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Artist 52 [7]
3 years ago
7

The measure of EC bisects

Mathematics
1 answer:
stepladder [879]3 years ago
5 0

Answer:

The value of x = 20

Step-by-step explanation:

Given:

∠BOC = 3x - 15

∠COD = 2x + 5

Find:

The value of x

Computation:

⇔ ∠BOC + ∠COD = 90

⇔ 3x - 15 + 2x + 5 = 90

⇔ 5x - 10 = 900

⇔ 5x = 90 + 10

⇔ 5x = 100

⇔ x = 100 / 5

⇔ x = 20

The value of x = 20

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Find the value of 3/4 + 1/5 cannnnnn anyone helppp!???
Oxana [17]

Value of 3/4 + 1/5 is 19/20.

Do you need the steps?

First, calculate the LCM of the denominators (4 and 5) which is 20.

Now, divide 20 by 4 and 5 and multiply the quotient with the numerator.

=>

<u> </u><u>(</u><u>5</u><u>×</u><u>3</u><u>)</u><u> </u><u>+</u><u> </u><u>(</u><u>4</u><u>×</u><u>1</u><u>)</u><u> </u><u> </u>

20

=> <u>15+4</u>

20

=> 19/20

Hope it helps!

Please mark as brainliest :D

8 0
3 years ago
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Erin has a balance of $1,150.34 in her check register. On her statement, the balance of her account is $844.93. Not reported on
larisa [96]

Answer:

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Step-by-step explanation:

6 0
3 years ago
Johan can drive 270 miles on 9 gallons of gas. What is his average mileage?
VladimirAG [237]

Hey there!

The correct answer is 30 miles per gallon.

If he can drive 270 miles on 9 gallons, we want to find the unit rate, or miles per gallon. We can do this by dividing 270 by 9. To make it easier, we will take off the zero, and do 27/9, which is 3. Now we add the 0 back on, which gives us 30. Therefore, his average mileage is 30 miles per gallon.

Have a terrificly amazing day! :D

4 0
3 years ago
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There are 250 students in the 6th grade 45% of the eat lunch in 4th period how many students eat lunch in 4th period?
horrorfan [7]

Answer: 112.5

Step-by-step explanation:

The question really is asking whats 45% of 250

1. Calculate 10% of the total

2. Calculate 5% of the total

3. Solve for 40% of the total

4. Add 5% of the total

1. 10% of 250

250 = 100%

*divide both sides by 10*

25 = 10%

2. 5% of 250

25 = 10%

*divide both sides by 2*

12.5 = 5%

3. 40% of 250

10% + 10% + 10% + 10% = 40%

25 + 25 + 25 + 25 = 40%

50 + 50 = 40%

100 = 40%

4. 45% of 250

100 = 40%

12.5 = 5%

100 + 12.5 = 40% + 5%

<em>112.5 = 45%</em>

7 0
2 years ago
Simplify and determine the coefficient of (-2/5x) (5y) (-2x)
slamgirl [31]
The answer is 4 x^2y. <em> I cannot explain to you how I know I'm right. I'm the type of person who HAS to do the work in their head . I am a very experienced person in any Mathematics area. I am NOT saying I'm an expert , but it is one of my strongest subjects . </em>

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3 years ago
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