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
solong [7]
2 years ago
15

What is the value of 5k2−6 when k = 9?

Mathematics
1 answer:
Anarel [89]2 years ago
5 0

Answer:

84

Step-by-step explanation:

Plug in 9 for k.

5(9)(2) - 6

first: (9)(2) = 9 x 2 = 18

5(18) - 6

second: 5(18) = 5 x 18 = 90

last: 90 - 6 = ?

84

hope this helps

You might be interested in
Write down all the prime numbers between 15 and 25
Tju [1.3M]
17,19,23 are the prime numbers
8 0
3 years ago
Read 2 more answers
A. 0.12<br> B. 0.13<br> C. 0.14<br> D. 0.15<br> Explain why you chose the answer
blagie [28]
The answer is C. 0.14
8 0
3 years ago
A business owner would like to know if the new marketing strategy improves their sales. They recorded their average income befor
Savatey [412]
The answer is 220.214 is the correct answer because you see the the income and if you add that up that’s the how much level will come up
7 0
3 years ago
Help please and please explain how I don’t understand
Dmitriy789 [7]

Answer:

ohhh yea that's a umm carot

3 0
3 years ago
Read 2 more answers
Y2 +4y+1<br> ; y = -2 .<br> y2-1
morpeh [17]

Step-by-step explanation:

y2+4y+1=0. where, y=-2

(-2)2+4(-2)+1

-4-8+1=0

-12+1=0

-11=0

5 0
3 years ago
Other questions:
  • The length of a rectangle is twice the width. the perimeter of the rectangle can be expressed as 3⋅13.73. what is the width?
    7·1 answer
  • Annabelles homework is 75% complete.it took her 3 hours. how long should she estimate it will take her to complete her homework.
    10·2 answers
  • 7x^2 - 21x<br> Factor the Polynomial
    5·1 answer
  • A town park has two biking trails. Marsh trail is 5 3/10 Miles long . Woodland Trail is 2 4/5 Long. How much longer is Marsh tra
    6·1 answer
  • What is the slope of the line passing through the point(2,-1) and the origin.
    13·1 answer
  • What's the equation of the line that passes through the points (-8,4) and (0,22)?
    13·2 answers
  • Simplify: √18 - √24 + √54
    8·2 answers
  • What is the value of x?<br> (Not multiple choice)
    12·2 answers
  • What are the digits of pi after 14?
    13·2 answers
  • Question 3 of 10
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!