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serg [7]
3 years ago
11

Heeelllllllllllppppppp again...lol

Mathematics
1 answer:
vodomira [7]3 years ago
4 0

Answer:

47 = C

Step-by-step explanation:

The exterior angle of a triangle is the sum of the opposite interior angle

99=52+C

99-52 = C

47 = C

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What is the radius diameter of the following circle?
svetlana [45]

Answer:

radius=7

diameter =2×radius

d=2×7

diameter=14

3 0
3 years ago
Read 2 more answers
Simplify (3x − 5) − (4x + 6).
irinina [24]

(3x − 5) − (4x + 6)

Pretend that there is a 1 in front of the first bracket.

Pretend that there is a -1 in front of the second bracket.

Multiply the first bracket by 1

(1)(3x)=3x, (1)(-5)=-5

Multiply the second bracket by -1

(-1)(4)=-4, (-1)(6)=-6

3x-5-4x-6

3x-4x-5-6 ( combine like terms)

-x-11

Answer: -x-11 or -11-x

3 0
3 years ago
Does 2, 5, and 7 make a right triangle
MakcuM [25]

Answer:  No, we don't have a right triangle

==========================================================

Explanation:

If a triangle with sides a,b,c makes the equation a^2+b^2 = c^2 true, where c is the longest side, then this triangle is a right triangle. This is the converse of the pythagorean theorem.

Here we have a = 2, b = 5 and c = 7.

So...

a^2+b^2 = c^2

2^2+5^2 = 7^2

4+25 = 49

29 = 49

The last equation is false, so the first equation is false for those a,b,c values. Therefore, we do <u>not</u> have a right triangle.

------------

In contrast, consider the classic 3-4-5 right triangle

a = 3, b = 4 and c = 5 would make a^2+b^2 = c^2 true because 3^2+4^2 = 5^2 is a true equation (both sides lead to 25).

6 0
3 years ago
The time it takes to process phone orders in a small florist/gift shop is normally distributed with a mean of 6 minutes and a st
Aleksandr [31]
E) 12 minutes

A normal curve has approximately 95% of graph between mean - 2sd and mean + 2sd
So 95% of the times will be between 0 and 12 minutes. 6 - 2x3 to 6 + 2x3
2.5% will take over 12 minutes

Strangely 2.5% will also take less than 0 minutes to process which shows the normal curve is not perfect in this example.
7 0
3 years ago
What is the ratio of 40cm and 18mm
snow_tiger [21]
40 cm = 400 mm, so 400 mm / 18 mm = 200:9, or 22.22:1.
5 0
3 years ago
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