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
olya-2409 [2.1K]
3 years ago
11

Evaluate the expression when a=-7. a^2+4a-2

Mathematics
1 answer:
andrey2020 [161]3 years ago
4 0

Plug in the value to solve the expression.

(-7)^2+4(-7)-2

49-28-2

19

Hope this helps.

頑張って!

You might be interested in
25, 8, 10, 35, 5, 45, 40, 30, 20 What is the upper quartile of the data set above?A.35
Vlada [557]
<span>An upper quartile is the range of numbers above the median in a set. Thus, the numbers have to be rearranged mentally or on paper. Fortunately, there are an odd set of numbers, so one number, 25, is the median. The upper quartile is 30, 35, 40, 45.</span>
6 0
3 years ago
Would appreciate someone’s help :)
Marrrta [24]

Count the squares

Side 1:5

Side 2:7

Side 3: 5

Side 4: 7

4 0
3 years ago
Use this area model to find One-fourth divided by 3.
eimsori [14]

Answer:

It is

Step-by-step explanation:

1/12

That's correct

6 0
2 years ago
Pls help me on this im stuck
Luden [163]

Answer:

44 or B

Step-by-step explanation:

Look at comments above

8 0
2 years ago
Read 2 more answers
How many faces does the solid made from the net below have? A. 7B. 8C. 12D. 18
Kruka [31]

Answer:

B. 8

Explanation:

The figure forms a septagon.

The hexagons form the base, and the rectangles attached to them form the sides.

Therefore, in total the solid has two hexagons as sides and 6 rectangles connecting the hexagon to the base hexagon. Hence, in total the solid has

2 + 6 = 8 faces.

7 0
1 year ago
Other questions:
  • When adding numbers which way do you usually work
    15·1 answer
  • What is the LCM of 504 and 594.
    5·1 answer
  • Find the coordinates of the image after a reflection across y=-1 followed by a translation &lt;2,-1&gt;.
    5·1 answer
  • Y=a(x-3)^2-1 What is the value of a?
    9·1 answer
  • What is the value of x in the equation 2.5-0.25x=-3?<br> 7-22<br> o 1 1<br> o 22
    11·1 answer
  • Find the common ratio 24,18,37/2,81/8
    12·1 answer
  • The enrollment of students in evening classes at a local university decreased by 8% between two recent years. If the total numbe
    7·1 answer
  • Please explain this to me and say the answer!! ASAP!!!
    14·1 answer
  • In the system of equations below what is the value of y? 3x+3y=30 x=2y+1 (use substitute to solve.)
    5·1 answer
  • Un círculo con circunferencia igual a 20 tiene un arco con ángulo central igual a 72°.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!