Mr. Hogan's class has 16 students in it. On picture day 5 students stand in the first row, 4 students stand in the second row, 3 students stand in the third row, and 4 students stand in the fourth row. If a random student blinks what is the probability that the student will be in the second or third row?A. 1/4
B. 3/16
C. 5/16
D. 7/16

Answers

Answer 1

Answer: d. 7/16
i think its that because 4 plus 3 equals 7 and they asked second or third row and they only have second row up there and they asked for both so i think 7/16.

Answer 2

Answer: The answer is D.7/16 due to the fact that there are 4 students in the second row, and 3 students in the third, the ratio would be 7/16.hope i helped.

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Solve for q

- 3/4q = 12

q = ___

Answers

$\text{We know: } \n \boxed{(\ -3\ )/(\ 4\ )*q=12 } \n \n q=12: (\ -3\ )/(\ 4\ ) \n \n q=12* (\ 4\ )/(\ -3\ ) \n \n q= \frac{\ 48\ } {\ -3\ } \n \n q=-16 \n ********** \n \n \text{Check:}\n \n \boxed{ (-3)/(4)*-16=12 } \n \n (48)/(4) =12 \ TRUE$

$(-3)/(4q)=12$
Multiply by q to eliminate var in denominator
$( \not q*(3))/(4 \not q) =q*12$
$q= (-3)/(4) =q*12$
Common denominator is 4
$( \not 4(-3))/( \not 4) =4q*12$
$-3=4q*12$
$-3=48q$
Divide by 48
$q=( \not 3)/( \not 4 \not 8)$
$q=-16$
The answer is: $q=-16$

when Sally picks any number between 1 and 20, doubles it, adds 6, divides by 2 and subtracts 3, she always gets the number she started with. why?

Answers

lets say number is x

doubles it (2x)
adds 6 (2x+6)
divide it by 2 (2x+6=2(x+3) so 2(x+3) divided by 2=x+3)
subtract 3 (x+3-3=x)

becasue math is fun, brah

I think it might be because 2 and 3 are factors of 6.

A mixture of purple paint contains 6 teaspoons of red paint and 15 teaspoons of blue paint. To make the same shade of purple paint using 35 teaspoons of blue paint, how much red paint would you need?

Answers

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

Order the numbers from least to greatest 0.2, -1.7, -1
-2 3/4, -3/5, 1 3/4
-0.5, -1 2/3,-2.7

Answers

-2 3/4, -2.7, -1.7, -1, -3/5, -0.5, 0.2, 1 3/4

an art gallery has 18 paintings and 4 photographs displayed in equal rows on a wall with the same number of each type of art in each row which of the following could be the number of rows

Answers

So if there are 18 paintings and 4 photographs, then they need to be divided evenly into equal groups/rows.
18÷2=9
4÷2=2

A. 2 rows can be possible with 9 paintings and 2 photographs in each row.
B. 3 rows are not possible because none of the numbers can be divided by three.
C. 4 rows cannot be possible. While 4 can be divided by 4, 18 cannot.
D. 6 rows cannot be possible because the only number that can be divided by 6 is 18, which would be three. 4 is not divisible by 6.

You were right, the answer is A. with each row containing 9 paintings and 2 photographs!

*If you have any questions or concerns, please feel free to ask me. I'll be happy to help!

Can somewon help me i dont get this kind of math

Answers

Answer:

256 in²

Step-by-step explanation:

Answer:

256 inches squared

Step-by-step explanation:

You find the area of all of the area on the sides and then add them

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What number minus 9 is equal to -18

Please help!!!A triangle has one side that measures 9 units, another side that measures x, and a third side that measures 2 units more than x. The perimeter is 29 units.Which equation would we use to find the value of x?x + x + 2 = 29x + x + x + 2 + 9 = 29x + x + 2 + 9 = 29x + x + x + 2 = 29