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
Arturiano [62]
3 years ago
12

Can somebody please help me with this question!! I will appreciate the help dearly

Mathematics
1 answer:
SpyIntel [72]3 years ago
7 0

Answer: -7, 7

Step-by-step explanation:

-2x^2 - 9 = -107

-2x^2 + 98 = 0 (add 107 to both sides)

-2(x - 49) = 0 (factor out -2)

-2(x - 7)(x + 7) = 0 (factor)

x - 7 = 0

x = 7

x + 7 = 0

x = -7

You might be interested in
Anyone know this mathswatch fraction question ???
Sophie [7]

Answer:

5 9/14

7 1/2

Step-by-step explanation:

a) 4 1/7 + 1 1/2= 4+ 1/7 +1 +1/2 = 5 + 1/7 +1/2 = 5+ 2/14 + 7/14= 5 + 9/14= 5 9/14

b) 4 1/2 ÷ 3/5 = 9/2 ÷ 3/5 = 9/2 *5/3= 3/2*5= 15/2= 7 1/2

3 0
3 years ago
Read 2 more answers
If the measure of the angle in the southwest corner of the intersection of Broadway and 21st Street is approximately 105ºwhat is
Karolina [17]

Answer:

95°

Step-by-step explanation:

The angle on the 20TH street and 22ND street must add up to 180° so the answer is 95°

5 0
3 years ago
What is 18÷(-9) equal
Westkost [7]

18 divided by (-9) equals -2.


4 0
3 years ago
Read 2 more answers
Ollie borrowed $5000 for 3 years at a compound interest rate of 10%.
I am Lyosha [343]
I think Ollie payed $1,500 back.
3 0
1 year ago
Read 2 more answers
ASAP <br>What is the domain?
WARRIOR [948]

real numbers hope it helps

7 0
3 years ago
Other questions:
  • Suppose that the probability of getting a job offer (from a specific company) is 0.17. Suppose that we observe empirically that
    13·1 answer
  • From the numbers 1 through 10 which one of these statements is true
    8·2 answers
  • Use a calculator to evaluate cot π/5.
    15·1 answer
  • You deposit $2000 each year into an account earning 3% interest compounded annually. How much will you have in the account in 25
    7·1 answer
  • Calculate the constant of variation if y varies directly as x. y = -3 x = 2
    12·2 answers
  • Can somebody help me please i need to order these numbers from lease to greatest
    15·2 answers
  • The formula for the volume of a cylinder is Y = gr). Solve y = grn for h, the height of the cylinder. O A. = O B. has Yr2 OC. h
    12·1 answer
  • ASAP PLEASE—For every 5 trees they sold in the spring this year, they only sold 2 trees in the fall. If the nursery sold 600 tre
    12·2 answers
  • Use algebra to solve the same equation.
    10·1 answer
  • A bakery used 25% more butter this month that last month. If the bakery used 240 kilograms of butter last month, how much did it
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!