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kati45 [8]
3 years ago
14

I dont get this someone help please

Mathematics
1 answer:
Delvig [45]3 years ago
7 0

Answer:

See the work below because showing your work requires multiple steps.

Step-by-step explanation:

So this question is basically asking you to find the area of both the triangle and the square to prove that their areas are identical.

You're going to need two equations to solve this problem:

Triangle: A = 1/2bh

Square: A = bh

These are because a triangle is essentially half of a square/rectangle.

So, first find the area of the triangle:

A = 1/2bh

A = 1/2 (2)(4)

A = 1/2 (8)

A = 4 units squared (4 units^2)

Then, find the area of the square:

A = bh

A = (2)(2)

A = 4 units squared (4 units^2)

After finding the areas for both the triangle and the square, it becomes clear that the two shapes have the same area. (This should be enough work to prove that the area is the same but feel free to let me know if you need more help!!! :D)

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8. Which expression is greatest? Justify your answer.<br> a. 4 X -5<br> b. -5 + 4<br> c. -4- (-5)
vladimir1956 [14]

Answer:

c

Step-by-step explanation:

i think this is the greatest because if you solve all of the expressions you will find out that this is the greatest.

a.4×-5=-20

b.-5+4=-1

c.-4-(-5)=1

therefore 1 is the greatest so the expression c is the greatest.

I hope this helps

3 0
3 years ago
Read 2 more answers
PLEASEEEE HELPPPP ASAPPPP
adelina 88 [10]

Answer:

x ≈ 7.1

Step-by-step explanation:

Using the cosine ratio in the right triangle.

cos27° = \frac{adjacent}{hypotenuse} = \frac{KL}{KM} = \frac{6.3}{X} ( multiply both sides by x )

x × cos27° = 6.3 ( divide both sides by cos27° )

x = \frac{6.3}{cos27} ≈ 7.1 ( to the nearest tenth )

6 0
3 years ago
Solve using quadratic formula<br> 5x^2-4x+3=0
Semenov [28]

Answer:

Impossible

Step-by-step explanation:

In 5x^2-4x+3=0, standard form, substitute these values in the quadratic formula:

a = 5; b = -4; c = 3

The quadratic formula is x = \frac{ -b ± \sqrt{b^{2} - 4ac}}{2a}

(ignore the weird capital A)

Substitute a b and c:

x = \frac{-(-4) ± \sqrt{(-4)^{2} - 4(5)(3)}}{2(5)}

Simplify:

x = \frac{4) ± \sqrt{16 - 60}}{10}

Because \sqrt{16-60} is the square root of a negative number, the answer would be imaginary.

Therefore, there are not solutions to this equation.

A solution is the same as the roots or zeroes, where the graph would cross the x-axis when graphed.

The graph never meets the x-axis. It looks like this:

3 0
3 years ago
Please help will give Brain!!
lys-0071 [83]
I think it would be SAS
8 0
3 years ago
60in in feet <br> Pls help fast !
PolarNik [594]

Answer:

5 feet

Step-by-step explanation:

Divide 60 inches by 12

Your answer is 5 feet.

Hope this helped :)

6 0
3 years ago
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