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
aev [14]
3 years ago
10

If 18 is subtracted from twice the square of an integer, the

Mathematics
1 answer:
Sergeu [11.5K]3 years ago
5 0

Answer:

-3/2

Step-by-step explanation:

Let x = the integer:

2x^2 - 18 = 9x

2x^2 - 9x - 18 = 0

Now either factor that or use the quadratic formula if you're lazy like me.

x = -3/2 and 6, so x must be 6 because it has to be an integer.

You might be interested in
HELPP please.. please pleaae
Zinaida [17]

Answer:

A=80

B=31

C=64

Step-by-step explanation:

A, 69, and b will equal 180 since it forms a straight line

A+69+b=180

to solve for A we subtract 53+47 from 180 and get 80

80+69+b=180

to get B we subtract 80+69 from 180 and get 31

to get c we add 85+b and subtract it from 180 getting c=64

6 0
3 years ago
Read 2 more answers
Can someone help me with this problem? It’s rlly hard
Masteriza [31]

Answer:

4(5+8)

Step-by-step explanation:

The GCF of 20 and 32 is 4. Then you divide 20 and 34 by 4.

5 0
2 years ago
Which of the following is the solution for 7 - 4x ≥ 35 ?
melamori03 [73]
There are no solutuons listed (says which of the following). My answer below should be in the list to choose from.

7 - 4x ≥ 35
subtract 7 from both sides

-4x ≥ 28
divide both sides by -4 AND change the direction of the inequality sign because we're dividing by a negative

x ≤ -7

CHECK:
7 - 4x ≥ 35
7 - 4(-7) ≥ 35
7 + 28 ≥ 35
35 ≥ 35

ANSWER: x ≤ -7

Hope this helps! :)
7 0
3 years ago
Solve equation 4(k-6)-(3k +2)=-5
Alja [10]
4 (k-6)-(3k+2)=-5
4k-24-3k-2=-5
k-26=-5
k=21
4 0
3 years ago
Solve for the value of x: 3x + 25 = 2/3 (6x - 15)​
n200080 [17]

3x + 25 = 2/3 (6x - 15)

9x + 75 = 12x - 30

75 + 30 = 12x - 9x

3x = 105

x = 105 : 3

x = 35

3 0
3 years ago
Other questions:
  • In the game Kazoo, teams lose one point each time they skip a turn. They earn one point each time their team guesses correctly.
    9·1 answer
  • Write an explicit formula for the sequence and find the 18th term.<br> -4, 12, -36...
    14·2 answers
  • What is 6(-7+6i)(-4+2i)?
    6·1 answer
  • What do the following two equations represent? y=-3x+1 y+5= -3(x-2) a) the same line b) distance parallel lines c) perpendicular
    5·1 answer
  • Tony wants to put $318,000 in his retirement savings account. It earns an interest rate of 7.1% compounded quarterly. He wants t
    11·1 answer
  • What is the REMAINDER of 15,908 divided by 13?
    14·2 answers
  • 5 - 9.5 = 5 + __<br><br> ^^ Enter a number in the space provided to make the equation true.
    12·2 answers
  • B. Find the GCF and LCM of 2^3 x 3^4 x 7 and 2^5 x 5^2 x 7^3 x 13<br> Please urgent!
    13·2 answers
  • Die m-my dinosaur nuggys are gone ​
    11·1 answer
  • 7x - 4 ≤ 6<br><br> solving inequalities
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!