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2 years ago

Emetia earns $8.74 per hour plus a gas allowance of $3.50 per day at her job.

Mathematics

1 answer:

joja [24]2 years ago

7 0

Answer:

3.50+8.74x=y , other answer 47.2

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What is 16% of £50 I need to know

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When graphing any equation what is a great fall back plan if you can't remember the learned procedure? (on all kinds of equation

miv72 [106K]

Answer:

GOOGLE :)

equation:

y=mx+b

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2 years ago

Which is an equation of a line that passes through the point (-4, 7) and is perpendicular to the line y = (1/2)x + 4

8_murik_8 [283]

Find the slope of the perpendicular line:

$y = \dfrac{1}{2} x + b$

$\text {Slope = } \dfrac{1}{2}$

$\text {Slope =} \boxed {\text{negative reciprocal}} \text { of the slope of the original line}$

$\text {Perpendicular Slope = -2}$

Form the equation:

$y = mx + b$

$y = -2x + b$

Find y-intercept given that the line passed through (-4, 7):

$y = -2x + b$

$7 = -2(-4) + b$

$7 = 8 + b$

$b = 7 - 8$

$b = -1$

Form the equation:

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3 years ago

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Bill spends two days driving from Point A to Point B . On the first day, he drove 2 hours longer and at an average speed 5 miles

Rainbow [258]

Answer:

His average speed on the second day is 35 miles per hour.

Step-by-step explanation:

Consider the provided information.

On first day, he drove 2 hours longer than he drove on second day.

Let x = Number of hours he drove on second day.

Then x + 2 = Number of hours he drove on first day.

It is given that he drove a total of 18 hours.

Therefore,

$x + (x + 2) = 18$

$2x + 2= 18$

$x=8$

He drove 8 hours on second day.

x + 2 = 8+2=10

He drove 10 hours on first day.

Let y = speed driven on second day.

y + 5 = speed driven on first day.

As we know: Distance = speed × time

On first day he covers a distance of:

Distance = 10(y+5)

On second day he covers a distance of:

Distance = 8(y)

Total distance = Day 1 distance + Day 2 distance

$10(y+5) + 8(y) = 680\\10y+50+8y=680\\18y=630\\y=35$

Hence, his average speed on the second day is 35 miles per hour.

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2 years ago