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Akimi4 [234]
3 years ago
8

Square root of 64+49-2(8)(7)cos32

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
8 0

Answer:

+4.245

Step-by-step explanation:

Before you can find the square root of x^2, you have to EVALUATE

64+49-2(8)(7)cos32, and THEN take the square root of the result:

64+49-2(8)(7)cos32 = 64 + 49 - 112(0.848) =  113 - 94.981 = 18.019

Then x^2 = 18.019.

Find the square root of 18.019:  It is +4.245.  A negative result here would make no sense.

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Gang charges $22.50 per hour for Consulting Services how much was she charged for seven and a half hours of Consulting
Bogdan [553]

Answer

$168.75

Step-by-step explanation:

$22.50 per hour meaning every hour she gets 22.50

half an hour would be half the money so

22.50 * 7 = 157.50

22.50/2 = 11.25


157.50 + 11.25 = 168.75


168.75 is the answer

6 0
3 years ago
Can someone please help
andre [41]

Answer:

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Step-by-step explanation:

3 0
3 years ago
What is 41/6 simplified into 12
FrozenT [24]

41/6 = - 41/6 = - 6 5/6 = - 6.833333333333; Result written as a negative improper fraction, a mixed number (also called a mixed fraction) and a decimal number. Ordinary (simple, common) math fraction reducing to lowest terms (simplifying), answer with explanations below.

3 0
2 years ago
Read 2 more answers
4 2/3 x 4/5 x 8 1/3 =
Sliva [168]

the answer is a repeating decimal 31.1111111111 but just put 31.1

5 0
3 years ago
To find 10, Beau found 32 = 9 and 42 = 16. He said that since 10 is between 9 and 16, 10 is between 3
AlexFokin [52]

Given that:

Consider it is \sqrt{10} instead of 10 on two places.

\sqrt{10} is between 3  and 4. So, Beau thinks a good estimate for \sqrt{10} is = 3.5.

Solution:

To find \sqrt{10}, Beau found 3² = 9 and 4² = 16.

He said that since 10 is between 9 and 16.

Since 10 is close to 9, therefore \sqrt{10} must be close to 3. So, Beau's estimate is high.

Now,

(3.1)^2=9.61

(3.2)^2=10.24

Since, 10 lies between 9.61 and 10.24, therefore \sqrt{10} must be lies between 3.1 and 3.2.

\dfrac{3.1+3.2}{2}=3.15

Therefore, the estimated value of \sqrt{10} is 3.15.

4 0
3 years ago
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