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Sever21 [200]
3 years ago
12

Using tiles to multiply two binomials

Mathematics
1 answer:
telo118 [61]3 years ago
5 0
Using the FOIL method, we can solve for (x - 2)(x - 3)
First, Outside, Inside, Last

x(x) = x²
x(-2) = -2x
x(-3) = -3x
-2(-3) = 6

x² - 2x - 3x + 6 = x² - 5x + 6

since it is suppose to be 6 positive boxes (+) instead of six negative boxes (-), i believe your answer is: B, even though i'm not all that sure how the boxes work. But choose the answer that will help you get x² - 5x + 6

hope this helps
You might be interested in
How to I put x>-2.5 on a number line?
AysviL [449]

Answer:

Open circle. Points right

Step-by-step explanation:

The reason for it is because this symbol > represents greater than when it comes to inequalities. When it is an open circle that means that you are not including the number. So that also means that the -2.5 is not included to the inequality equation but it can be any other number other than that number.

4 0
2 years ago
Help!!! What’s x/3=-8
mixer [17]

Answer:

x = -24

Step-by-step explanation:

We gotta get rid of that 3 under x, so we multiply the reciprocal of 1/3, which is 3, if we multiply that on one side, we must also multiply on the other side.

3 · x/3 = -8 · 3

x = -24

Hope this helps! good luck on whatever you're doing :]

5 0
3 years ago
On a blueprint, the scale says that 2 cm represents 3 m. What is the actual length of a wall if it's measurement on the blueprin
Lena [83]

Answer:

7!!

Step-by-step explanation:

3 0
2 years ago
I need help with this question please.
vredina [299]

Answer:

tan(2x)=-24/7

Step-by-step explanation:

Since tan(x)=sin(x)/cos(x)

We are going to need sin(x) any time, so lets find it right away.

To do this, remember that. sin(x)^2 + cos(x)^2=1

so. sin(x)= \sqrt{1 - (cos(x)^{2} )}=\sqrt{1-(-4/5)^{2} }

This leads to.

\sqrt{\frac{25-16}{25} } =\sqrt{\frac{9}{25} }=+/- 3-5

We have obtained two solutions, -3/5 and 3/5.

We need to pick one, since not all of them are correct for our scenario, in this case, we've been told that x belongs to the range [180, 270], in this range, sin(x)<0.

So in our previous solution, we have that sin(x)= -3/5

Now, to find tang(2x), we need to apply the definition

Tang(2x)=sin(2x)/cos(2x).

Lets remember that

sin(2x)=2*sin(x)*cos(x)

cos(2x)=cos(x)^2 - sin(x)^2.

Lets evaluate our given result.

sin(2x)=2*(-3/5)*(4/5)=-24/25

cos(2x)=(-4/5)^2 - (3/5)^2=7/25

Hence

tan(2x)= -(24/25) / (7/25)=-24/7

5 0
3 years ago
Josh mows grass to earn extra money. He charges $25.00 for each lawn. He mows at least 5 yards each week; but not more than 20 y
aleksklad [387]

Answer:

Let

x = number of yards mowed

The domain of the function is

 5 ≤  x  ≤ 20

If we multiply the inequality by 25, we get

125  ≤  25*x  ≤ 500

Which is the same as

125  ≤  f(x)  ≤ 500

(Range of the function)

Domain   5 ≤  x  ≤ 20

Range     125  ≤  f(x)  ≤ 500

3 0
2 years ago
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