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
Salsk061 [2.6K]
3 years ago
12

If h(x) = 2x4 - 4x2 - 2x, then h(3)=

Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
8 0
Answer: 120

Step by step solution: see photo

Kruka [31]3 years ago
6 0

Answer:

h(3)=-6

Step-by-step explanation:

sub 3 into all the positions which variable X is present

h(3) =( 2 \times 4) - (4 \times 2) - 2(3)

h(3) = 8 - 8 - 6

h(3) =  - 6

You might be interested in
Timmy estimated he would spend $9 at the candy store. He went a little over-budget and spent $12. What was the percent error?
kap26 [50]
<h2>Answer :</h2>

  • Error (e) = 12 - 9 = $ 3

  • assumed value (a) = $ 9

\boxed{ \mathrm{ \% \: error = \dfrac{error}{assumed \: value} \times 100}}

  • \mathrm{ \% \: error =\dfrac{3}{9} ×100}

  • \mathrm{ \% \: error = \dfrac{1}{3} ×100}

  • \mathrm{ \% \: error = 33.33 \%}

_____________________________

\mathrm{ \#TeeNForeveR}

8 0
3 years ago
-7+b=-8 step by step plz
Gelneren [198K]

Answer:

b=-1

Step-by-step explanation:

-7+b=-8

Add 7 to each side to isolate b

-7+7+b=-8+7

b = -1

7 0
3 years ago
Read 2 more answers
Today, everything at a store is on sale. The store offers a 20% discount. The regular price of a shirt is $14. What is the disco
USPshnik [31]

Answer:

$11.20

Step-by-step explanation:

The regular price of the T-Shirt is $14 dollars. The discount is 20% off.

20 percent of 14:

14 * 0.2 = 2.80

You would save $2.80.

14 - 2.80 = 11.20

The discount price should be $11.20.

Hope this helps.

4 0
3 years ago
Maya wants to buy a house for $275,000 by taking out a 30-year fixed-rate mortgage with an interest rate of 6%. She plans on mak
Marina86 [1]

Hello,

First you have to multiply $275,000 x 30 x 6% = $495,000.

then 495,000 x 6% = 29,700.

That is the answer it is between 25,000 - 45,000....

Hope I Helped!!!

6 0
3 years ago
Read 2 more answers
Francesca is growing 12 inches each year. How many years will it take for her to grow 6 inches
worty [1.4K]

Answer:

half a year

Step-by-step explanation:

if she grows 12 inches in one year 6 is half of that so half a year or 6 months

5 0
2 years ago
Read 2 more answers
Other questions:
  • Benny opened a bank account. He deposited $92.50 into his account every month for 10 months. He used $36.50 every month to pay f
    5·1 answer
  • A donkey eats 3/9 of a hay bale a week. How many hay bales does he eat in 21 days?
    9·2 answers
  • PLZZ HELP!!! ⚠️⚠️ ATTACHED AND NEEDS DONE ASAP!
    13·1 answer
  • Calculate Alberts average speed<br> time:12 minutes<br> distance:100 meters
    9·1 answer
  • In the diagram mz3= x+ 30 and mz4 =2x-80. What is the measure of angle 3?
    8·1 answer
  • Convert the following number to scientific notation.
    12·2 answers
  • Which side of coordinates does NOT represent a function?
    14·1 answer
  • 2k - 3(4 - k) = 3k + 4<br> whats k?
    13·1 answer
  • need help nooooooooooooow what is 12349898 x 989888989-123876 i just made that up but if you can solve is u are awesome
    8·2 answers
  • On Monday, the ABC Company stock was at $12.80 per share. On Tuesday it gained $3.42, and then lost $9.70 on Wednesday. What is
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!