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Mathematics

1 answer:

bekas [8.4K]2 years ago

8 0

Answer:

UWU kalabaw

Step-by-step explanation:

UWU kalabaw

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The present oge of a :b are in ratio 5: 6 three year ago , thier age were in the ratio 4:5 find there present age .

bezimeni [28]

Answer:

Their present age are 15 and 18

Step-by-step explanation:

a : b = 5 : 6

$\frac{a}{b} = \frac{5}{6} \\\\6a = 5b\\\\a = \frac{5b}{6} \\\\\frac{a-3}{b-3} = \frac{4}{5} \\\\5(a-3) = 4(b-3)\\\\5a - 15= 4b - 12\\\\5a - 4b = 15 - 12\\\\5a - 4b = 3\\\\substitute \ the \ value \ of \ a \ into \ the \ above \ equation;\\\\5(\frac{5b}{6} ) - 4b = 3\\\\25b - 24b = 18\\\\b = 18\\\\now, \ solve \ for \ a;\\\\a = \frac{5}{6} \times 18\\\\a = 15$

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3 years ago

MAT-1101-3 - ARITHMÉTIQUE APPLIQUÉE AUX FINANCES

Doss [256]

Answer:

B ignore bottom

Step-by-step explanation:

Your answer should be written in paragraph/essay format.

Any sources used should be cited at the bottom of your paper.

All answers should show you have learned something from Unit 9. Material from other units will not be graded for this assignment.

If you are stuck, you can think about the following topics: textile mills, interchangeable parts, the Lowell System, unions, labor reform, steamboats, railroads, coal, the telegraph, and/or new inventions.

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3 years ago

Given the function w(x)=2x²+5x, find w(2)

vivado [14]

$\text{Put}\ x=2\ \text{to the equation of the function}\ w(x)=2x^2+5x:\\\\w(2)=2(2^2)+5(2)=2(4)+10=8+10=18\\\\Answer:\ \boxed{w(2)=18}$