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makkiz [27]
3 years ago
13

Pls help me x really need the answer for this x​

Mathematics
1 answer:
nevsk [136]3 years ago
5 0

Answer:

18 cm squared

Step-by-step explanation:

The formula for finding the area of a triangle is a = 1/2bh with a being the area, b being the base, and h being the height. We can use this formula to determine the area of the given triangle.

First, we need to find the base. The base is the <em>bottom side</em> of a triangle. The bottom side of this triangle isn't given, so we can just pretend like one of the 6 cm-long sides is the bottom side. We have to find 1/2 of this. 1/2 of 6 is 3, so we now have a = 3h.

What is our height? Our height is the length of the side <em>perpendicular to the bottom side</em>. It looks like that side is 6 cm as well. So we have to multiply 3 by 6 to find the area. 3 times 6 is 18, so that is the total area of our triangle. We also have to remember to say that these units are <em>squared</em>, since we multiplied cm by cm to get cm squared.

Hopefully this was helpful! If anything was confusing, let me know so I can make things clearer. :)

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You take a national test in which the mean score is 300 and the standard deviation is 60. You earn a 380.
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Answer:

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Step-by-step explanation:

Since we are given the mean and standard deviation of a national test (whole population) it is fair to assume a large population size, and the use of the z-score would be more appropriate, since the z-score is used for the standardization of population data, while the t-score is recommended for samples or small populations.

8 0
4 years ago
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Ahmed wrote an expression as 12x + 24, find all the equivalent expressions using the distributive property.
xeze [42]

Answer:

12x + 24 = 2(6x + 12)

12x + 24 = 3(4x +  8)

12x + 24 = 4(3x +  6)

12x + 24 = 6(2x +  4)

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Step-by-step explanation:

Given

12x + 24

Required

Equivalent expressions

No option were given; So, I will list out some possible equivalent expressions.

Using distributive property:

AB + AC = A*(B + C)

So, we have:

12x + 24 = 2*6x + 2 * 12

12x + 24 = 2(6x + 12) ----- (1)

Another:

12x + 24 = 3*4x + 3 * 8

12x + 24 = 3(4x +  8)

Another:

12x + 24 = 4*3x +  4*6

12x + 24 = 4(3x +  6)

Another:

12x + 24 = 6*2x +  6*4

12x + 24 = 6(2x +  4)

Another:

12x + 24 = 12*x +  12*2

12x + 24 = 12(x +  2)

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3 years ago
WILL GIVE BRAINLEST
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Answer:

do we answer all of them are just one

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