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Papessa [141]
3 years ago
14

Plz Help me 50 points to who ever answers firstt

Mathematics
1 answer:
pishuonlain [190]3 years ago
8 0

the answer is  37 ft plz mark as brainliest

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Find the value of x.
lapo4ka [179]

Answer:

i think the answer should be 8

Step-by-step explanation:

3 0
2 years ago
How many ml of a 20% acid mixture and a 80% acid mixture should be mixed to get 120ml of a 35% acid mixture?
shutvik [7]

Answer:

Volume of Mixture A =90 ml

Volume of Mixture B =30 ml

Step-by-step explanation:

Let say, Mixture A + Mixture B = Mixture C

Volume of Mixture A is x

Volume of Mixture B is y

So, Volume of Mixture C is x+y = 120 ml

Now, Acid contain in Mixture A is 20% =0.2x

Acid contain in Mixture B is 80% =0.8y

Also, Acid contain in Mixture C is 35% =(0.35)(x+y) = 0.35×120=42

Now, we know that,

Acid contain of Mixture A + Acid contain of Mixture B=Acid contain of Mixture C

∴ 0.2x+0.8y=42

∴ 2x+8y=420

We get two linear equations

2x+8y=420 and x+y = 120

Solving above equation...

∴ x=120-y

Replacing x value in 2x+8y=420

∴ 2(120-y)+8y=420

∴ 240-2y+8y=420

∴ 6y=180

∴ y=30

Replacing y value in any equation

∴ x=120-y=120-30=90

∴ x=90

Thus,

Volume of Mixture A is x=90 ml

Volume of Mixture B is y=30 ml

3 0
3 years ago
3^x grows faster than x^3. Explain why.
Allisa [31]
Because 3 is a number and the x is unknow so its just an exponent the x ^ 3 grows three each time

3 0
3 years ago
CAN AYONE PLEASE HELP ME WITH MY HOMEWORK ILL MARK BAINLYIST
Amanda [17]

Answer: v-(kx8)

Step-by-step explanation: plz mark me brainliest

3 0
3 years ago
Please help! I'll give brainliest to whom is correct!
olga2289 [7]

Answer:

I THINK IT IS THE LAST ONE

Step-by-step explanation:

8 0
3 years ago
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