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3 years ago

HELP ASAP! I will mark Brainlist! Thanks (:

Mathematics

2 answers:

vichka [17]3 years ago

4 0

Answer:

Corresponding angles postulate

harkovskaia [24]3 years ago

3 0

Answer:

definition of parrallel lines

Step-by-step explanation:

oh sorry. I understood it as parrallel

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Lydia is taking a test. It has four multiple choice questions, each with three options to choose from, and five True/False quest

VladimirAG [237]

Answer: 50%

Step-by-step explanation:

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4 years ago

For each month of a given year except December, a worker earned the same monthly salary and donated one-tenth of that salary to

kiruha [24]

Answer:

D) 11/3

Step-by-step explanation:

Let x represent monthly salary.

We have been given that for each month of a given year except December, a worker earned the same monthly salary and donated one-tenth of that salary to charity.

Salary earned in 11 months would be $11x$ .

Money donated in 11 months would be $\frac{11x}{10}$ .

Further we are told that in December, the worker earned N times his usual monthly salary and donated one-fifth of his earnings to charity.

Salary for December would be $Nx$ .

Money donated in December would be $\frac{Nx}{5}$ .

The worker's charitable contributions totaled one-eighth of his earnings for the entire year that is $\frac{1}{8}\cdot (11x+Nx)$ .

$\frac{11x}{10}+\frac{Nx}{5}=\frac{1}{8}\cdot (11x+Nx)$

Dividing whole equation by x, we will get:

$\frac{11x}{10x}+\frac{Nx}{5x}=\frac{1}{8x}\cdot x(11+N)$

$\frac{11}{10}+\frac{N}{5}=\frac{1}{8}\cdot (11+N)$

$\frac{11}{10}+\frac{N}{5}=\frac{11}{8}+\frac{N}{8}$

Combine like terms:

$\frac{N}{5}-\frac{N}{8}=\frac{11}{8}-\frac{11}{10}$

$\frac{N}{5}*40-\frac{N}{8}*40=\frac{11}{8}*40-\frac{11}{10}*40$

$8N-5N=11*5-11*4$

$3N=55-44$

$3N=11$

$\frac{3N}{3}=\frac{11}{3}\\\\N=\frac{11}{3}$

Therefore, the value of N is 11/3 and option D is the correct choice.

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3 years ago

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Step-by-step explanation:I took the test

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3 years ago

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If Michelle walked 5 meters, how many inches did she walk? A. 196.85 inches B. 16.4 inches C. .127 inches D. 12.7 inches

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A. It takes 39.37 inches to make up 1 meter

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4 years ago

During exercise Sonia's heart beats 675 times in 5 minutes. How many times does it beat per minute?

Kaylis [27]

135 times because 675 divided by 5 is 135. you would divide the number of her heart beats by the number

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4 years ago

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￼ HELP ASAP! I will mark Brainlist! Thanks (:

HELP ASAP! I will mark Brainlist! Thanks (: