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
olga55 [171]
3 years ago
10

Need to solve this system of equations x+2y=11 4x+2y=38 Thank you!

Mathematics
1 answer:
Tpy6a [65]3 years ago
5 0
The answer is ( 9 , 1 )

Use the substitution method.

Solve the first equation for x by subtracting 2y from both sides. x = 11-2y

Plug x = 11- 2y into the second equation to solve for y.
4 (11 -2y) + 2y = 38
44 - 8y + 2y = 38
44 - 6y = 38
-6y = -6
y = 1

Once you get a y value plug it into the first equation to solve for x.
x + 2 (1) = 11
x + 2 = 11
x = 9
You might be interested in
Sally invests £8000 in a savings account. The account pays 2.8% compound interest per year work out the value of her investment
Alborosie

Answer: the value of her investment after 4 years is £8934.3

Step-by-step explanation:

The formula for determining compound interest is expressed as

A = P(1+r/n)^nt

Where

A = total amount in the account at the end of t years

r represents the interest rate.

n represents the periodic interval at which it was compounded.

P represents the principal or initial amount invested.

t represents the duration of the investment in years.

From the information given,

P = 8000

r = 2.8% = 2.8/100 = 0.028

n = 1 because it was compounded once in a year.

t = 4 years

Therefore,

A = 8000(1+0.028/1)^1 × 4

A = 8000(1+0.028)^4

A = 8000(1.028)^4

A = £8934.3 to the the nearest penny

6 0
3 years ago
Maylin and Nina are making fruit baskets. They have 36 apples, 27 bananas, and 18 oranges. They want each basket to contain the
vlada-n [284]

Answer:Nina

Step-by-step explanation:

7 0
3 years ago
Given f(x) = -x^2 - 2x + 4, find each of the following,
tankabanditka [31]

Answer:

Symmetric point: x = -1; (-1, 5)

Minimum of f: None; approaches -∞.

Maximum of f: y = 5.

Is f(x) a one-to-one: No, it fails the horizontal line test and is not injective.

Increasing from: -∞ to -1; (-∞, -1)

Decreasing from: -1 to ∞. (-1, ∞)

7 0
3 years ago
Read 2 more answers
The volume of a stack of identical circular drink coasters, each 1 centimeter thick, can be found using the function v(r)=8(3.14
Vladimir79 [104]

The volume of a stack of identical circular drink coasters, each 1 centimeter thick, can be found using the function v(r)=8(3.14)(r)^2, where r is the radius of a coaster. What does the constant 8 in the function represent?

The constant 8 represents the height of the stack and hence the number of coasters.

8 0
3 years ago
Read 2 more answers
NEED HELP MARK CROWN ASAP
m_a_m_a [10]

Answer:

The answer is <em><u>0.48</u></em>!

5 0
3 years ago
Other questions:
  • Completing the square<br> 4y2+8y=11
    8·1 answer
  • The equation of a line is −2x+5y=−20. What is the x-intercept of the line? Enter your answer in the box.
    10·2 answers
  • find the approximate area of the shaded region below, consisting of a right triangle with a circle cut out of it. Use 3.14 as an
    11·1 answer
  • Please find the surface area of each figure to the nearest tenth? Please show the work too...
    12·1 answer
  • He scatter plot shows the number of pages scanned (y) in different number of hours (x) by a scanning machine: which function bes
    13·1 answer
  • The aspect ratio of a rectangular shape is its length (L) divided by its width (W). It is expressed as L:W or L/W. If the aspect
    8·1 answer
  • *you get 16 points*PLEASE ANSWER i’m kinda failing so help
    15·1 answer
  • Please answer CORRECTLY !!!!!! Will mark brainliest !!!!!!!!!
    10·1 answer
  • Han used 1 1/2 gallons of paint to paint 3/5 of a shed. How many gallons of paint will it take to paint the whole shed? Write a
    9·1 answer
  • A bookstore sells 3 books for $42. Which table represents the relationship between number of books and the total price?
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!