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
blsea [12.9K]
2 years ago
15

I need help please and explain your answer it’s number 4

Mathematics
1 answer:
Brums [2.3K]2 years ago
8 0

Answer:

29

Step-by-step explanation:

Well "value" of 3x^2 - 7x + 9 when x = 4 is just x plugged into the expression

3 * 4^2 - 7 * 4 + 9

3 * 16 - 28 + 9

= 29

You might be interested in
A wire is bent to form a square with a perimeter of 16.4 cm. how much wire would be needed to form 25 such squares express your
enyata [817]
If one square takes 16.4 cm of wire, this means that to form 25 identical squares you need 25(16.4) cm of wire = 410 cm 

To convert this to m you just need to divide it by 100 because there are 100 cm in one meter = 4.1 m 

Therefore your final answer is: You need 4.1 m of wire to form 25 squares, each with a perimeter of 16.4 cm.
4 0
3 years ago
Carl has 200 songs on MP3 24 songs are country what is the percentage of his country songs
Arturiano [62]
12%. since this 24/ 200 if you just divide it by 2 you get 12/ 100 meaning 12%
8 0
3 years ago
Read 2 more answers
1. What is a real world example when you would have to find the circumference of something? Explain.
nikitadnepr [17]
A ferris wheel
A construction worker whose making a ferris wheel would need to know and measure the circumference.
A theme park manger would need to find the circumference to know if the ferris wheel is too big to go into the park.
Hope that helps!!
4 0
3 years ago
Solve for x and select the correct answer
Rashid [163]

Answer:

10

Step-by-step explanation:


3 0
3 years ago
5 times what is 1590!?
levacccp [35]
To solve this all you need to do is do the opposite of multipulcation:

1590/5

Which equal 318. To check you answer do 318×5
4 0
2 years ago
Read 2 more answers
Other questions:
  • Explain how knowing that 5÷8=0.625 helps you write the decimal for 4 5/8
    12·1 answer
  • If x-2y=0 and 3x + y =7 what is the value of x
    10·1 answer
  • Which is the greatest of these rational numbers?
    12·2 answers
  • Two offices are participating in a weight loss challenge.
    11·1 answer
  • Josh weighs 42 kilograms and Jared weighs 40 kilograms. what is the combined mass, in grams, of Josh and Jared
    14·1 answer
  • Am having so much trouble
    6·2 answers
  • Ralph bought some oranges. The weight of the oranges was 2.5 kilograms. How many grams is this? 25,000 g 0.025 g 0.0025 g 2,500
    11·2 answers
  • Amanda's poster is 0.85 meter long. Orlando's poster is 0.55 meter less than 1 meter long. Which expression shows the difference
    8·1 answer
  • Jimmy paid off a mortgage by paying $775 per month for 12 years. What was the original amount of the mortgage if the interest ra
    5·1 answer
  • In a survey of adults, 18% lift weights regularly, 32% run regularly, and 7% lift weights and run regularly. What is the conditi
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!