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Aleks04 [339]
2 years ago
13

Help Please! I know how to find a median, but I dont understand how to use variables. <3

Mathematics
2 answers:
Valentin [98]2 years ago
8 0

in accending order

19, w, 36,55,72

so 19>w<36

therefore,

24 is the answer

tigry1 [53]2 years ago
3 0
24 because I did the math text me if you need it
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Evaluate |x|+(-2x^2) for x=3<br> Answers<br> -9<br> -15<br> 21
Nikolay [14]

Hello from MrBillDoesMath!

Answer:

-15

Discussion:

We are asked to evaulate:

abs(3) + ( -2 (3)^2) =                         => as abs(3) = 3

3          + (-2*9)  =

3           - 18 =

-15    

Thank you,

MrB

8 0
3 years ago
What is 2-1/(x+3)=1/(x+3)
Nikolay [14]

Answer:

-2

Step-by-step explanation:

Hope It Helps

3 0
2 years ago
The principal at valley elementary school had 840 stickers that he gave to 42 children. 2/3 of the children were boys and each o
STatiana [176]

Answer: each girl received 30 stickers.

Step-by-step explanation:

Let x represent the number of stickers that the boys received.

Let y represent the number of stickers that the girls received.

The total number of children was 42. 2/3 of the children were boys. It means that the number of boys were

2/3 × 42 = 28

The number if girls would be

42 - 28 = 14

The total number of stickers that the school principal shared was 840. It means that

28x + 14y = 840- - - - - - - - -1

Each of the boys received the same number of stickers while each girl received twice as many as each boy. It means that

y = 2x

Substituting y = 2x into equation 1, it becomes

28x + 14 × 2x = 840

28x + 28x = 840

56x = 840

x = 840/56

x = 15

y = 2x = 15 × 2

y = 30

4 0
3 years ago
Tony wants to estimate the number of bees in a beehive. He catches 100 bees from the hive and marks each one with a dye. He then
fredd [130]

Answer:

Number of total bees = 400

Step-by-step explanation:

He catches 100 bees from the hive and marks each one with a dye.

He later catches 60 and 15 were marked with the dye.

Its very to estimate from the data given.

I'll answer it with ratio.

We'll ratio number of bees with dye to total he caught the second day.

I.e 15:60 = 1:4

We'll multiply this ratio with the number he caught the first day to know the total.

1/4x =100

X = 100*4

X= 400

Where x is the total number of bees in the bee hive.

4 0
3 years ago
Count the left-handed and right-handed spirals on the cacti in the photograph.
Digiron [165]

Answer:

2 = 1 + 1

3 = 2 + 1

5 = 3 + 2

8 = 5 + 3

13 = 8 + 5

21 = 13 + 8.

Fibonacci numbers are found in many structures in nature.

We have just found that these cacti enclose Fibonacci numbers 13 and 21.

13 and 21

Step-by-step explanation:

8 0
2 years ago
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