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antiseptic1488 [7]
3 years ago
5

Name a point that is 2 away from (-1,5).

Mathematics
1 answer:
pashok25 [27]3 years ago
3 0

Answer:[7,2]

Step-by-step explanation:

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A metal worker has several 1-kilogram bars of a metal alloy that contain 23% copper and several 1-kilogram bars that contain 79%
astraxan [27]

Answer:

30 each of 23% bars and 18 each of 79% bars

Step-by-step explanation:

If x is the number of 1 kg 23% copper bars, and y is the number of 1 kg 79% copper bars, then:

x + y = 48

0.23x + 0.79y = 0.44(48)

Substituting and solving:

0.23x + 0.79(48-x) = 0.44(48)

0.23x + 37.92 - 0.79x = 21.12

16.8 = 0.56x

x = 30

y = 48 - x

y = 18

You need 30 each of 23% bars and 18 each of 79% bars.

4 0
3 years ago
What is the median of the following numbers: 9, 10, 4, 6, 3, 7, 8, 2, 5. 54 8 7 6
qwelly [4]
The median of the numbers would be 7.5
8 0
3 years ago
Andrew has three times as many pencils as Noah and five pens he has 17 pens and pencils altogether how many pencils does Noah ha
Novay_Z [31]

9514 1404 393

Answer:

  4

Step-by-step explanation:

The distributive property does not appear to be involved in this question.

Let n represent the number of Noah's pencils. Then Andrew's total is ...

  3n +5 = 17

  3n = 12 . . . . . subtract 5 from both sides

  n = 4 . . . . . .  divide both sides by 3

Noah has 4 pencils.

7 0
3 years ago
What is Y equals 7x plus 3
Ilia_Sergeevich [38]
Hm.. That's a hard one is the answer..10??
3 0
3 years ago
I WILL GIVE BRAINLIEST
ehidna [41]

Answer:

36 + 16 √3

Explanation!

You would first need to simply the radical by breaking the radicand up into a product of known factors!

So the answer would be 36 + 16 √3

If you want decimal form here you go! :)

63.7128129211

Hope this helps you out!

5 0
3 years ago
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