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Zigmanuir [339]
3 years ago
13

Pure tin was mixed with a 4% tin alloy to produce an alloy that was 16% tin. How much pure tin and how much 4% alloy were used t

o produce 32 kg of 16% alloy?

Mathematics
1 answer:
marshall27 [118]3 years ago
3 0
<em>Hope you understand and get it! :)</em>

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Help me please,Thanks
Alborosie

the formula for volume of a prism is base x height
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3 years ago
A plastic ball is filled with gel to make a stress ball. If the ball has a radius of 4 cm, how much
Dafna1 [17]

Answer:

267.947 cm^{3} of gel is required to fill the plastic ball.

Step-by-step explanation:

<em>The radius of the ball is given as 4 cm.</em>

<em>The gel is filled in the plastic ball, that means the gel occupies the volume of the radius.</em>

The volume of the sphere is given by the formula,

V = \frac{4}{3}(\pi)R^{3} , the R is the radius of sphere.

V = \frac{4}{3}(\pi)(4)^{3} = 267.947 cm^{3}

Thus, the volume of gel required to fill the plastic ball to make it stress ball is

267.947 cm^{3} of gel.

3 0
3 years ago
a dvd costs twice as much as a music cd. Jack buys 2 dvds and 2 cds and spends $45. Determine how much one cd costs. in dollars
VMariaS [17]
dvd=d \\ cd=c \\  \\  \left \{ {{d=2c} \atop {2d+2c=45}} \right.  \\  \\ 2(2c)+2c=45 \\ 4c+2c=45 \\ 6c=45 \\ c=7.5 \\  \\ d=2(7.5) \\ d=15

One CD costs $7.50.
One DVD costs $15.00.
3 0
3 years ago
Read 2 more answers
DF=78, DE=5x-9, and EF-2x+10, find EF
lbvjy [14]

Answer:

As e is point between df. So we can write df as

df = de + ef

As given df = 78 , de = 5x - 9 , ef = 2x + 10.

So we can write

78 = 5x - 9 + 2x + 10

78 = 7x + 1

On subtracting 1 on booth side

78 - 1 = 7x +1 - 1

77 = 7x

On dividing both side by 7.

11 = x

So x = 11.

So ef = 2x + 10 = 2*11 + 10 = 22 + 10 = 32

Step-by-step explanation:

8 0
3 years ago
Please help me with geometry it is due in one hour
Anna11 [10]

Answer:

7

Step-by-step explanation:

7 x 4 = 28 - 5 = 23

7 + 16 = 23

3 0
3 years ago
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