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4 years ago

Help me pretty please

Mathematics

1 answer:

Soloha48 [4]4 years ago

3 0

Answer:

Positive

Step-by-step explanation:

A line with a positive slope is one that as the x-value increases, the y-value increases as well.

As we go from left to right on this graph (the x-value increasing) the y-value of the graph increases. This means it has a positive slope.

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How do you solve this? (#11/#12)

zepelin [54]

$\text{If}\ x_1,\ \text{and}\ x_2\ \text{are zeros of a polynomial function, then the function}\\\text{has equation}:\\\\f(x)=a(x-x_1)(x-x_2).\\----------------------------\\\\11.\ \text{We have the zeros}\ 3\ \text{and}\ i:\\\\f(x)=(x-3)(x-i)=(x)(x)+(x)(-i)+(-3)(x)+(-3)(-i)\\\\=x^2-xi-3x+3i=\boxed{x^2-(3+i)x+3i}\\\\12.\ \text{We have the zeros}\ -2\ \text{and}\ 2i:\\\\f(x)=(x-(-2))(x-2i)=(x+2)(x-2i)\\\\=x^2-(2i)^2=x^2-2^2i^2=x^2-4(-1)=\boxed{x^2+4}\\\\\text{used}\\\\(a-b)(a+b)=a^2-b^2\\\\i=\sqrt{-1}\to i^2=-1$

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3 years ago

The sum of three consecutive integers is 162 . What are the integers?

Ksivusya [100]

Answer:

53 54 55

Step-by-step explanation:

Consecutive Integers are integers that go one after the other unless explained otherwise, so 53, 54 and 55 add up to 162.

6 0

3 years ago

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Carlos has her own dog walking business he charges his customers $15 per day to walk the dog identify the independent and depend

jek_recluse [69]

Answer:

independent variables:

- cost per day per customer

-number of dogs walked

-dependent variables:

- amount of money earned (in total)

Table is attached below!

Step-by-step explanation:

5 0

3 years ago

Graph the system of linear inequalities, please explain the process in solving this problem so I know how to do ones similar to

Ierofanga [76]

Graph the system of linear inequalities

x + y > 5

- x - y < -5

First we graph x + y >5

Step 1: replace > symbol by = sign

x + y =5

step 2 : Solve the equation for y

x + y =5 (subtract x from both sides)

y = 5 - x

step 3: Now we make a table . plug in some number for x and find out y

x -----> y

-1 -----> 6 ( y=5-x => y=5-(-1)= 6)

0 -----> 5 ( y=5-x => y=5-(0)= 5)

1 -----> 4 ( y=5-x => y=5-(1)= 4)

Step 4: we graph the table.

step 5: Shade the region that satisfies our inequality

x + y > 5. Greater than symbol implies that we shade the graph to the right

Graphing second inequality - x - y < -5

All terms have negative sign . so divide all the terms by -1. When we divide an inequality by -1 its sign changes

- x - y < -5 becomes x + y > 5

Follow the same steps to graph this inequality

After dividing the second equation by -1 , we got the same as the first equation.

So we will get the same graph

Both graphs overlaps

The graph of first and second inequality overlaps

The graph is attached below

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3 years ago

An equilateral triangle has sides length 6 cm. What is the perimeter?

Vesnalui [34]

Answer:

<em>18cm</em>

Step-by-step explanation:

Perimeter of triangle= a+a+a (side + side+ side)

Perimeter of triangle= 6 cm+6cm+6cm

Perimeter of triangle= 18cm

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3 years ago

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Help me pretty please​

Help me pretty please