What is the graph of the equation? y=-2

Answers

Answer 1

Answer: Your answer would look like this

Answer 2

Answer: The answer is D because it is a horozontal line crossing the Y-axis at the point (0,-2)

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After a tropical storm in a certain state, news reports indicated that 19 percent of households in the state lost power during the storm. A state engineer believes that estimate is too low. The engineer will collect data to perform a hypothesis test on the proportion of all households without power. Which of the following are the appropriate hypotheses for such a test?
Please help! Find the x-intercepts of the parabola with vertex (-4, 2) and y-intercept (0, -30). Write your answer in this form: (x1, y1), (x2, y2). If necessary, round your answer to the nearest hundredth.
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Complete the proportion: 7/11 = ?/121

Thomas is saving his money so he can buy a new pair of roller blades that cost $75.00. Last month he saved $12.50. If he continues to save the same amount each month, how many months will he need to save in order to buy the roller blades?

Answers

Answer: 6 months

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A certain alloy contains 5.25% copper. How much copper is there in a piece weighing 200 pounds?

Answers

There are 10.5 pounds of copper in a piece weighing 200 pounds.

We have,

The concept used to calculate the amount of copper in a piece weighing 200 pounds is the concept of percentage.

Now,

5.25 pounds of copper is to 100 pounds of alloy as x pounds of copper is to 200 pounds of alloy.

To determine the amount of copper in a piece weighing 200 pounds, we need to calculate 5.25% of 200 pounds.

To do this, we multiply 5.25% (or 0.0525) by 200:

0.0525 * 200 = 10.5

Therefore,

There are 10.5 pounds of copper in a piece weighing 200 pounds.

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The 200-pound piece of alloy contains 10 and a 1/2 pounds of copper.

Find two consecutive positive odd integers whose product is 35??

Answers

You could multiply -7*-5 in order to get 35 which in case you don't know when you multiply 2 negative integers together you get a positive number just like when you add 2 odd numbers together

Answer:

Step-by-step explanation:

You could multiply -7*-5 in order to get 35 which in case you don't know when you multiply 2 negative integers together you get a positive number just like when you add 2 odd numbers together

What is the sum of the given polynomials in standard form?
(x2 – 3x) + (–2x2 + 5x – 3)

Answers

Answer:

$-x^2+2x-3$

Step-by-step explanation:

We have $(x^2- 3x) + (-2x^2 + 5x -3)$ which is the same as:

$x^2-3x-2x^2+5x-3$

The polynomial has 5 terms that we are going to analyse:

1st. term: $x^2$ Degree: 2 Coefficient: 1

Observation: Coefficient is the number in front of a variable. In this case the variable is x. Then the first term has coefficient 1 because $(1).x^2=x^2$ .

2nd. term: $-3x$ Degree:1 Coefficient: (-3)

3rd. term: $-2x^2$ Degree:2 Coefficient: (-2)

4th. term: $5x$ Degree:1 Coefficient: 5

5th. term: $-3$ Degree:0 Coefficient: (-3)

We have to reorder the polynomial writing each term in order of degree from highest to lowest (left to right).

The terms with highest degree are the first and third. Then the second and fourth term. And the lowest degree corresponds to the fifth term.

The polynomial now is:

$x^2-2x^2-3x+5x-3$

Now we have to sum the terms that have the same degree:

$x^2-2x^2=(1-2)x^2=(-1)x^2=-x^2$

$-3x+5x=(-3+5)x=2x$

Then the result is:

$-x^2+2x-3$

-x2 + 2x - 3 is the final answer to that

A triangle, ΔABC, is reflected across the x-axis to have the image ΔA'B'C' in the standard (x,y) coordinate plane; thus, A reflects to A'. The coordinates of point A are (c,d). What are the coordinates of point A'?

Answers

The coordinates of point A' is (c, -d).

What is a reflection?

There are two ways of reflection.

Along x-axis:

(x, y) – (x, -y)

Along y-axis:

(x, y) - (-x, y)

We have,

A triangle, ΔABC, is reflected across the x-axis to have the image ΔA'B'C'.

Now,

A = (c, d)

Reflection across the x-axis.

This means,

(x, y) → (x, -y)

So,

(c, d) → (c, -d)

Thus,

(c, -d) is the coordinates of point A'.

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Answer:

sorry fr being 7 years late, but the answer is option a!

Step-by-step explanation:

F(x)=5x+1 Find f(-4)
Any idea how to solve this question?

Answers

I have an idea also.

so f(x) means the function of x
a function is when you put a value into the function (think of it like a machine) it processes the value and spits a value out so
f(-4) means put -4 into the funciton so put -4 for x in the funciton so
f(-4)=5(-4)+4
f(-4)=-20+1
f(-4)=-19

Yes, I have an idea.

Take the (-4) and put it into the F(x) in place of the 'x'.

Try it and let us know if it works.

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