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Luba_88 [7]
3 years ago
13

Given that f(x)= 9x^2-180, find x

Mathematics
1 answer:
hoa [83]3 years ago
3 0
9x^{2}  - 180 = 0

9x^{2}  = 180

Divide both sides by 9

 x^{2} = 20

Square root both sides, and you get

x =  \sqrt{20} --\ \textgreater \  simplified: 2 \sqrt{5}
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Georgie joins a gym. She pays $25 to sign up and then $15 each monthLabel the y-intercept, the slope, and your axes.
Degger [83]
The first thing you should do for this case is to find the equation of the line that best suits the problem and then plot it.

Let X: number of months and: amount paid.

The equation of the line is
y = 15x + 25 y-intercept = 25

the slope = 15

Answer:

Georgie pays (y axis) $ 15 dollars (the spole) monthly (x-axis) in the gym with a $ 25 registration (y -intercept)
7 0
3 years ago
1. Solve: -3x + 1 = 7
aksik [14]

Answer:

1. -2 = x

2. 19 = x

3. -22 = b

4. 30 = y

5. -5 = t

Step-by-step explanation:

1. -3x = 6 [-1 to the right side of the equivalence symbol]

2. 5x = 95 [23 to the right side of the equivalence symbol]

3. ᵇ/₂ = -11 [23 to the left side of the equivalence symbol]

4. ⅓y = 10 [7 to the right side of the equivalence symbol]

5. -2t = 10 [13 to the right side of the equivalence symbol]

I am joyous to assist you anytime.

7 0
3 years ago
8.) The following table shows the monthly
Vladimir79 [104]

Answer:

from June to July

Step-by-step explanation:

the biggest change was $70

4 0
3 years ago
NO WEBSITES/ fake links, inappropriate/ wired/ not helping comments or your getting reported! Help me with ALL the problems!
rjkz [21]

Answer:

1). 0.625

2). 0.5

3). 0.6

4). 1.75

5). 0.6666 (repeating decimal)

hope this helped!

6 0
3 years ago
Wanda has 4 crayons. 2 are eaten by a hippopotamus. How many crayons will Wanda have
krok68 [10]
Wanda has 2 crayons.
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Read 2 more answers
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