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Degger [83]
2 years ago
7

HELPP ASaPP I’ll mark you as brainlister

Mathematics
2 answers:
dimulka [17.4K]2 years ago
8 0

Answer:

8.9

Step-by-step explanation:

nika2105 [10]2 years ago
5 0

Answer:

BC ≈ 8.9 units

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos36° = \frac{adjacent}{hypotenuse} = \frac{BC}{AB} = \frac{BC}{11} ( multiply both sides by 11 )

11 × cos36° = BC , then

BC ≈ 8.9 ( to the nearest tenth )

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Which pair of fractions and mixed numbers have a common denominator of 20?
mariarad [96]

Answer: The answer is the 4th option

Step-by-step explanation: Hope this helps!

6 0
3 years ago
Will mark brainly :)
WARRIOR [948]

Answer:

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7 0
2 years ago
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The correct answer is <span> 565 cm^3.

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3 0
3 years ago
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Rob is twice Joshua's age. Nick is 5 years older than Joshua. The sum of all their ages is 45. How old is Nick?
MatroZZZ [7]

Given

Rob is twice Joshua's age

Nick is 5 years older than Joshua.

sum of all their ages is 45.

Find the age of nick.

To proof

As given

Rob is twice Joshua's age

let  Joshua's age = x

than Rob age = 2x

Nick is 5 years older than Joshua.

Nick age = 5 + x

sum of all their ages is 45

than the equation becomes

Joshua's age + Rob age + Nick age = 45

put the value

x + 2x + 5 + x = 45

4x = 40

x = 10

Joshua's age = 10 year

than Rob age = 20 year

Nick age = 5 + 10

                = 15year

Hence proved


6 0
3 years ago
Division of fractions 12/15 divided by 1/5
zimovet [89]
12/15÷1/5

when dividing fractions, all you have to do is multiply the first number by the second number's reciprocal
(reciprocal is denominator over numerator)

12/15÷1/5
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remember when multiplying fractions it's the the two numerators multiplied together over the two denominators multiplied

12/15×5/1
60/15
4

The answer is 4
4 0
3 years ago
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