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
gladu [14]
4 years ago
6

If x = -3, calculate the value of: 2x2 + x

Mathematics
1 answer:
user100 [1]4 years ago
8 0
At x=-3:

2x^2+ x
= 2(-3)^2+ (-3)
= 2*9 -3
= 18 -3
= 15

The value of 2x^2+ x is 15 if x=-3~
You might be interested in
Which units should she use to report the distance from the earth to the moon?
Anvisha [2.4K]
Well,

The distance from the earth to the moon, FYI, is over 200,000 miles.  That is a LONG distance.  We are trying to find a reasonable unit of measurement.

What do we mean by "reasonable?"  We mean that that unit should be able to express the distance as a number that is not huge or tiny.  In other words, we want it to be as close as possible to 1.

mm, or millimeters, is a tiny unit.  It is not reasonable.

cm, or centimeters, is also a tiny unit.  It also is not reasonable.

m, or meters, is also a relatively small unit.  It also is not reasonable.

km, or kilometers, is the largest of the four.  In km, the distance from the earth to the moon is about 363,000 km.  That's not too bad.

However, if these weren't the only options, I would choose Mm, or megameters, which would put the distance at 363 Mm.

The correct option is D.
7 0
3 years ago
How many years (approximately) will it take $6,000 to amount $8,000 if it is invested at an annual rate of 9.0% compounded conti
quester [9]

Answer:

It should take roughly 3.5 years

Step-by-step explanation:


6 0
3 years ago
Read 2 more answers
Can someone plz help me i will thank u so much
klemol [59]

Answer:

2 hours and 29 minutes

Step-by-step explanation:

if you change 9 hours to minutes you get 540 plus 17 equals 557. if you turn 6 hours to minutes it's 360 plus 48 equals 408. 557 minus 408 equals 149 minutes. Now if you convert it to hours and minutes you need to divide by 60. So if you divide it you get 2 hours and 29 minutes. hope this helped! :)

4 0
4 years ago
What expression is not equal to 1/4 of 52?
dmitriy555 [2]
1/4 of 52 = 13.
you didn't list the options....


3 0
4 years ago
Solve for x using the Quadratic Formula: x2 + 4x + 4 = 0 x = −2
EleoNora [17]

Answer:

x=-2

Step-by-step explanation:

x^2+4x+4 = 0

(x+2)(x+2) = 0

x+2=0

x=-2

6 0
3 years ago
Read 2 more answers
Other questions:
  • Which friend has greatee elevation & which friend is father from sea level?
    15·1 answer
  • C) Ali had x packets of nasi lemak and shared
    12·1 answer
  • Chris says that is halfway between 0.5 and 100%.<br> Is Chris correct? You must explain your answer
    11·1 answer
  • Solve r = 4/3(p-q) for p.
    8·1 answer
  • 3. Spaceship Earth is the most recognizable structure at Epcot Center at Disney World in Orlando, Florida.
    5·1 answer
  • Pls help how much of a greater chance is there in drawing a spade over drawing a 7
    8·1 answer
  • The school bleachers measure 25 feet from the floor diagonally to the top seat. They extend 20 feet from the back wall.
    7·1 answer
  • Find many ways of arranging 24 counters in equal rows as you can. Write a multiplication sentence for each way
    14·1 answer
  • SOME ONE ANSWER ASAP PLSSSsss
    12·2 answers
  • Is table salt an Electrolyte?​
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!