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
stepladder [879]
3 years ago
14

Evaluate 4b – a when a = 12 and b=7. 4b - a= 0

Mathematics
2 answers:
klio [65]3 years ago
8 0

Answer: 4b - a = 15

Step-by-step explanation: if you replace the variables with their equivalent counterparts you get the equation 4(7) - 12 = __ when you do the math make sure to do the parentheses first then subtract, just like in elementary school remember pemdas parentheses, exponents, multiplication, division, addition, subtraction. I hope this helps.

mina [271]3 years ago
7 0
4b - a
4(7) - (12)
28 - 12
16
You might be interested in
Use the graph of the function to estimate the intervals on which the function is increasing or decreasing. (Enter your answers u
Crank

The intervals on which the graph is increasing:   ]-∞,-3[ U ]0.5,-∞[ . On the other hand, the graph is decreasing:  ]-3,0.5[

<h3>Function</h3>

A function can be classified as increasing or decreasing. Thus, a function is increasing when the y-values increase, on the other hand, a function is decreasing when the y-values decrease.

From the image, you can see that the y-values increase in the following x-intervals: from -∞ to -3 and from 0.5 to ∞. Using interval notation, you can write that the function is increasing in:

                                  ]-∞,-3[ U ]0.5,-∞[

From the graph, you can see that the y-values decrease in the following x-intervals: from -3 to 0.5. Using interval notation, you can write that the function is decreasing in:

                                         ]-3,0.5[

Learn more about function here:

brainly.com/question/2649645

3 0
3 years ago
Y=_x+4<br> x + 2y =<br> 8<br> How many solutions dose this linear system have
jeyben [28]

Answer:

X=-1, y=4

Step-by-step explanation:

y = x + 4 \\ x + 2y = 8 \\  =  =  =  =  =  =  =  =  =  =  =  = \\ y - x = 4 \\ x + 2y = 8

by using eliminating property

3y = 12 \\ y = \frac{12}{3}    = 4

by substitution

X=-1

6 0
3 years ago
You just got done eating at your favorite restaurant you receive a bill of $55.22 and you want to leave a 20% tip. How much woul
MAVERICK [17]

Answer:

$11.04

Step-by-step explanation:

To calculate the tip, you would find 20% of 55.22 by doing this:

55.2 x 0.20 = ?

You will then get 11.04, and that is the tip.

Hope that helps :>

5 0
2 years ago
Read 2 more answers
2. Find the slope of the line graphed below!<br> Remember<br> Rise<br> Run<br> 10
Ivenika [448]

Answer:

-1/3

Step-by-step explanation:

4 0
3 years ago
Two companies working together can clear a parcel of land in 7 hours. working alone, it would take company a 4 hours longer to c
I am Lyosha [343]
The answer is B b/c i did the math
3 0
3 years ago
Other questions:
  • 2x + 3 = 4x + 2<br><br> No solution, One solution, or Many solutions
    8·2 answers
  • Mr. Patrick teaches math to 1515 students.
    14·1 answer
  • Which equation is true for all x- and y- values in the table below?​
    8·2 answers
  • Help is Strictly Needed.
    14·1 answer
  • The purity of gold is listed in karats. If a necklace is 75% what karat is it
    9·1 answer
  • Pat bounces a basketball 25 times in 30 seconds.At the rate,approximately how many time will pat bounce the ball in 150 seconds
    13·2 answers
  • Find the number if :<br> 5/9 of it is 90
    9·2 answers
  • In the jone school library,10/20 of the computers have scanners.in simplest form, which fraction of the computers have scanners?
    7·1 answer
  • 4x + 5y = 10
    15·1 answer
  • Please help!!!!!!
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!