2 years ago

30 percent of the class were chewing gum.12 were chewing gum how many were in the class

1 answer:

7 0

Alright. For the first one, we must think, thirty percent of what number is equal to twelve? We can right that in equation form as

You might be interested in

Simplify. -2(y+3)+4y

stiks02 [169]

The correct answer is 2y-6 let me know if you want to know how I got that

6 0

2 years ago

Read 2 more answers

One Solution no solution infinitely many solutions 3x + 9 + 4x + x = _x+_

ss7ja [257]

All you need to do it combine like terms.

3x + 9 + 4x + x

(3x + 4x + x) + 9

8x + 9

i hope this was helpful for you!

8 0

2 years ago

Wich expression can be written as 9x(12+7)

DENIUS [597]

9x(12+7)
distribute the 9x
108x+63

3 0

3 years ago

Read 2 more answers

The population of a city on April 15, 1915, was 47,175. During the period between March 1 and July 1, 1915, 1,325 new cases of s

Norma-Jean [14]

Answer:

the incidence rate is 28.47

Step-by-step explanation:

The computation of the monthly incident rate of active cases is shown below:

Incidence rate is

= 1325 ÷ (47175 - 642) × 1000

= (1325 ÷ 46533 ) × 1000

= 28.47

hence, the incidence rate is 28.47

7 0

2 years ago

A right triangle has sides of length 3, 4, and .

olchik [2.2K]

Answer:

5/hypotenuse, the square root of 7/ leg

Step-by-step explanation:

3^2+4^2=25 or 5^2. you use a^2+b^2=c^2. it would be one of the hypotenuses. If the missing number is a leg, you would do 4^2=3^2+x^2. 16=9+x^2, 7=x^2, so you plug in the numbers differently.

3 0

3 years ago

Read 2 more answers