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Dmitry_Shevchenko [17]
2 years ago
10

Can y'all please solve this.....will give brainliest ^_^​

Mathematics
2 answers:
cluponka [151]2 years ago
7 0

Answer:

a.) x=1.2

b.) y 0.43

Step-by-step explanation:

A. I would start with the square root on top. That equals 6.004

Divide that by 5.019.

=1.1963

B. I would start with the radical. Solving the radical results in 3.9939

Then, square 3.04

That would equal 9.2416

3.9939/9.2416= 0.4322

Jlenok [28]2 years ago
6 0

Answer: a) 1.1962

after sig figs it’s 1.2

b) 0.4321

after sig figs it’s 0.43

Step-by-step explanation:

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yes it is

Step-by-step explanation:

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3 years ago
PLEASE HELP GIVING BRAINLIEST 52 POINTS!
mr_godi [17]

Answer:

  • D) 60 serves

Step-by-step explanation:

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6 0
2 years ago
Read 2 more answers
What number has 62 hundreds and 5 tens
fomenos

Answer:

6250

Step-by-step explanation:

Definition of the question

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2 years ago
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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
In​ 2016, 1 out of every 5 people under the age of 50 used a cell phone to read​ e-books. If there were approximately 225 millio
statuscvo [17]

Answer: 45

Step-by-step explanation:

In​ 2016, 1 out of every 5 people under the age of 50 used a cell phone to read​ e-books. This means that 2 out of every 10 people under the age of 50 used a cell phone to read​ e-books. Also, 3 out of every 15 people under the age of 50 used a cell phone to read​ e-books.

Therefore, if there were x people under the age of 50 in​ 2016, then the number that used a cell phone to read​ e-books would be

1/5 × x = x/5

If there were approximately 225 million people under the age of 50 in​ 2016, then the number that were likely to have read an​ e-book on a cell​ phone is

225/5 = 45 people.

3 0
3 years ago
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