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hodyreva [135]
4 years ago
15

Find a polynomial equation that has double zeros at x = -3, and x = 4. A) y = (x + 3)(x - 4) B) y = (x - 3)(x + 4) C) y = (x + 3

)2 (x - 4)2 D) y = (x - 3)2 (x + 4)2
Mathematics
1 answer:
Fed [463]4 years ago
8 0

Answer: the answer is C.

Step-by-step explanation:

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Answer:

84.8 sq in

Step-by-step explanation:

The area of the top and bottom are each 1/2(3.7 x 4) = 7.4, so they total 14.8

2 of the sides are 5 x 5 = 25, so they total 50

1 side is 5 x 4 = 20

14.8 + 50 + 20 = 84.8 sq in

4 0
3 years ago
Taxi company A charges $4 plus $2 per mile. Taxi company B charges $5 plus $3 per mile. Which system best represents this proble
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Answer:

The second option

Step-by-step explanation:

To solve this, you should convert both rates to equations, with y being the total fare, and x being the number of miles. The rates of both use the format y=mx+b (where m is the amount per mile and b is the flat rate, or original rate).

By subbing in the values for m and b, you get y=2x+4 for A and y=3x+5 for B. This is the second option.

**This question involves writing linear equations, which you may wish to revise. I'm always happy to help!

4 0
3 years ago
Joan is hiking. She wants to cover 1,600 feet. She hikes 600 feet every 3 hours.
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y = -200x +1600

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3 years ago
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lara31 [8.8K]

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Step-by-step explanation:

7 0
3 years ago
Researchers once surveyed students on which superpower they would most like to have. The following two-way table displays data f
GenaCL600 [577]

Answer:

The percent of students in the sample who were male is 48%.

Step-by-step explanation:

The complete question is:

Researchers once surveyed 100 students on which superpower they would most like to have. The following two-way table displays data for the sample of students who responded to the survey.

Superpower    Male    Female    TOTAL

Fly                      26           12           38

Invisibility           12           32           44

Other                  10            8            18

TOTAL               48           52          100

What percent of students in the sample were male?

Solution:

The probability of an event <em>E</em> is the ratio of the number of favorable outcomes to the total number of outcomes.

P(E)=\frac{n(E)}{N}

The number of males in the sample is, <em>n</em> (M) = 48.

Total number of students, <em>N</em> = 100.

Compute the probability of selecting a male student as follows:

P(M)=\frac{n(M)}{N}\\

          =\frac{48}{100}\\\\=0.48

Then the percent of students in the sample who were male is:

\text{Percent of Males}=P(M)\times 100\%

                          =0.48\times 100\%\\\\=48\%

Thus, the percent of students in the sample who were male is 48%.

4 0
3 years ago
Read 2 more answers
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