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TEA [102]
3 years ago
7

Need help on this please

Mathematics
1 answer:
Mazyrski [523]3 years ago
6 0

Answer:

dff

Step-by-step explanation:

saf

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A group of 86 people consist of men women and children. There are twice as many women then there are men. There are 6 more child
weqwewe [10]

Answer: 16 men

32 women

38 children

Step-by-step explanation:

Let x represent the number of men in the group.

Let y represent the number if women in the group.

Let z represent the number of children in the group.

A group of 86 people consist of men women and children. This means that

x + y + z = 86 - - - - - - - - - - - - 1

There are twice as many women than there are men. It means that

x = y/2

There are 6 more children than there are women. This means that

z = y + 6

Substituting x = y/2 and z = y + 6 into equation 1, it becomes

y/2 + y + y + 6 = 86

multiplying through by 2, it becomes

y + 2y + 2y + 12 = 172

5y = 172 - 12 = 160

y = 160/5 = 32

x = y/2 = 32/2

x = 16

z = y + 6 = 32 + 6

z = 38

8 0
3 years ago
A square has an area of 100 in ^2. What is the perimeter of the square
almond37 [142]
Area of a square is its side length squared...

A=s^2  solving for s...

s=√A

The perimeter of a square is 4 times its side length...

P=4s, and since s=√A

P=4√A, and we are told that A=100 in^2 so

P=4√100

P=4*10

P=40 in
6 0
3 years ago
Kayla had m marbles. She gave 4 marbles to her cousin. Enter an expression to represent the number of marbles Kayla has now.
Arte-miy333 [17]

Answer:

m-4\\

Step-by-step explanation:

m-4

5 0
3 years ago
Find the quotient of 95 and 3.25
Lelu [443]
To find the quotient of 95 and 3.25 we may do something like this:

95 ÷ 3.25 =
= 95 ÷ 3 1/4 =
= 95 ÷ 13/4 =
= 95 * 4/13 =
= 380/13 =
= 29 3/13

I hope it'll help you :)
8 0
3 years ago
The circumference of a circle is 121 3.14 cm, what is the area in term of pie
Tju [1.3M]
The circumference of a circle is determined by the formula 2πr.
I'd say divide the circumference by two and youll be left with 60.5=πr .
then divide 60.5 by 3.14 to get r
which is approximately 19.26
now use the circle formula for area
A=πr²
A in terms of pi is
A = π*(19.26)²
4 0
2 years ago
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