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Wewaii [24]
3 years ago
11

Henry would receive $8 per hour, His total earnings amount was $1,920. How many hours did henry work for?

Mathematics
1 answer:
enot [183]3 years ago
6 0

Answer: 240

Step-by-step explanation: 1920/8

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Help me pleasee (10 points)
Montano1993 [528]

Answer:

B

Step-by-step explanation:

Givens

a^2 + b^2 = c^2

a = 4x

b = x + 2

c = 3x + 4

Solution

(4x)^2 + (x + 2)^2 = (3x + 4)^3                  Remove all the brackets.

16x^2 + x^2 + 4x + 4 = 9x^2 + 24x + 16  Collect like terms on the left

17x^2 + 4x + 4 = 9x^2 + 24x + 16            Subtract the terms on the right

8x^2 - 20x - 12 = 0

This factors into

(4x - 12)(2x + 1)

There are 2 answers

4x - 12 = 0

4x = 12

x = 12/4

x = 3

or

2x + 1 = 0

2x = - 1

x = - 1/2

You have to look at x = -1/2 carefully. The problem is that 4x = 4*(-1/2) = - 2 which is not possible in Euclidean Geometry.

So the only answer is x = 3

4 0
2 years ago
Anyone can help me? please
postnew [5]
If it has a line on top of the last number then it is considered repeating.

therefore, the first two are repeating and the last two are non-repeating.

Hope that helps!
4 0
3 years ago
At a rat of 64 kilometers per hour, how far will a car travel in 7 1/2 hours?_______
Snowcat [4.5K]

We use the formula d = s*t where d is distance, s is speed and t is time.

d = 64km*7.5

d = 480km

Therefore, a car would tracel 480 km.

5 0
3 years ago
Read 2 more answers
Write the expression as the sine, cosine, or tangent of an angle. sin 5x cos x - cos 5x sin x
mrs_skeptik [129]

Answer:

sin 5x cos x - cos 5x sin x = sin(4x)

Step-by-step explanation:

Given that the trigonometric expression,

sin 5x cos x - cos 5x sin x

Here we use the "sum and difference formulas"

Sum and Difference Formulas

sin(A+B)=sin A cos B + cos A sin B

sin(A-B)=sin A cos B - cos A sin B

cos(A+B)=cos A cos B - sin A sin B

cos(A-B)=cos A cos B + sin A sin B

So,

sin 5x cos x - cos 5x sin x = sin (5x - x)

sin 5x cos x - cos 5x sin x =  sin(4x)

That's the final answer.

6 0
3 years ago
Which of the following equations has a slope of 4 and passes through point (2, 5)?
LuckyWell [14K]
Answer: y = 4x - 3
Explanation: 5 = 4x2 - 3
5 0
2 years ago
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