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3 years ago

Choose the word pair that would best complete this analogy.

Mathematics

2 answers:

aev [14]3 years ago

8 0

Noise : Racket
because the analogy is similar to each other and this one both mean the same thing.

NeX [460]3 years ago

6 0

Another word for noise is racket so the first option would be the correct answer. Hope this helps you!

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Tricia and Melanie are both saving money for their summer vacations. They both began saving at the same time. Tricia started wit

fomenos

Answer:

Approximately 2 months

Step-by-step explanation:

Tricia: f(d) = 5.15m + 10.25

Melanie: f(d) = 10.25m

f(d) is the total savings altogether

m is the amount of months

5.15(2) + 10.25 = 20.55

10.25(2) = 20.50

They will have the same amount of savings in approximately 2 months

1.990291 is the actual time (in months) they will be the same

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3 years ago

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What's 17 percente of 200?

Margaret [11]

Answer:

Step-by-step explanation:

17% of 100 is 17, so you can put that into a proportion, 17/100. We need to find what the numerator will be if the denominator is 200. Since you multiply 100 by 2 to get to 200, you have to do the same to the top, and 17x2 is 34.

Therefore, the correct answer is 34.

Hope I helped!!!

4 0

3 years ago

If m ∠ 1 = 101, what is the value of X?

tankabanditka [31]

The value of x is the value of x :)

3 0

3 years ago

If 2/-5 x=-10/x what is the value of x

Dima020 [189]

Answer:

± 5

Step-by-step explanation:

2x/-5 = -10/x

2x^2 = 50

x^2 = 25

x = ± 5

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3 years ago

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I need to make a matrix in reduced row echelon form

a_sh-v [17]

Let the three apartments be A, B & C

The rent of A is $x

The rent of B is $y

The rent of C is $z

So x + y + z = 1600 .......(1)

Now

Maintenance of A is 20% of x = 0.20x

Maintenance of B is 20% of y = 0.20y

Maintenance of C is 25% of z = 0.25z

0.20x + 0.20y + 0.25z = 345

Multiplying by 100 we get

20x + 20y + 25 z = 34500

Dividing by 5 we get

4x + 4y + 5z = 6900 .......(2)

Monthly fee of A is 10% of x = 0.10x

Monthly fee of B is 20% of y = 0.20 y

Monthly Fee of C is 10% of z = 0.10z

Now

0.10x + 0.20y + 0.10 z= 1820 - 1600

0.10x + 0.20y + 0.10z = 220

Multiplying by 100 we get

10x + 20y + 10z = 22000

Dividing by 10

x + 2y + z = 2200 ....(3)

Making a Matrix of equation (1), (2) & (3)

$\left[\begin{array}{ccc}1&1&1\\4&4&5\\1&2&1\end{array}\right] \left[\begin{array}{c}x\\y\\z\end{array}\right] =\left[\begin{array}{c}1600\\6900\\2200\end{array}\right]$

is the required matrix

7 0

4 years ago

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