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Ray Of Light [21]
3 years ago
8

Select the letter of the correct answer

Mathematics
1 answer:
Lisa [10]3 years ago
8 0

The correct answer is E, 9.

4•9=36.

36+14=50.

The angles have to equal 180 so.

130+(50)=180 which is correct.

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Which of the following is equivalent to<br> 2(x2 – x) + 3(x2 – x)?
crimeas [40]

Answer: 5x(x-1)

Step-by-step explanation:

2(x2 - x) + 3 (x2 - x)

5x(2 power) - 5x

= 5x(x - 1)

3 0
3 years ago
In the figure below which term best describes point X?
Dmitrij [34]

The answer is B. centroid, which is the intersection of three medians of the triangle's sides.

Let's look into other answers as well:

A. Circumcenter

It is the point where three perpendicular bisector meet, and is not correct as we can see there is no indication of right angles.

The first photo is what a circumcenter looks like:

C. Incenter

It is the point where the angle bisectors of the triangles meet, which is not indicated in the photo as well.

The second photo is what a incenter looks like:

D. Orthocenter

It is a point where the altitudes of a triangle intersect, and is not indicated by the figure.

The second photo is what a Orthocenter looks like:

Therefore the answer is B. Centroid.

Hope it helps!

3 0
3 years ago
If 20 mangoes cost 850 naira , what is the cost of 15 Mangoes​
Marianna [84]
In this math problem, we will be using rate of change.
850 naira’s / 20 mangoes
= 42.5 nairas for one mango.
Next, to find the cost of 15 mangoes, we will take the cost of our one mango and simply multiply it by 15.
= 42.5 nairas * 15
= 637.50 nairas
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3 0
3 years ago
How can properties of operations help to generate equivalent expressions that can be used in solving problems ?
svet-max [94.6K]
I’m not the best at math, but ⬇️

For example, apply the distributive property to the expression 3(2 + x) to produce the equivalent expression 6 + 3x; apply the distributive property to the expression 24x + 18y to produce the equivalent expression 6 (4x + 3y); apply properties of operations to y + y + y to produce the equivalent expression 3y
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JulsSmile [24]
1/2 = 18 cut
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Alex rides for t
D= 18 (t + 1/36) = 24 t
18 t+ 18/36 = 24 t
6 t = 1/2
T = 1/12 hour = 5 minutes
4 0
3 years ago
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