3 years ago

1/2 + (-3/4)= i need help /:

1 answer:

5 0

Start by converting to like terms, so convert 1/2 to 2/4.

Next, look at the problem. You are adding a negative, which is the same as subtracting, so your new problem looks like this: 2/4 - 3/4.

If you take 3/4 from 2/4, you are left with -1/4. This is your final answer!

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Elena L [17]

Answer:

If they are parallel then the answer should be 28m

Step-by-step explanation:

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3 years ago

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Evaluate the following expression when x = 3 and y = 4:

OLEGan [10]

$\dfrac{ {3}^{2} + {4}^{3} }{2 + 3} \\ = \dfrac{9 + 64}{5} \\ = \dfrac{73}{5} \\ = 14.6$

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3 years ago

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Suppose x=18,y=24, and z=30 in the figure, which is not drawn to scale. Determine the following values. Enter exact answers (as

sammy [17]

Answer:

See explanation

Step-by-step explanation:

cos(θ)= 18/30 = 3/5

sin(θ)= 24/30 = 4/5

tan(θ)= 24/18 = 4/3

cos(ϕ)= 24/30 = 4/5

sin(ϕ)= 18/30 = 3/5

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3 0

3 years ago

Can somebody help me with this question, please? I have no idea how to do this or find the answer. :/ How many ways are there to

san4es73 [151]

Answer:

28 different ways

Step-by-step explanation:

This is a combination question. Combination has to do with selection.

Total number of element in the set = 8

Number divisible by 6 or 8 are {-98, -48, -42, -36, -18, -6}

Total number divisible by 6 or 8 is 6

The number of ways we can choose 6 items from 8 is expressed as;

8C6 = 8!/(8-6)!6!

8C6 = 8!/(2)!6!

8C6 = 8*7*6!/2!6!

8C6 = 8*7/2

8C6 = 56/2

8C6 = 28 ways

Hence there are 28 different ways

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3 years ago

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grandymaker [24]

Answer:

x=18

Step-by-step explanation:

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2 years ago