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
mixer [17]
3 years ago
9

Evaluate y = 2x + 1 when x= -1

Mathematics
2 answers:
PolarNik [594]3 years ago
8 0

Answer:

y = -1

Step-by-step explanation:

We Know:

y = 2x + 1, and x= -1.

Substitute:

y = 2(-1) + 1

Multiply:

2 * -1 = -2

y = -2 + 1

Add:

-2 + 1 = -1

So,

y = -1.

Stolb23 [73]3 years ago
5 0
Y = 2x + 1
y = 2(-1) + 1
y= -2 + 1
y= -1
You might be interested in
If the length of room is four times the height and breadth is twice of its height and the volume of the room is 512 m^2 find its
lisov135 [29]

Let  \: x  \: (x>0)  \: be \:  the \:  height \Rightarrow the \: width, length: 2x,4x \\ Volume:V=hwl = 512 \\ \Leftrightarrow x2x4x = 512 \\ \Leftrightarrow 8{x }^{3}  = 512 \\\Leftrightarrow  {x}^{3}  = 64 \\ \Leftrightarrow x = 4 \\ \Rightarrow The \:  height \: is \: 4 \: m, the \: width \: is \: 8 \: m

8 0
4 years ago
You and your friend collect 180 cans for a food drive. The ratio of cans you collected to cans your friend collected is 4 to 5.
Alina [70]

Answer:

44

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Which equation is graphed here?
Nastasia [14]
C
The graph has a y intercept of positive 2
3 0
3 years ago
How many sixteenths are in 15/16
elena55 [62]
To get this, you need to divide 15/16 by 1/16. To do it, multiply 15/16 by 16 and you get 15 as your answer.
7 0
3 years ago
Read 2 more answers
Which expression is the LCD of these fractions 4/5x^2y, 8/3xy,12/12xy^5
scoray [572]
I think it is (xy). Hope that is right.
8 0
4 years ago
Other questions:
  • PROBABILITY DISTRIBUTIONS?? Do anyone know how to find probabilities??​
    8·1 answer
  • One positive integer is 5 less than twice another. The sum of their squares is 725. Find the integers.
    15·1 answer
  • What is the root of the polynomial equation x(x-2)(x+3)=18
    9·2 answers
  • The pre-image is...<br> What does a pre image mean
    13·1 answer
  • 237 devided by 8 times 564
    11·1 answer
  • Solve the radical equation. Quick !!! Show work ! <br> -26x + 3 = -18
    14·1 answer
  • PLEASE HELP ME FAST!!! Monica's bicycle wheel has a radius of 16 inches. Kevin's tricycle wheel has a radius of 8 inches. How ma
    7·1 answer
  • Please help! Thanks!
    11·2 answers
  • Please include an explanation of B thank you!!​
    11·1 answer
  • Mario sells men's and women's shoes in his shoe store. He is considering selling children's
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!