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Wewaii [24]
3 years ago
8

Pls, can you help me whit this? thx♡

Mathematics
1 answer:
aivan3 [116]3 years ago
5 0

Answer:

Step-by-step explanation:

hello : here is an solution

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Sians room is in the shape of a square. It’s area is 121 square feet . How long is one side of sian’s room ?
Sladkaya [172]
11. Square root of 121
5 0
3 years ago
A metalworker has a metal alloy that is 25% copper and another alloy that is 60% copper.How many kilograms of each alloy should
Neporo4naja [7]

Answer:

20kg of 25% copper alloy

30kg of 60% copper alloy

Step-by-step explanation:

There are 2 kinds of metal, first metal(A) have 25% copper while the second metal(B) has 60% copper. The metalworker want to create 50kg of metal, which means the total weight of both metals is 50kg (A+B = 50). The metalworker also want the metal made of a 46% which is 23kg(0.25A + 0.6B = 0.46*50). From these sentences, we can derive 2 equations. We can solve this with substitution.

A+B = 50

A= 50-B

Let's put the first equation into the second.

0.25A + 0.6B = 0.46 *50

0.25(50-B) + 0.6B =23

12.5 - 0.25B + 0.6B =23

0.35B=23 -12.5

B= 10.5/ 0.35= 30

Then we can solve A

A= 50-B

A= 50-30

A=20

8 0
3 years ago
Why is this simplified by combining like terms <br> 3(4x+5) +2
Inga [223]
3(4x+5)+2
3•4x=12x
5•3=15+2=17
Answer= 12x + 17
3 0
3 years ago
Sum or products of 4x47
andrezito [222]
You multiply 4 and 47 so 188 would be the answer. Hope this helps! :) 

4 0
3 years ago
Read 2 more answers
Is the difference of 1.48-0.25 less or greater than one
adoni [48]

it is going to be greater than 1


4 0
3 years ago
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