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Gnom [1K]
3 years ago
8

Please help me with this math assignment!

Mathematics
1 answer:
marishachu [46]3 years ago
8 0

Step-by-step explanation:

hope this helps you out good luck

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Elliott has some yarn that she wants to use to make hats and scarves. Each hat uses 0.2, point, 2 kilograms of yarn and each sca
sp2606 [1]

Answer:

Elliot will make 4 hats and 16 scarves

Step-by-step explanation:

Let x be the number of hats and y be the number of scarves Elliot will make.

Elliott wants to make a total of 20 items, then

x + y = 20

Each hat uses 0.2 kilograms of yarn, so x hats use 0.2x kilograms of yarn and each scarf uses 0.1 kilogram of yarn, then y scarves use 0.1y kilograms of yarn. Elliott wants to use twice as much yarn for scarves as for hats, then

0.1y = 2(0.2x)

Thus,

0.1y = 0.4x

y = 4x

Substitute it into the first equation:

x + 4x = 20

5x = 20

x = 4

y = 20 - 4

y = 16

Hence, Elliot will make 4 hats and 16 scarves

4 0
3 years ago
Find all values of c such that 5c - 4 = 7 - 4-c/3
Marina CMI [18]
Hey there!

5c - 4 = 7 - \dfrac{4 - c}{3} \\ 15c - 12 = 21 - 4 + c \\ 14c = 29 \\ c = 2 \dfrac{1}{14}

Hope this helps. - M
5 0
3 years ago
Read 2 more answers
Why are there no properties of subtraction or division?
tia_tia [17]
There are no properties because you can do anything with subtraction and division
4 0
3 years ago
The length of a diagonal of a cube with edge length 25cm
elena-s [515]
Let's take any edge length l. The diagonal has length l\sqrt3. In our case it's 25\sqrt3
6 0
3 years ago
3. Kanyla makes and
Triss [41]

Answer:

$23

Step-by-step explanation:

1 phone case = $12

4 phone cases = 12 * 4 = $48

Table = $25

4 phone cases - Table = 48 - 25 = $23

4 0
3 years ago
Read 2 more answers
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