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3 years ago

15

The quadratic formula can be used to find the blank of a quadratic function

1 answer:

ExtremeBDS [4]3 years ago

3 0

quadratic formula is used to find "zeros" or the x-intercepts, the x values where y = 0

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pshichka [43]

A) log (33)
B) log (7/9)

Use the log addition and subtraction rule

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3 years ago

A field test for a new exam was given to randomly selected seniors. The exams were graded, and the sample mean and sample standa

Naya [18.7K]

The 90% confidence interval is (70 - 4, 70 + 4). The margin of error is 4%.

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4 years ago

The height of a cone-shaped statue is 9 ft, and the diameter is 12 ft.

Pepsi [2]

I hope this helps you

Volume of cone =1/3.pi.r^2.h

Volume of cone =1/3.3,14.6^2.9

Volume of cone =339.12

3 0

3 years ago

Read 2 more answers

Sarah needs to have a plumber come to her house and fix a leaky faucet in her bathroom. The plumber charges $50 to come to her h

klio [65]

Answer:

Sarah can have the plumber work on her faucet for six (6) hours maximum

Step-by-step explanation:

Hi

As Sarah has only $234.50 in her savings and the plumber charges $50 just to come to her home, so left-over $184.50 of her saving for pay work hours.

Then as the plumber charges $30.75 per hour we have that $\frac{\$ 184.50}{\$ 30.75/h}=6h$ is the maximum amount of hours that Sarah can have the plumber work on her faucet.

3 0

3 years ago

The price of a car was decreased by 20% to £720.<br> What was the price before the decrease?

Tems11 [23]

Answer:

£864

Step-by-step explanation:

20% of 720= £144

720+144= 864

3 0

3 years ago