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NeTakaya
3 years ago
15

Student Cookies

Mathematics
2 answers:
34kurt3 years ago
6 0

Step-by-step explanation:

Kayden:Kayah:Kayla:Michelle

2:3:4:3

2k+3k+4k+3k=36

12k=36

k=36:12

k= 3

Kayden- 2•3=6

Kayah- 3•3=9

Kayla= 4•3=12

Michelle= 3•3=9

seraphim [82]3 years ago
6 0

Answer: The correct answer is Kayden- 6 cookies; Kayah-9 cookies; Michelle-9 cookies and Kayla- 12 cookies

Step-by-step explanation: There are 36 cookies. Kayden gives $2-  or pays for 1/6 of the cookies (2/12= 1/6) The decimal for 1/6 is 0.16, so 36 x 0.16= 5.88 rounded up to 6 cookies. Kayah contributed $ 3- or pays for  1/4 of the cookies. (3/12= 1/4) The decimal for 1/4 is 0.25, so 36 x 0.25= 9, so Kayah and Michelle each get 9 cookies. Kayla gives $4- or pays for 1/3 of the cookies (4/12= 1/3) The decimal for 1/3 is 0.33, so 36 x 0.33= 11.88 rounded to 12.

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She will have about 3 minutes 20 seconds to work on each exercise because 1/3 of an hour is 20 minutes. You can find that by dividing 60 by 3. Next you have to divided 20 by 6. Your answer will be 3.33333333333. So you would get about 3 minutes 20 seconds
4 0
3 years ago
Express 5/7 as a decimal.
nignag [31]

Answer:

0.71428571428

Step-by-step explanation:

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3 0
3 years ago
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Darren is painting a wooden block as part of his art project The block is a rectangular prism that is 12cm long by 9 cm wide by
Ksenya-84 [330]

Answer:

<h3>The surface area in square meters that Darren has to paint is 426cm^2</h3><h3>∴ A=426cm^2</h3>

Step-by-step explanation:

Given that Darren is painting a wooden block is a rectangular prism

Its length is 12 cm ,width is 9 cm and height is 5 cm

<h3>To find the surface area in square meters that Darren has to paint :</h3>

Let l be the length, w be the width and h be the height

Then l=12 cm , w=9 cm and h=5 cm

The formula for the Surface area is

A=2(lw+wh+hl) square units

Substitute the values in formula we get,

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=2(108+45+60)

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<h3>∴ A=426cm^2</h3><h3>∴ the surface area in square meters that Darren has to paint is 426cm^2</h3>

5 0
2 years ago
Mason and his dad are going to build a small retaining wall for the perimeter of their new
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Answer:

120 bricks = 10 kg

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5 0
3 years ago
X/9 times 15-47=28<br> help pls
DIA [1.3K]

Answer:

x=45

Step-by-step explanation:

Then,

x/5(15)-47=28

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x/9(15)-47=28

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Step 2: Add 47 to both sides

5/3x-47+47=28+47

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Step 3: Multiply both sides by 3/5

(3/5)*(5/3x)=(3/5)*(75)

x=45

4 0
2 years ago
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