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julia-pushkina [17]
3 years ago
5

Plzzz helpppp333332222222222

Mathematics
2 answers:
yan [13]3 years ago
8 0

Answer:

B. 10 units

Step-by-step explanation:

Use the pythagorean theorem. (a^2 + b^2 = c^2)

Pretend that PQ is the hypotenuse of a right triangle.

Count the number of units for the supposed legs of the triangle.

The height would be 6 while the base is 8.

6^2 + 8^2 = PQ^2

36 + 64 = PQ^2

100 = PQ^2

PQ = 10

So, the answer is B.

Sati [7]3 years ago
5 0

Answer: The answer is C or 13 units

How?: by a method called rise over run

the rise is at the y axis and the run is at x axis

*COUNT VERY CAREFULLY*

if you count right you should get 6 as a rise and  7 for run

6+7= 13

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What is the approximate surface area of a sphere with a circumference of 37.68
sergij07 [2.7K]
We must find the radius so we can plug this into the formula for surface area. 

Circumference = 2 \pi r
37.68 = 2 \pi r \\ r = 37.68/2 \pi

We are going to plug this in as our radius for the most accurate answer. 

The surface area of a sphere is 4 \pi  r^{2}

Surface Area = 4 \pi  ( \frac{37.68}{2 \pi }) ^{2} ≈ 451.93 units
6 0
3 years ago
Is triangle ABC similar to triangle DEF? why or why not.
Lana71 [14]

Answer:

D

Step-by-step explanation:

Two triangles are congruent if they have the same three sides in proportion and they have exactly the same angles.

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3 0
3 years ago
Please help with this math question
nika2105 [10]
263.27 m^2

rectangle : 15 x 10 = 150 m^2
the half circle at the top has a diameter of 6m. therefore, it’s radius is 3m. if it is cut in half, the part removed from the triangle height is 3m. therefore, the height of the triangle is 35 -15 = 20; 20 - 3 = 17. the height of the triangle is 17. the triangle area formula is a = 1/2(bh).
a = 1/2 (10)(17)
a = 1/2 (170)
a = 85 m^2
the circle would be a = πr^2 but divided by 2 bc it’s a half circle
a = π(3)^2
a = π9
a = 28.27 m^2
150 + 85 + 28.27 = 263.27 m^2
3 0
3 years ago
Please help me. I don't know what the answer is thank you!
nlexa [21]
Hello,

mes angle AEC=(69+105)/2=87
mes angle AED=(74+112)/2=93

Answer A
4 0
3 years ago
Point Q is the centroid of △ABC. QE = _____
pychu [463]
That’s the answer to your question.

7 0
3 years ago
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