Solve the system of equation below by graphing them

y= 2x-3
y=-2x+5

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

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Which of the following questions describes the equation g + (-4) = -5?What number, when added to negative four, is equal to negative five?
What number, when added to negative five, is equal to negative four?
What number, when subtracted from negative four, is equal to negative five?
What number, when subtracted from negative five, is equal to negative four?

Answers

Answer:

First question describe the equation $g + (-4) = -5$

Step-by-step explanation:

Given:

The given equation is.

$g + (-4) = -5$

Four questions are given.

First question.

What number, when added to negative four, is equal to negative five?

Lets we add g as a integer with negative four is equal to negative five.

Write the above statement in mathematical terms.

$g + (-4) = -5$

So first question describe the equation $g + (-4) = -5$ It is right answer

Second question.

What number, when added to negative five, is equal to negative four?

Lets we add g as a integer with negative five is equal to negative four.

Write the above statement in mathematical terms.

$g + (-5) = -4$

So Second question describe the equation $g + (-5) = -4$

Third question.

What number, when subtracted from negative four, is equal to negative five?

Lets we subtract g as a integer with negative four is equal to negative five.

Write the above statement in mathematical terms.

$-4 - g = -5$

So first question describe the equation $-4 - g = -5$

Fourth question.

What number, when subtracted from negative five, is equal to negative four?

Lets we subtract g as a integer with negative five is equal to negative four.

Write the above statement in mathematical terms.

$-5 -g = -4$

So first question describe the equation $-5 -g = -4$

Therefore first question is describes the equation $g + (-4) = -5$

Answer:

What number, when added to negative five, is equal to negative four?

Step-by-step explanation:

Hot dogs come in packages of 6. Hot dog buns come in packages of 8. Antonio will buy the same number of hot dogs as hot dog buns. How many hot dogs could he buy?

Answers

Multiply them you will get 48
:-)

3 hotdog packages and 2 packages of hot dog buns

hope that helpes

Which is the graph of f(x) = (x – 1)(x + 4)?On a coordinate plane, a parabola opens down. It goes through (negative 1, 0), has a vertex at (1. 75, 6.2), and goes through (4, 0).

On a coordinate plane, a parabola opens down. It goes through (negative 4, 0), has a vertex at (negative 1. 75, 6.2), and goes through (1, 0).

On a coordinate plane, a parabola opens up. It goes through (negative 1, 0), has a vertex at (1. 75, negative 6.2), and goes through (4, 0).

On a coordinate plane, a parabola opens up. It goes through (negative 4, 0), has a vertex at (negative 1. 75, negative 6.2), and goes through (1, 0).

Answers

Answer:

None of the above

Step-by-step explanation:

See the attachment for x-intercepts and vertex coordinates. These coordinates do not match any of the answer choices.

___

The closest choice is the last one. It has the direction of opening and the intercepts correct, but the vertex coordinates wrong.

We can write the graph of f(x) = (x - 1)(x + 4) as, "On a coordinate plane, a parabola opens up. It goes through (-4, 0), has a vertex at (-1.5, -6.25), and goes through (1, 0)."

What is a parabola?

A parabola is a plane curve created by a moving point whose distance from a stationary point equals its distance from a fixed-line.

How do we solve the given question?

In the question, we are given an equation of f(x) = (x - 1)(x + 4), and are asked to identify its graph.

The given equation is of a parabola in the intercept form f(x) = a(x - p)(x - q), which opens up if a > 0 and opens down if a < 0, and which has a vertex at the point $\left ( (p+q)/(2),f\left ( (p+q)/(2) \right ) \right )$ , and passes through the point (p, 0) and (q, 0).

Comparing the equation f(x) = (x - 1)(x + 4) to f(x) = a(x - p)(x - q), we get

a = 1, p = 1, q = -4.

Since, a > 0 (a = 1), we can say that it opens up.

Now, we calculate (p + q)/2 = (1 - 4)/2 = -1.5

f((p + q)/2) = f(1.5) = (-1.5 - 1)(-1.5 + 4) = (-2.5)(2.5) = -6.25.

Thus, the vertex is at point (-1.5, -6.25).

Also, the equation passes through the points (-4, 0) and (1, 0).

∴ We can write the graph of f(x) = (x - 1)(x + 4) as, "On a coordinate plane, a parabola opens up. It goes through (-4, 0), has a vertex at (-1.5, -6.25), and goes through (1, 0)."

Learn more about a Parabola at

brainly.com/question/17987697

#SPJ2

Forty-two percent of the African-American pilots who served in WWII came to the awards ceremony. One thousand African-American pilots served in WWII. How many of them came to the awards ceremony?

Answers

410, because any percentage of 100 is itself

Answer:

410, because any percentage of 100 is itself

Step-by-step explanation:

I need to figure out the answer to this problem, and so far, after an hour, I can't. Can someone help me please? as soon as possible. THanks!P.S. I need the answer to letter b.

Jake drew an isolsceles triange.
10a. What are the measures of the two acute angles?
10b. How do you know?

Answers

Well, first I need to explain A for you to understand B.
So, an isosceles triangle has two equal angles. Assuming that the third angle is obtuse, it has to be greater than 90 degrees.
Now, do 180-91. that equals 89. 89 divided by two equals 44.5. This is an acute angle, and 44.5+44.5+89=180. 180 is the sum of the angles of a triangle

For B, it's honestly just a description of the way you did it. You can use what I did or if you did a different method.
Sorry it's so late! I hope it's on time!

How do you write 9,800,100 in exponents and expanded form