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
Andrei [34K]
3 years ago
13

Use substitution to solve the system of equations. y + x = 3 y = 1.5x + 1

Mathematics
1 answer:
jeyben [28]3 years ago
5 0

Answer:

x=0.8, y=2.2 (0.8, 2.2).

Step-by-step explanation:

y+x=3

y=1.5x+1

-------------

1.5x+1+x=3

2.5x=3-1

2.5x=2

x=2/2.5

x=0.8

y+0.8=3

y=3-0.8

y=2.2

You might be interested in
I NEED HELP PLEASE !
ikadub [295]

Answer:

I forgot

Explanation:

I did this yesterday

8 0
2 years ago
Read 2 more answers
Let f(x) = -3x + 2 and g(x) - 4x + 6. Find (f•g)(-5).
mezya [45]

Answer:

(f•g)(-5) = -238

Step-by-step explanation:

We have that:

f(x) = -3x + 2

g(x) = 4x + 6

Find (f•g)(-5).

First we find (f.g)(x)

So

f(x)*g(x) = (-3x + 2)*(4x + 6) = -12x² -10x + 12

When x = -5

-12(-5)² - 10(-5) + 12 = -238

(f•g)(-5) = -238

6 0
3 years ago
A small pizza has a diameter of 10 inches and cost 7.75 how many square inches of pizza are in a small pizza? what is the cost p
sukhopar [10]
The answer is 0.0987
4 0
3 years ago
Read 2 more answers
I need help asap please!!!
Mashcka [7]
1. x = 118      2. x = -54      3. x = -54      4. x = -54

5 0
3 years ago
a customers total bill is $50.50. The company charges a monthly fee of $28 plus 5 cents for each call. Use n to represent the nu
Doss [256]
.05n + $28 = $50.50

(.05n = $22.50)100

5n = 2250

n= 450 calls
7 0
3 years ago
Other questions:
  • A star has a diameter of 4,680,000,000 units. Express this number in scientific notation.
    13·2 answers
  • The function d(x) = 1375 − 110x represents the distance (in miles) a high-speed
    14·1 answer
  • Determine whether these statements are true or false. a) ∅ ∈ {∅} b) ∅ ∈ {∅, {∅}} c) {∅} ∈ {∅} d) {∅} ∈ {{∅}} e) {∅} ⊂ {∅, {∅}} f
    14·1 answer
  • Erin has two pieces of cord, one 12 feet long and the other 18 feet long. She wants to cut them up to produce many pieces of cor
    14·2 answers
  • How do you do this ?
    6·1 answer
  • 1800 people attended the National Day dinner in a certain constituency Given that 35.5 of them were. men, 40 % of them were wome
    7·1 answer
  • Solve <br><img src="https://tex.z-dn.net/?f=y%20%7B4%20-%202y%20%7B3%20%3D%200%7D%5E%7B%3F%7D%20%7D%5E%7B%3F%7D%20" id="TexFormu
    9·1 answer
  • These are the means and standard deviations for samples of prices from two different brands of shoes. Brand A Brand B Mean: $50
    8·1 answer
  • Would you rather
    14·1 answer
  • Which expression is equivalent to 36+18 ANSWERS choices are in the picture​
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!