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UNO [17]
2 years ago
8

How do you find the messure of multiple missing angles?

Mathematics
2 answers:
pickupchik [31]2 years ago
8 0

Step-by-step explanation:

use the total sum of 180° if two angles are given, add them together and then subtract from 180°, if two angles are the same and unknown, subtract the known angle from 180° and then divid by 2

11Alexandr11 [23.1K]2 years ago
5 0

Answer:

To determine to measure of the unknown angle, be sure to use the total sum of 180°. If two angles are given, add them together and then subtract from 180°. If two angles are the same and unknown, subtract the known angle from 180° and then divide by 2.

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Please include work!
aleksandrvk [35]

Answer:

A) y = x^2 -1

B) -y = 2x^2 +1  We multiply B) by -1

B) y = -2x^2 -1

We can then say x^2 -1 = -2x^2 -1

3 x^2 = 0

x = 0

************* Double-Check: ******************

Equation A) y = -1 and

Equation B) y = -1

Step-by-step explanation:

5 0
3 years ago
Perimeter of a triangle with side length of 13.9in,10.4,8.5in
AlladinOne [14]

Perimeter =a+b+c

13.9 + 10.4 + 8.5 =

32.8 in (perimeter)


6 0
3 years ago
Read 2 more answers
In a bag are 5 oranges and 4 mangoes select one replaces it and select another . What is the probability that both selections we
Serggg [28]

Answer:

P(orange)x P(orange)= 5/9 x 5/9= 25/81

Step-by-step explanation:

4 0
3 years ago
How can logarithms be graphed with different bases?
yan [13]
You could use change of base formula
7 0
3 years ago
It takes 12 hours for a single hose to fill a large vat. When a second hose is added, the vat can be filled in 4 hours. How many
aksik [14]
<h3>Answer:</h3>

6 hours

<h3>Step-by-step explanation:</h3>

The two hoses together take 1/3 the time (4/12 = 1/3), so the two hoses together are equivalent to 3 of the first hose.

That is, the second hose is equivalent to 2 of the first hose. Two of the first hose could fill the vat in half the time one of them can, so 6 hours.

The second hose alone can fill the vat in 6 hours.

_____

The first hose's rate of doing work is ...

... (1 vat)/(12 hours) = (1/12) vat/hour

If h is the second hose's rate of doing work, then working together their rate is ...

... (1/12 vat/hour) + h = (1/4 vat/hour)

... h = (1/4 - 1/12) vat/hour = (3/12 -1/12) vat/hour = 2/12 vat/hour

... h = 1/6 vat/hour

so will take 6 hours to fill 1 vat.

8 0
3 years ago
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