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1 year ago

Help pleaseeeeeeeeee

Mathematics

2 answers:

Marianna [84]1 year ago

4 0

Answer:

1. Y=-5x+2 slope is - 5 y intercept is 2

2. Y=1/2x+4 slope is 1/2 y intercept is 4

3. Y=3x-5 slope is 3 y intercept is -5

Step-by-step explanation:

Hope this helps! :)

zepelin [54]1 year ago

3 0

Answer:

1. y = -5x+2

2. y = 1/2x + 4

3. y = 3x -5

Step-by-step explanation:

hope thus helps :)

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If f(x) = 2x2 - x, find f(-3).

forsale [732]

$f(x)=2x^2-x$

Substitute the value of x = -3 to the equation:

$f(-3)=2(-3)^2-(-3)=2(9)+3=18+3=21$

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3 years ago

Does this graph represent a function and if so why

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Answer:

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Step-by-step explanation:

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2 years ago

You are putting a rectangular hot tub on your back porch. It is 6 feet long, 5 feet wide, and 3 feet deep. How much will it cost

sleet_krkn [62]

It costs $ 3.4 to fill the hot tub

<h3>Solution:</h3>

Given that, You are putting a rectangular hot tub on your back porch

The rectangular hot tub is of shape cuboid

The volume of cuboid is given as:

$\text{Volume of cuboid } = length \times width \times height$

It is 6 feet long, 5 feet wide, and 3 feet deep

Therefore,

length = 6 feet

width = 5 feet

height = 3 feet

Thus volume of rectangular hot tub is:

$volume = 6 \times 5 \times 3 = 90$

Thus volume of rectangular tub is $90 ft^3$

Convert feet to gallons

We know that,

1 cubic feet = 7.48052 gallon

Therefore,

90 cubic feet = 7.48052 x 90 = 673.247

Thus gallons of water tub can hold is 673.247 gallons

Given that it costs $ 5 per 1000 gallons

1000 gallons = $ 5

Therefore,

1 gallons = $ $\frac{5}{1000}$

Find for 673.247 gallons

673.247 gallons = $\frac{5}{1000} \times 673.247 = 3.366235 \approx 3.4$

Thus it costs $ 3.4 to fill the hot tub

5 0

2 years ago

Round 33.885 to the nearest 100th

maria [59]

Answer:

33.89

Step-by-step explanation:

How to Calculate Rounding to the Nearest 100th?

If the digit after hundredth is greater than or equal to 5, add 1 to hundredth. Else remove the digit. Example

124.586

The third digit of right of decimal point is 6

The second digit after decimal point is 8 which is greater than 5

So add 1 to 8

Result = 124.59

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2 years ago

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Add the proper constant to the binomial so that the resulting trinomial is a perfect square trinomial. Then factor the trinomial

jeka57 [31]

P^2+p+1/2^2

(p+1/2)^2

3 0

3 years ago

Read 2 more answers