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sesenic [268]
3 years ago
8

How do you do equations involving factored expressions

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
8 0
Distribute the brackets to get all your terms and then combine like terms to simplify your expression.

(X+2)(x+2)
= x^2 + 2x + 2x + 4
= x^2 + 4x + 4
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inna [77]

Answer:

it's 12% goodnight to you

7 0
3 years ago
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Whats the x and y intercept for x + 4y = 36
sergij07 [2.7K]

Answer:

x intercept (36, 0)

y intercept (0, 9)

Step-by-step explanation:

x intercept when y = 0 so x = 36

y intercept when x = 0 so 4y = 36; y = 9

Answer

x intercept (36, 0)

y intercept (0, 9)

3 0
3 years ago
What is the distance between -25 and 15 on a number line?
storchak [24]
Well if you have one that’s negative and one that’s positive, I’m guessing that you would add them. So 25+15 is 40. Also the distance will always be positive because it can only be that way. Otherwise we might have a singularly on our hands, heheh... So the distance is 40 between these 2 points.
7 0
3 years ago
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Three locations are marked next to a river. Points B and C are on the same side of the river, and point A is on the other side o
nlexa [21]

Answer:

74.31353

=74 m

Step-by-step explanation:

given that three  locations are marked next to a river. Points B and C are on the same side of the river, and point A is on the other side of the river. To find the distance AB across a river, a distance BC of 241 meters is laid off on one side of the river. It is found that the angle at point B is 108.6° and the angle at point C is 14.9°.

we have information about triangle ABC as side BC =241, Angle B = 108.6 and angle C = 14.9 degrees.

Hence this is an obtuse scalene triangle.

Angle ∠A = 56.5° (III angle)

Using sine formula we get

\frac{AB}{sin 14.6} =\frac{BC}{sin 56.5} \\AB = 74.31353

So distance AB is 74 metres.

5 0
3 years ago
I need help please..​
olganol [36]

Answer:

The are 125:9

Step-by-step explanation:

When we know the scale factor

The lengths are related by the scale factor

The areas are related by the scale factor squared

The volumes are related by the scale factor cubed

Since the scale factor is 5:3

Cube each side

5^3: 3^3

125:9

The are 125:9

6 0
3 years ago
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