two months at a rate of 12%
    10·1 answer
  • Using composition of functions , determine if the two functions are inverses of each other F(x) = sqrt(x) + 3 G(x) = (x - 3) ^ 2
    8·1 answer
  • The reciprocal of 1/6 is
    8·1 answer
  • Identify the constant term in this expression. 28m + 4n − 12m + 3
    7·2 answers
  • 0.008 is 1/10 of what decimal
    13·2 answers
  • There are 7 ushers and 11 technicians helping at the Harper Middle School fall play. What is the ratio of technicians to all hel
    15·1 answer
  • Mr.Rivera can grade 8 math tests in 10 minutes what is the teachers unit rate?
    9·2 answers
  • Solve and make a table ( you may decide what the topic is and the value is.Algebra I)
    8·1 answer
  • Draw a X on the scale.....
    10·1 answer
  • A point M on a segment with endpoints X(1, −2) and Y(10, 3) partitions the segment in a 4:1 ratio. Find M. You must show all wor
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!