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
laila [671]
3 years ago
12

Evaluate 12x2 + 39x + 30 at x = 3.

Mathematics
2 answers:
astraxan [27]3 years ago
4 0

Answer:

255

Step-by-step explanation:

f(x) = 12x^{2}\\ + 39x + 30

f(3) = 12(3)^{2} + 39(3) + 30

= 108 + 117 + 30

= 255

ycow [4]3 years ago
3 0

Answer:

255

Step-by-step explanation:

12x^(2) + 39x + 30

x = 3

Substitute in"3" for "x" and solve;

12(3)^(2) + 39(3) + 30

= 12 * 9 + 117 + 30

= 108 + 117 + 30

= 255

You might be interested in
Which ordered pairs in the form (x, y)(x, y) are solutions to the equation
kap26 [50]
The answer is (-1,-7) because you are pluging it in -1 is x and -7 is y. so 7×-1=-7 and 5×-7 = -35 so -7 minus -35 =28
6 0
3 years ago
Please help, this is my homework and I am a little confused​
Yanka [14]

Answer:

1) D 2)J 3)D 4)H 5)D

Step-by-step explanation:

1) The four quadrants are 1 (+,+) 2 (-,+) 3 (-,-) 4 (+,-)

2) Point A moved 0 spaces left/right but 6 spaces up.

3) Moving left and down means negative x and y. Moving right and up is positive x and y.

4) Moving left and down means negative x and y. Moving right and up is positive x and y.

5) It kept on moving at a constant rate except for the short horizonal line showing no movement.

<em>Hope I helped </em>

5 0
3 years ago
Read 2 more answers
A scuba diver is at an elevation of −18 ft. She then descends 30 ft deeper. What is the scuba diver's new elevation?
sladkih [1.3K]
-18 - 30 = -48
The Scuba Diver is now 48 feet below sea level.
7 0
3 years ago
What is albgrea pls i am a 5th grade
Vilka [71]

Answer:

the part of mathematics in which letters and other general symbols are used to represent numbers and quantities in formulae and equations.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Experimental probability
mrs_skeptik [129]
<span>

Experimental probability is the ratio of the number of times an event occurs to the total number of trials or times the activity is performed.</span>
3 0
4 years ago
Other questions:
  • Your cell phone plan gives you 500 minutes monthly. If you have used 310 minutes already and there is a week left in this month,
    15·2 answers
  • Subtract (-4z^2-11u)-5z^2 simpliest terms
    14·1 answer
  • 12 equals x times the square root of 2
    10·1 answer
  • 8 less than 1/3 a number n is -13
    11·1 answer
  • Stuck on this question​
    10·1 answer
  • 4) A trucker wanted to track how long it took to reach Concord. When she started out, her clock
    14·2 answers
  • Farmer Brown and Farmer Smith both grow Wheat. Farmer Brown's field has an area of 5/4 acres, and Farmer Smith's has an area of
    5·1 answer
  • Pease help me i really need this
    7·2 answers
  • I need for missing test
    5·2 answers
  • A wise man once said, "400 reduced by 4 times my age is 8." What is his age?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!