MATHEMATICS
MIDDLE SCHOOL

Answer:

Answer: x =1

Step-by-step explanation:

-4× + 16 =12

-4×= 12-16

Divide both sides by -4

×=1

Answer:

Answer:

1

Step-by-step explanation:

MIDDLE SCHOOL

¿Cuál es la raíz cuadrada de dieciséis?

Answer:

The square root of sixteen is four.

Step-by-step explanation:

four times four equals sixteen!

What is the question

HIGH SCHOOL

Mr. Vella can build a brick wall in 4 days. His apprentice can build the same wall in 6 days. After working alone for 3 days, Mr. Vella became ill and left the job for his apprentice to complete. How many days did it take the apprentice to finish the wall?

Apprentice will take days to finish the wall.

What is work?" Work is defined as when force is applied to move an object in the direction of displacement."

According to the question,

Number of days taken by Vella to build a brick = 4 days

Work done by Vella in 1 day =

Work done by Vella in 3 days =

Number of days taken by apprentice to build same brick = 6 days

Total days taken by apprentice to complete 3/4 of work =

= × 6

=

= days

Number of days apprentice take to finish the wall is = 6 -

=

Hence, apprentice will take days to finish the wall.

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After working for 3 days, Mr. Vella has finised 3/4 of the work. so for the assistant, 3/4 of 6 is 9/2 which is 4 1/2. So 4 1/2 days of work has been done for the apprentice, so 6 - 4 1/2 = 1 1/2. The apprentice finished the wall in 1 1/2 days.

MIDDLE SCHOOL

The difference of the square of a number and 16 is equal to 6 times that number

Answer:

Step-by-step explanation:

Let the number be 'x'

Given:

Solving the quadratic equation:

The value of 'x' can be

MIDDLE SCHOOL

Find the area of the circle with a circumference of 50.24 units help me plz

Circumference of a circle=diameter times pi

50.24=d(3.14)

d=16

radius is half of diameter so radius is 8

Area of a circle=pi(r^2)

(3.14)(8^2)=(3.14)(64)=200.96

50.24=d(3.14)

d=16

radius is half of diameter so radius is 8

Area of a circle=pi(r^2)

(3.14)(8^2)=(3.14)(64)=200.96