What is the slope of the line represented by the equation y = 4/5x - 3?

Mathematics

1 answer:

Feliz [49]3 years ago

3 0

Answer:

The slope is 4/5 and the y intercept is -3

Step-by-step explanation:

The equation is in slope intercept form

y= mx+b where m is the slope and b is the y intercept

y = 4/5x -3

The slope is 4/5 and the y intercept is -3

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Hashim had some money. His sister had $75.10. After Hashim gave his mother $28, he had $15.20 less than his sister. How much did

Alla [95]

Answer:

$87.90

Step-by-step explanation:

Let the amount of money Hashim had be $Y. As such, if he gives his mother $28, he would have $Y - $28 left.

If he had $15.20 less than his sister and his sister had $75.10, then we can say that what he had left $Y - $28 is equivalent to the difference between $75.10 and $15.20.

This is

$Y - $28 = $75.10 - $15.20

Y = $28 + $75.10 - $15.20

= $87.90

7 0

3 years ago

How many feet long is the fence ?

grandymaker [24]

Answer:

50 feet long

Step-by-step explanation:

Use the Pythagorean theorem to find the value of the missing side. The pythagoreon theorem only works with right triangles such as this one.

a²+b²=c²

Where a and b are length of legs (sides) of a triangle. And c is the length of the hypotenuse. The hypotenuse is the side across from the right angle.

We know by looking at the image posted in the question, that one leg of the triangle is 14 feet. And another leg is 48 feet. (Length of picnic area) (length of campground)

14²+48²=c²

Simplify

196+2304=2500

Find square root of 2500

√(2500)=50

So 14²+48²=50²

The missing side is 50 feet long. The fence is 50 feet long.

Attached is another example.