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Nimfa-mama [501]
3 years ago
13

Hello I need someone to help me with a math problem from Kahn academy​

Mathematics
1 answer:
son4ous [18]3 years ago
6 0

Answer:

Step-by-step explanation:

The rule for Cos is Cosine = adjacent over hypotenuse which means which ever side is closest to the angle(24) (not hypotenuse). And the Hypotenuse which is the longest side so (25).

So now we have Cos(a) = Cos(\frac{24}{25}) = 0.57351998607

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In the equation 6x − 2 = −4x + 2, Spencer claims that the first step is to add 4x to both sides. Jeremiah claims that the first
dolphi86 [110]
6x - 2 = -4x + 2
Spencer: 6x - 2 = -4x + 2       /+4x6x - 2 + 4x = -4x + 2 + 4x10x - 2 = 2
Jeremiah:6x - 2 = -4x + 2      /-6x6x - 2 - 6x = -4x + 2 - 6x-2 = -10x + 2
They both are correct. But in Jeremiah's version of solving the equation, we would have to multiply equation by -1, which we don't have to do in the Spencer's version.
Source: Brainly.com 
4 0
4 years ago
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Who do you simplify 10/12
Airida [17]

Answer:

5/6

Step-by-step explanation:

reduce by a number that goes in both numbers like 2

10/2= 5

12/2 = 6

5/6 is the reduce fraction

3 0
3 years ago
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Which image below is an equilateral triangle?
Pie

Answer:

Triangle A

Step-by-step explanation:

An equilateral triangle has equal side lengths.

Hence, the correct option from the given is :

<u><em>Triangle A</em></u><u><em> has three sides each measuring 7 units.</em></u>

3 0
2 years ago
The manufacturer of a certain type of new cell phone battery claims that the average life span of the batteries is 500 charges;
maxonik [38]

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a. 0

b. Yes

c. The manufacturers claim is not plausible

d. 0.3446

e. A sample mean life time of 39.8hr is not unusually short.

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Step-by-step explanation:

Please see attachment

8 0
4 years ago
Please help on this question​
Paul [167]

Answer:

  • 6912xy^8

Step-by-step explanation:

The 9th term is the next-to-last term, where the left term of the binomial is raised to the first power, the right term of the binomial is raised to the 8th power (9-1=8), and the multiplier is 9C8 = 9!/(8!·1!) = 9. This product is ...

  9·(3x)^1·(-2y)^8 = 6912xy^8

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4 years ago
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