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g100num [7]
3 years ago
15

Please can someone answer and tell me how to complete this??

Mathematics
2 answers:
kiruha [24]3 years ago
8 0

Answer:

Step-by-step explanation:

frez [133]3 years ago
5 0
I think what you do is in the number of children you write 0, 1, 2,3,4 the count how much times that number appears in the list and that’s your frequency, for eg
Number of children = 1
Frequency = 2

I am not 100% sure tho
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A laptop was originally sold for $975. The laptop is now on sale for $828.75.The percent markdown must have been...
Sonja [21]

Answer:

15% markdown

Step-by-step explanation:

To find the percent markdown

Take the original price minus the new price

975-828.75

146.25

Divide by the original price

146.25/975

.15

Change to percent form

15% markdown

5 0
2 years ago
Please someone help me with this question below i am really stuck.
o-na [289]

9514 1404 393

Answer:

  £59.25

Step-by-step explanation:

The tricky part here is finding the height of the trapezoid shape of the lawn. You will notice the difference in lengths of the parallel edges is 20-12 = 8 meters. This means you can use the Pythagorean theorem to find the missing height, as it is the second leg of a right triangle with one leg 8 and hypotenuse 17.

  h^2 = 17^2 -8^2 = 289 -64 = 225

  h = √225 = 15

So, the lawn's shape is a trapezoid with bases 20 and 12 and height 15. These can go into the area formula ...

  A = 1/2(b1 +b2)h

  A = 1/2(20 +12)(15) = 240 . . . . . . square meters

__

That area is 2.4 times 100 square meters. That means 2.4 cans of weedkiller are all that are needed. If we can only purchase whole cans, then we need to purchase 3 cans of weedkiller, for a cost of ...

  £19.75 × 3 = £59.25

The cost of the cans of weedkiller needed will be £59.25.

7 0
2 years ago
Of the 40 students in Irene’s class, 30% are girls. How many girls are there in Irene’s class?
coldgirl [10]

Answer:

12 girls

Step-by-step explanation:

40 times .30

4 0
3 years ago
Read 2 more answers
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Yuri [45]

\left( \dfrac 2 3 \right)^{-4} = \left( \dfrac 3 2 \right)^4 = \dfrac{3^4}{2^4} = \dfrac{81}{16}

Second choice

8 0
3 years ago
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DochEvi [55]
If no turtles sleep in the middle, then courtney wins because of largest speed 
6 0
3 years ago
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