MATHEMATICS HIGH SCHOOL

Solve z2 – 15z + 56 = 0 using the zero product property. A. z = –5, –2
B. z = 8, 7
C. z = –4, 7
D. z = 8, –4

Answers

Answer 1
Answer: Answer: B

Heyy, this is a quadratic equation and I used the null factor law to solve this. So basically, find 2 numbers that multiply together to get 56, e.g. 8x7. But you have to make sure that the 2 numbers you choose add up to 15. Then put it in null factor law form, e.g. (z-8)(z-7)=0. Then just solve for 0. E.g. z-8=0. Which is 8. If you want, you can expand to check if it matches the original equation.. :')
Answer 2
Answer:

Answer:

B

Step-by-step explanation:Heyy, this is a quadratic equation and I used the null factor law to solve this. So basically, find 2 numbers that multiply together to get 56, e.g. 8x7. But you have to make sure that the 2 numbers you choose add up to 15. Then put it in null factor law form, e.g. (z-8)(z-7)=0. Then just solve for 0. E.g. z-8=0. Which is 8. If you want, you can expand to check if it matches the original equation.. :')

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Which of the number(s) below are potential roots of the function?p(x) = x4 + 22x2 – 16x – 12

Answers

Potential\ roots\ of\ the\ function:\n\np(x)=x^4+22x^2-16x-12\ are:\n\n\{\pm1;\pm2;\pm3;\pm4;\pm6;\pm12\}

Answer:

6,1,3

Step-by-step explanation:

1.- En la cooperativa escolar se vendieron 296 refrescos en total. Si los refrescos chicos vendidos fueron el triple de losmedianos. ¿Cuántos se vendieron de cada uno?​

Answers

Answer:

222 small ones and 74 middle ones

Step-by-step explanation:

The computation is shown below:

Let us assume medium ones be x

so the small ones be 3x

And, the total is 296

So, the equation is

x + 3 x = 296

4x = 296

Medium ones = x = 74

And, the small ones is = 3 × 74

= 222

What's the conversion factor used to convert miles to yards

Answers

The required, formula for converting miles to yards: yards = miles x 1760.

The conversion factor used to convert miles to yards is 1760. This means that 1 mile is equal to 1760 yards.

To convert from miles to yards, simply multiply the length in miles by 1760. For example, 5 miles is equal to 8800 yards (5 x 1760 = 8800).

Here is the formula for converting miles to yards:

yards = miles x 1760

Here are some examples of converting miles to yards:

1 mile = 1760 yards

2 miles = 3520 yards

3 miles = 5280 yards

4 miles = 6960 yards

5 miles = 8800 yards

Learn more about conversion factors here:

brainly.com/question/30567263

#SPJ6
use this conversion factor
1mile=1760 yards

Pls help ASAP for brainliest answer

Answers

Answer:

324cm^3

Step-by-step explanation:

The formula for calculating volume of a triangular prism is 1/2× bhl (b : base, h : height, l : length)

1/2 × 6 × 9 × 12 = 324cm^3

the area of the U.S. is about 3.778 million square miles. Approximately670000 square miles are worked for food production. what percent of the U. S. is worked for food production?

Answers

(670,000)/(3,778,000) × 100=9.71%

If a baseball player hits a baseball from 4 feet off the ground with an initial velocity of 64 feet per second, how long will it take the baseball to hit the ground? Use the equation h = −16t2 + 64t + 4.

Answers

you need to find the roots of the function, h(t)

then h(t) = 0 = -16t^2 + 64t + 4

divide both sides by -4

4t^2 - 16 t - 1 = 0

use the quadratic function

(-b+/- √(b^2-4ac) )/(2a)

substitue a = 4, b = -16, c = -1

you will get t1 ≈ 0 and t2 ≈ 4

Answer: approx. 4 seconds.

Answer: 2 plus or minus the square root of 17 end root over 2
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