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
baherus [9]
3 years ago
9

Evaluate x2 + 3x – 7+ 8 when x = 4.

Mathematics
2 answers:
antiseptic1488 [7]3 years ago
4 0

Answer:

29

Step-by-step explanation:

Substitute 4 for x into the expression x^2+3x−7+8 and then simplify using the order of operations.

4^2+3(4)−7+8

16+12−7+8

29

Karo-lina-s [1.5K]3 years ago
3 0

Answer:

29

Step-by-step explanation:

Since they have given you x = 4, simply sub it into the equation,

(4)^2 + 3(4) - 7 + 8

=  29

You might be interested in
1 28<br> 3 <br> 140<br> fill in the blanks
exis [7]

Answer:

??? what are you asking to fill in

Step-by-step explanation:

7 0
3 years ago
What is the value of x? 6+8x2=5x
Gala2k [10]

Answer:

SUBSCRIBE TO PWEDIEPIE

floor gang oug

3 0
2 years ago
Read 2 more answers
Help please! i don’t understand how to do this!
atroni [7]

Answer:

x=c+b/a

Step-by-step explanation:

ax-b=c

    +b +b

ax=c+b

__ ___

a=c+b/a

4 0
3 years ago
Read 2 more answers
Which expression is equivalent to 3/2*3/2*3/2*3/2
lesantik [10]

Answer:

hello :

(3/2)×(3/2)×(3/2)×(3/2) = (3/2)^4


8 0
3 years ago
Explain the difference between correlation and causation and what makes causation difficulty to prove?
bixtya [17]
Ausation<span> vs. </span>Correlation<span>. </span>Causation<span> at its simplest definition refers to determining the cause or reason for some sort of phenomenon. ... A </span>correlation<span> is simply a recognized </span>relationship between<span> two things or events, but it does not imply</span>causation<span>. Rather, in cases of </span>correlation<span>, one thing or event predicts another. hope it helps</span>
6 0
2 years ago
Other questions:
  • They ratio of pencils to erasers is 4:1 if their are 20 pencils how many erasers are there
    9·1 answer
  • A student needs to make a square cardboard piece. The cardboard should have a perimeter equal to at least 92 inches. The functio
    7·1 answer
  • Please help me out with this because I have this due today and I’m trying to finish either way I wanna make sure if it’s right o
    5·1 answer
  • What is the value of the expression?<br><br> [(1+5)⋅2−5]⋅2
    14·1 answer
  • you deposit $1.000 in a saving account that earns 0.5% each month. Assuming you do not deposit or withdraw any from the account,
    6·1 answer
  • A jar contains 38 marbles. It has 10 red, 22 black and 6 green marbles. Two marbles are drawn, the first is not returned before
    12·1 answer
  • Use the relationship to predict the cost of a . bag of coffee. Do not include units ($) in your answer.
    14·1 answer
  • Which of the following functions has the steepest slope
    7·1 answer
  • Find the volume of the prism.
    12·1 answer
  • For his long distance phone service, Milan pays a$ 5 monthly fee plus 9 cents per minute. Last month, Milan's long distance bill
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!