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ankoles [38]
3 years ago
11

How many solutions does the following function have? f(x)=4x^2-100

Mathematics
2 answers:
pshichka [43]3 years ago
8 0

Answer: x = 5, -5

Step-by-step explanation:

Solve using the quadratic formula.

yan [13]3 years ago
3 0
92 if I’m wrong I’m sorry
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What is the solution for <br> x+y&gt;2<br> 2x-y&gt;1
blagie [28]

Answer:

x>1 and y>1

Step-by-step explanation:

x+y>2....... (i)

2x-y>1...... (ii)

Adding equations (i) and (ii),

x+y+2x-y>2+1

3x>3

x>3/3

x>1.

Putting the value of x in equation (i),

1+y>2

y>2-1

y>1.

3 0
3 years ago
Beth has 4900 feet of fencing available to enclose a rectangular field. one side of the field lies along a river, so only three
Illusion [34]

Perimeter (P) = 2L + x

            4900 = 2L + x   ⇒  4900 - x = 2L  ⇒ \frac{4900 - x}{2} = L

Area (A) = L · x

A  = (\frac{4900 - x}{2}) (x)

    = \frac{4900x - x^2}{2}

4 0
3 years ago
On Saturday, you bowl at Mar vista Bowl, where renting shoes costs $2 and each game bowled is $3.50. On Sunday, you bowl at Pinz
7nadin3 [17]

Answer:

  • 12 games

Step-by-step explanation:

Let the number of games is g

<u>Total cost at Mar Vista:</u>

  • 3.5g + 2

<u>Total cost at Pinz:</u>

  • 3.25g + 5

<u>Since same amount spent in both places, we have:</u>

  • 3.5g + 2 = 3.25g + 5
  • 3.5g - 3.25 = 5 - 2
  • 0.25g = 3
  • g = 3/0.25
  • g = 12
8 0
2 years ago
Three pith balls supported by insulating threads hang from a support. We know that ball X is positively charged. When ball X is
Tamiku [17]

Answer:

B. z has a negative charge

Step-by-step explanation:

7 0
3 years ago
Find the value of x for which d ||m.
Agata [3.3K]

Answer:

29

Step-by-step explanation:

4 0
2 years ago
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