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3 years ago

Please help, I will give brainliest, I am struggling badly.

Mathematics

2 answers:

Valentin [98]3 years ago

8 0

Answer:

Step-by-step explanation:

A line with a slope of 1/3 using the y=mx+b line slope equation would be:

y=1/3x+b

We can now plug the x and y values into this equation with x being -6 and y being 2.

2=1/3 * -6 +b

2= -2 +b

b=4

Therefore the equation is

y=1/3x+4

I hope this helps! :)

Marianna [84]3 years ago

3 0

Answer:

y=1/3x+4

The answer is (C)

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2 Points

liraira [26]

Two or zero expresses the possible number of positive real solutions for the given polynomial equation.

Answer: Option D

Step-by-step explanation:

Given equation:

$x^{3}-4 x^{2}-7 x+28=0$

First, we put hit and trial method to find out the one solution. So, if we put x=4 then the above expression will become zero. We can also write the above expression as

$(x-4) \times\left(x^{2}-7\right)=0$

We know the formula, $a^{2}-b^{2}=(a+b)(a-b)$ , make use of this, we get

$(x-4) \times(x-\sqrt{7}) \times(x+\sqrt{7})=0$

So, $x=4, \sqrt{7},-\sqrt{7}$

Hence, from the above expression, we have three values of x as x= 4, 2.64 and -2.64

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3 years ago

Express 11/15 as a percent.

Mnenie [13.5K]

11/15 = 0.7333333 = 0.73

5 0

3 years ago

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A triangle has side lengths of x, x+11, and 3x+5. What is the perimeter?

Tomtit [17]

Answer:

5x + 16

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

HELP ME ASAP PLEASE NOW PLEASSE!

juin [17]

Less then i really hope i helped

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4 years ago

The wind blew away 24 of your muffins. That was 3/4 of them! How many are left?

forsale [732]

Set up a proportion:

3/4/24 = 1/x

Cross multiply:

3/4x = 24

Divide 3/4 to both sides or multiply by its reciprocal, 4/3:

x = 24 * 4/3

x = 96/3

x = 32

So you had a total of 32 muffins, now subtract this from the amount that blew away to find out how many you have left:

32 - 24 = 8

So you have 8 muffins left.

3 0

3 years ago