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
yawa3891 [41]
3 years ago
10

Find the value of 7x^2+2x when x=3

Mathematics
1 answer:
frozen [14]3 years ago
8 0

Answer:

69

Step-by-step explanation:

so x2 will give you 9 times 7 which is 63. add it to 2 times 3 which is 63 + 6 will give you 69.

You might be interested in
A package of 3 pairs of insulated gloves costs $15.57. What is the unit price of the pairs of gloves?
Illusion [34]

Answer:

$5.19

Step-by-step explanation:

→ Write the ratio

3 : 15.57

→ Divide both sides by 3

1 : 5.19

8 0
3 years ago
During a science experiment, the temperature of the solution in beaker one was 5° below zero. The temperature of a solution in b
Lana71 [14]
<span>5° below zero is -5 degrees
</span><span>The temperature of a solution in beaker two what is the opposite of the temperature in beaker one so it's 5 degrees above zero
</span>
answer
<span>5° above zero</span>
4 0
3 years ago
A rectangular prism has a height of 8 feet and a volume of 640 feet what is the area of the base of the prism
sp2606 [1]
The volume of a prism = area of the base * height

substitute:
640 = A * 8

base area=80 sq ft<span />
5 0
2 years ago
8-1/3x=16 how do I do it correctly
DanielleElmas [232]
First you want to change the fraction into a decimal on this one the decimal is going to be .3333 now your problem looks like 8-.3333x=16 now subtract the 8 and you get -.3333x=16 now divide by -.3333 and you get -48
7 0
2 years ago
Kara has four boy cousins and three girl cousins. Write a fraction to represent the part of her cousins that are girls. Use / fo
Troyanec [42]
Here is the answer Either 3/4
Or 3:4



7 0
3 years ago
Read 2 more answers
Other questions:
  • Help Please this is algebra one!!
    9·1 answer
  • Mean median mode range on 83 75 74 40 85 64 23 68
    9·1 answer
  • What is factored form of x2-12x-4?
    8·1 answer
  • Sarah paid $18,444 for a new car last week. This price was 6 percent above the vehicle’s invoice price. What was the dollar amou
    12·2 answers
  • A rectangular parking area measuring 6000 ft squared is to be enclosed on three sides using​ chain-link fencing that costs ​$5.5
    6·1 answer
  • The given lengths are two sides of a right triangle. All three side lengths of the triangle are integers, and together they form
    12·1 answer
  • This is a statistics and probability guys help ehem! Senior high here! Help meeee
    7·1 answer
  • Olivia paid $28 for a pair of boots that sold regularly for $80. What
    8·1 answer
  • A marble begins a marble track at 18.5 inches above the tabletop. It goes down a slide 8 inches long, rides up two paddle wheels
    14·1 answer
  • If Carly has 3 apples and she eats 2 of them how many apples does she have left
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!