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
hodyreva [135]
3 years ago
15

Evaluate the expression when x = 3. 2x2 - 5

Mathematics
1 answer:
liubo4ka [24]3 years ago
8 0

Answer:

7

Step-by-step explanation:

2x2 - 5

= (2x3x2)-5

= 12-5

= 7

You might be interested in
Will give brainliest if you help me
natali 33 [55]

Answer:

1120 in³

Step-by-step explanation:

The volume (V) of a cuboid is calculated as

V = area of base × height , then

V = 80 × 14 = 1120 in³

8 0
3 years ago
Solving Inequalities
Zepler [3.9K]

Answer:

n > 10

n < 9

Interval notation:

(-∞, 9) U (10, ∞)

Step-by-step explanation:

2n + 7 > 27 or 3 + 3n < 30

     -7     -7      -3             -3

2n > 20                 3n < 27

÷2    ÷2                ÷3     ÷3

n > 10                      n < 9

<---------            ----------->

<---------0--------0--------->

           9         10

I hope this helps!

6 0
1 year ago
Read 2 more answers
Madeleine says she can use a clock to show that 5/60 and 1/12 are equivalent fractions. Do you think she is correct? Explain.
Rasek [7]
Yes, 5/60, 5 divided by 5=1. 60 divided by 5= 12. Leaving you with 1/12. Meaning that both fractions are equivalent
5 0
3 years ago
Read 2 more answers
Plz will give brainlest if do all only answer if do all too thanks
hoa [83]

Answer:

sorry but i cant see what you have can you try again?

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What is the fourth number if three of the numbers are 80, 95, and 85?
Strike441 [17]
100 because it goes up 15 and 5
3 0
4 years ago
Read 2 more answers
Other questions:
  • PLEASE HELP ASAP
    15·1 answer
  • What is the value of x enter your answer you answer in the box
    6·1 answer
  • Based on an architectural drawing, a roof slopes to a drain along the function represented in the table that defines the edge of
    12·1 answer
  • Complete the synthetic division problem below.
    6·2 answers
  • Drag the tiles to the correct boxes to complete the pairs.
    9·1 answer
  • I need help now plzzzzxz
    9·1 answer
  • Is it possible to construct Triangle ABC with angles 40, 60 and 90 degrees?
    5·1 answer
  • Find the value of the length a x rounded to 1 DP. The diagram is not drawn accurately
    5·1 answer
  • Can I get this answer needed ASAP!! S= 18w + 38
    15·1 answer
  • Select from the drop-down menu to correctly complete the statement.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!