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Vlada [557]
3 years ago
14

The quotation of m and 10

Mathematics
1 answer:
Anna71 [15]3 years ago
7 0
The answer to the question is m/10
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What is the area of the composite figure in problem 3?
suter [353]

Answer:

trapazoid

Step-by-step explanation:

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3 years ago
High grade steel consists of 85% iron and 15% magnese. Low grade steel consists of 67% iron and 33% mag ese. NASA orders 500 ton
Mamont248 [21]

Answer:

361\dfrac{1}{9} tons of high steel and 138\dfrac{8}{9} tons of low steel

Step-by-step explanation:

Let x be the number of tons of high grade steel and y be the number of tons ow low grade steel needed.

In x tons of high grade steel there are

0.85x tons of iron

0.15x tons of magnese

In y tons of low grade steel there are

0.67y tons of iron

0.33y tons of magnese

NASA orders 500 tons of steel, so

x+y=500

and specifies that it must be in the proportion 80% iron and 20% magnese, so

0.85x+0.67y=500\cdot 0.8\\ \\0.85x+0.67y=400

From the first equation,

x=500-y

Substitute it into the second equation:

0.85(500-y)+0.67y=400\\ \\425-0.85y+0.67y=400\\ \\-0.18y=-25\\ \\y=\dfrac{2,500}{18}=138\dfrac{8}{9}\ tons\\ \\x=361\dfrac{1}{9}\ tons

7 0
3 years ago
What is u = kx + ух, for x
Ivahew [28]

Answer:

<h2>x=  \frac{u}{k + y}</h2>

Step-by-step explanation:

u = kx + ух

First of all factorize x out at the right side of the equation

That's

u = x(k + y)

Divide both sides by ( k + y) to make x stand alone

That's

<h3>\frac{x(k + y)}{k + y}  =  \frac{u}{k + y}</h3>

We have the final answer as

<h3>x =  \frac{u}{k + y}</h3>

Hope this helps you

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3 years ago
HELP! BRAINLIEST! AHJHHHHHH
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Answer:

129.5 Square feet is the correct answer.

Step-by-step explanation:

I am a 100% SURE of that.

Hope this helps....

Have a nice day!!!!

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3 years ago
Answer this test and be brainiest
Dmitriy789 [7]

First of way to many questions, but Ill answer them

1) 5/9, 75/135   2) 5/11   3) 10/3   4) 13 quarts   5) 120   6) in 108 minutes  

7) 3/4<33/40   8) 3/8<2/3<19/24

8 0
3 years ago
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