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3 years ago

Which is the greater Length, 2 yards or 5 feet?

Mathematics

2 answers:

nekit [7.7K]3 years ago

5 0

2 yards. 3 feet to every yard.

tatiyna3 years ago

3 0

The greater length would be 2 yards. One yard is 3 feet, so 3*2=6. 6 is greater than 5.

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Line q has an equation of y = 1/3x - 4. Parallel to line q is line r, which passes through the

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Answer:

confusion

Step-by-step explanation:

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3 years ago

Two people together can do a certain job in twenty minutes.If one of them can do the job alone in forty-five minutes, how long w

OlgaM077 [116]

<h2>Answer:</h2>

36 minutes

<h2>Step-by-step explanation:</h2>

Going through the question in bits:

i. <em>Two people together can do a certain job in 20 minutes.</em>

This implies that the time taken to finish the job is 20 minutes.

This also means that in 1 minute, they will do $\frac{1}{20}$ of the job i.e the rate at which the job is done by the two of them is $\frac{1}{20}$

ii. <em>If one of them can do the job in 45 minutes.</em>

This implies that the time taken by one of them to finish the job is 45 minutes.

This also means that in 1 minute, he will do $\frac{1}{45}$ of the job. i.e the rate at which the job is done by one of them is $\frac{1}{45}$

iii. <em>let the other person do the job in x minutes.</em>

This implies that the time take by the other person to finish the job is x minutes.

This also means that in 1 minute, he will do $\frac{1}{x}$ of the job. i.e the rate at which the job is done by the other person is $\frac{1}{x}$

Now,

The rate by which the job will be done by the two of them combined is the sum of the individual rates.

i.e

$\frac{1}{20}$ = $\frac{1}{45}$ + $\frac{1}{x}$

Multiply through by 90x and solve

(90x * $\frac{1}{20}$ ) = (90x * $\frac{1}{45}$ ) + (90x * $\frac{1}{x}$ )

4.5x = 2x + 90

4.5x - 2x = 90

2.5x = 90

x = $\frac{90}{2.5}$

x = 36

Therefore it will take the other person 36 minutes to finish the job.

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3 years ago

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4 years ago

What is 5 tenths -2 tenths?

zimovet [89]

Answer:

0.3

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

This table gives a few (x,y)(x,y)left parenthesis, x, comma, y, right parenthesis pairs of a line in the coordinate plane. -28 -

Serhud [2]

Answer:

The y-intercept is y = 2

Step-by-step explanation:

A linear function has the following format:

$y = mx + b$

In which m is the slope and b is the y-intercept, which is the value of y when x = 0.

We are given these three points:

(-28, -54)

(-21, -40)

(-14, -26)

We use two of them to build a system, to find values for m and b.

(-28, -54)

This means that when $x = -28, y = -54$

$y = mx + b$

$-54 = -28m + b$

$28m = b + 54$

$m = \frac{b + 54}{28}$

(-21, -40)

This means that when $x = -21, y = -40$

$y = mx + b$

$-40 = -21m + b$

$-40 = -21\frac{b + 54}{28} + b$

$-40 = \frac{-21b - 1134 + 28b}{28}$

$7b - 1134 = -40*28$

$7b = 14$

$b = \frac{14}{7}$

$b = 2$

The y-intercept is y = 2

7 0

3 years ago