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
Alex17521 [72]
3 years ago
14

Evaluate 5z^2 when z = 3 and when z = -3

Mathematics
2 answers:
Stella [2.4K]3 years ago
7 0
5(3)^2=45 5(-3)^2=45
erastova [34]3 years ago
3 0
When Z=3 it is 45 and when Z=-3 it is also 45.
You might be interested in
Which is a better deal: 10 pounds of hamburger for $4.99 or 5 pounds of hamburger for $2.69? PLEASE HELP ME QUICKLY ILL LOVE YOU
JulijaS [17]

Answer:

10 pounds for $4.99

Step-by-step explanation:

If you multiply the 5 pounds for 2.69 by 2, you would get 10 pounds of hamburger for 5.38 which is more than 4.99

7 0
2 years ago
Read 2 more answers
Which inequality represents the graph below?
telo118 [61]

Answer:

The answer is B

the shaded part is below which signifies a less than sign

so you can cross out options A and C

now make y=0

for option B, it will give √Xless than or equal to √4

for option D, it will give √4 less than or equal to √x

to bring √x to the other side, the inequality sign will change to greater than

Therefore the answer is B

7 0
2 years ago
A customer pay 18 for a DVD that originally cost 20. What is the percent decrease in the cost of the DVD
natima [27]

The discount is $2. 2/20 is 0.1 or 1/10 which as a percentage would be 10%. The discount of $2 is <u><em>10%</em></u> off.

8 0
3 years ago
A monsoon dumped rain on a coastal area. in twelve hours 20 inches of rain had fallen. how much rain will fall over a period of
Setler [38]

Answer:

80

Step-by-step explanation:

If in 12 hours 20 inches falls in 24 hours 40 inches will fall and another 12 hours would be 60 inches. And another 12 hours you will get 2 days so your answer is 80

4 0
3 years ago
Read 2 more answers
Using the distributive property write numerical expression that is equivalent to 25+10
Norma-Jean [14]

Answer:

5(5 + 2).

Step-by-step explanation:

5 is a factor of 25 and 10 so :

15 + 10 = 5(5 + 2).

5 0
3 years ago
Read 2 more answers
Other questions:
  • In a random sample of 13 microwave​ ovens, the mean repair cost was ​$85.00 and the standard deviation was ​$15.30. Using the st
    15·1 answer
  • What's the algebraic expression for the sum of v and 3
    11·1 answer
  • Consider △ABC.
    10·2 answers
  • Walt grew 10 centimeters in 1 year.He is now 1.6 m tall.How tall was he 1 year ago
    6·2 answers
  • A hyperbola has vertices (5,0) and (-5,0). Its
    15·1 answer
  • Which is the lower left quadrant on the coordinate plane?
    15·2 answers
  • Help with math<br> Picture attached
    11·1 answer
  • The ratio of Sam's money to Buffy's is 1.2. If Sam has $3, how much money does Buffy have? Show your work please
    13·1 answer
  • Help me with this question
    7·1 answer
  • Valentine's Day is coming up, so Sweet Dreams chocolate shop is ordering ribbon to decorate gift boxes. Small gift boxes use 20
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!