MATHEMATICS HIGH SCHOOL

What is the square root of 64y16?

4y4
4y8
8y4
8y8

Answers

Answer 1
Answer:

Answer:

D.

Step-by-step explanation:
Answer 2
Answer:

Answer:

D. 8y8

Step-by-step explanation:

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Z^5=-7776iFind the solution of the following equation whose argument is strictly between 270 and 360 degrees

Answers

Answer:

Z=+6

Step-by-step explanation:

Z^5=-7776i

Let's note that i I mathematics means negative one i.e

i = -1

So the equation is equal to

Z^5=-*-(7776)

Z^5 = 7776

Z= 5√7776

Since it's a divisible by 6

It's giving us a clue that 6 it's the answer.

Ok let's check the 5th root of 7776 in our calculator.

Z=+6

+6 is the solution to the equation

Z^5=-7776i

PLEASEEE HELPP ITS DUE IN 10 minutes!!The width of a rectangle is 8y- 4.5 feet and length is 4.5y+10 feet. Find the perimeter of the rectangle

Answers

Answer:

perimeter=2(8y-4.5+4.5y+10)=2(3.5y+5.5)=7y+11

What is the equation of the graphed line in point-slope form? y – 1 = 2/3 (x + 3), y – 1 = 2/3 (x – 3), y + 1 = 2/3 (x – 3), y + 1 = 2/3 (x + 3) (Points are at (-3,-3) and (3,1)

Answers

Slope = 4/6= 2/3
Intercept is -1 (I think just check with gradient on graph in doing in my head)

Y=MX+B
Y=2/3X-1 ( if my calculations add up

CORRECT ANSWER GETS BRAINLIEST AND 5 STARS

Answers

Answer:

A) 12 to 27

Step-by-step explanation:

Ratio of girls: 12

Total students: 27

Answer:

The answer is A

Step-by-step explanation:

You are looking for the ratio of Girls to Total students meaning (boys+girls) so you add 15+12=27  that will be your total students and girls is 12 to the ratio is 12 to 27

Bubba can mow a field in 8 hours. If Skeeter helps, they both can do it together in 3 hours. How long would it take Skeeter to mow the field by himself?

Answers


When they work together, they do  1/3 of the job in one hour.

                   (Bubba) + (Skeeter) = 1/3 job/hour    

Subtract 'Bubba'
from each side:            Skeeter  =  (1/3 job/hour) - (Bubba)

Bubba, working alone, does  1/8 of the job in one hour.

                                      Skeeter  =  (1/3 job/hour) - (1/8 job/hour)

Can you subtract 1/8 from 1/3 ?

Before you can subtract, you'll need a common denominator.
I've got a nice one here . . .  24 .

                   1/3  =  8/24
                   1/8  =  3/24                                                         

                   Skeeter  =  (1/3 job/hour) - (1/8 job/hour)

                                  =  (8/24 job/hour) - (3/24 job/hour)

                                  =        5/24 job/hour .

Skeeter mows at the rate of  5/24 field/hour.

The other way to look at that is:     24/5 hour/field  =  4.8 hours .

Check:

         Bubba:     1/8     field per hour  =  0.125
         Skeeter:  1/4.8  field per hour  =  0.208333...     

         Together:                        (0.125 + 0.208333)

                                             =  0.333... field per hour

                                             =    3 hours/field .                  yay!

Mrs. Myles gave the same test to both her first and third period class. In first period, the mean was 75 and the range was 30. In third period, the mean was 85 and the range was 50. Which is a true statement?A) Most of third period scored in the 80's.
B) More people had a score in the 70's in first period.
C) On average, third period did better than first period.
D) On average, first period did better than third period.

Answers

The right answer for the question that is being asked and shown above is that: "C) On average, third period did better than first period. " In third period, the mean was 85 and the range was 50. The statement that is true is that C) On average, third period did better than first period. 

Answer:

C) On average, third period did better than first period

Step-by-step explanation:

Usa test prep
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