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3 years ago

Please! Find the values of x,y and Z

Mathematics

1 answer:

bearhunter [10]3 years ago

3 0

Answer:

x = 24

y = 10

z = 17

Explanation:

It's long to explain, so heres a picture of how solved each. hope this helps!! :)

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Dmitry_Shevchenko [17]

Answer:

i think the answer is 10-11 but i'm not sure i'm sorry

Step-by-step explanation:

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3 years ago

My brother is currently three times as old as me, but in five years, my brother

wolverine [178]

Answer: Your brother is 15 years old right now.

Step-by-step explanation:

Let be "m" your currently age and "b" your brother's currently age.

Knowing that right now he is three times (this indicates multiplication) as old as you, you can write the following equation:

$b=3m$

In five years your age will be:

$m+5$

And your brother's age will be:

$b+5$

Then, if in five years, your brother will be twice as old as you, you can set up the second equation:

$b+5=2(m+5)$

Then, the System of equations is:

$\left \{ {{b=3m} \atop {b+5=2(m+5)}} \right.$

Apply the Substitution method and substitute the first equation into the second one and solve for "m":

$3m+5=2(m+5)\\\\3m+5=2m+10\\\\m=10-5\\\\m=5$

Substitute the value of "m" into the first equation and evaluate in order to find "b":

$b=3(5)\\\\b=15$

4 0

3 years ago

What is the length of the missing side

chubhunter [2.5K]

Answer:

a=8

Step-by-step explanation:

Since this is a right triangle, we can use the Pythagorean theorem

a^2 +b^2 = c^2 where a and b are the legs and c is the hypotenuse

a^2 +15^2 = 17^2

a^2 +225 = 289

Subtract 225 from each side

a^2 +225-225=289-225

a^2 = 64

Take the square root of each side

sqrt(a^2) = sqrt(64)

a = 8

6 0

3 years ago

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PLEASE HELP ANSWER 4 AND 5.

kumpel [21]

4) The ratio of lemons to cups of sugar = 2/3 or 2:3

5) The ratio of cups of sugar to cups of water = 3/14 or 3:14

Hope that helps

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3 years ago

GIVING BRAINILY I NEED HELP PLEASEEEE 14/50 = X/100, so 14 x 2 = X What’s X?

Misha Larkins [42]

Answer:

Step-by-step explanation:

14 × 2 = X

=> 28 = X (Ans)

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3 years ago

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