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pochemuha
3 years ago
7

There are thirty seven students in the Service Club. They have to vote to send 4 representatives to a board meeting:

Mathematics
1 answer:
Molodets [167]3 years ago
3 0

Picking 4 students out of 37 students would be a permutation.

This is written with the total students first, the letter P then the number of students getting picked:

The answer would be D. 37P4

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The sum of two numbers is 12. The difference of the same two numbers is -4. Find the numbers
seraphim [82]

Answer:

4,8

Step-by-step explanation:

let the numbers be x and y

x+y=12

x-y=-4

add

2x=12-4=8

x=8/2=4

4+y=12

y=12-4=8

so numbers are 4 and 8

4 0
3 years ago
Y = 4x + 6
OlgaM077 [116]

Answer:

A

Step-by-step explanation:

y=4x+6

y=6-4x

y=12

y=4x+6

12=4x+6

12-6=4x

6/4=4x/4

x=3/2

5 0
2 years ago
Read 2 more answers
The width of a rectangle is 7 meters greater than its length. If the area of the rectangle is 170 square meters, write the quadr
soldier1979 [14.2K]
Since x is the length, then x+7 has to be the width.
The area of a rectangle can be found via the formula :
A = length * width
So if we replace the area with the given number (170) and the length, and width, with what we assumed, we get..
170 = x * (x+7)
[which is.. ]
170 = x^2 +7x
0 = x^2 +7x - 170

And that is the answer.
4 0
3 years ago
I need help bad!!! <br> 1+5 times 56 divided by 5
pashok25 [27]

Answer:

57

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Which statement is true?
Ilia_Sergeevich [38]

Answer:

All squares are rectangles. Rectangles have 4 right angles. Therefore, all squares have 4 right angles.

Step-by-step explanation:

The old math saying: "Every square is a rectangle, but not all rectangles are squares."

What makes a rectangle a rectangle is that it has four right angles.

A square also has four right angles. Therefore, a square is a type of rectangle.

<h3>What makes the other answers wrong:</h3>

A rectangle does not have equal lengths on all four sides like a square does.

A square MUST have four right angles for it to be a square.

<em>Brainiliest Appreciated. </em>

7 0
3 years ago
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