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mylen [45]
3 years ago
13

LIVE TEST NEED HELP Several students made comments about this image C B D Which comment is true? "If I know the measures of A an

d B, I can subtract those measures from 180 to find the measures of the two angles." "If I know the measure of C, I can find the measure of angle A because they are the same." “if I know the measures of angles C and B, I can find the measures of A and D." "If I know the measure of angle A, I can find the measure of angle D by subtracting from 180"​

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
3 0
The last two are correct: “If I know the measures of Angles C and B, I can find the angles of A and D.” and “If I know the measure of angle A, I can find the measure of angle D by subtracting from 180”
Hope that helps: )
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Find the percent of the area under the density curve where x is more than 3. <br>​
Gekata [30.6K]

Answer:

The percent of the area under the density curve where x is more that 3 is 25 %.

Step-by-step explanation:

Since the density curve is a linear function, the area under the curve can be calculated by the geometric formula for a triangle, defined by the following expression:

A = \frac{1}{2}\cdot (x_{f} - x_{o})\cdot  (y_{f}-y_{o}) (1)

Where:

A - Area, in square units.

x_{f} - x_{o} - Base of the triangle, in units.

y_{f} - y_{o} - Height of the triangle, in units.

The percent of the area is the ratio of triangle areas under the density curve multiplied by 100 per cent, that is:

x = \frac{\frac{1}{2}\cdot (5-3)\cdot (0.25) }{\frac{1}{2}\cdot (5-1)\cdot (0.5) }\times 100\,\%

x = 25\,\%

The percent of the area under the density curve where x is more that 3 is 25 %.

7 0
3 years ago
How do you find the are of the diameter
GalinKa [24]
I think you mean circumference, which is equal to = 2πr
6 0
3 years ago
SOMEBODY HELPPPPPPPPPP BE FAST
Paul [167]

The answer 30, 40, 50

Forms a right triangle

Hope this helps!

5 0
3 years ago
The sum of two times x and one is at least 11. Write this word sentence as an inequality
Aneli [31]

Answer:

2x + 1 ≥ 11

Step-by-step explanation:

I believe this is it. Hope this helped!

7 0
3 years ago
You have prices to rev
Alex17521 [72]

Answer:

34 minutes

Step-by-step explanation:

Given

Time\ Spent = 6

Phone\ Calls = 40

Required

Number of minutes left to spend (x)

Since there's only 1 minute left to spend on every other call;

Time left = x * 1

Time left = x

The required can further be calculated using:

Time\ Spent + Time\ Left = Phone\ Calls

This gives:

6 + x = 40

Subtract 6 from both sides

x = 40 - 6

x = 34

<em>Hence, there are 34 minutes left to spend</em>

8 0
3 years ago
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