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3 years ago

40 POINTS PLEASE HURRY! Which table shows a set of ordered pairs that satisfies the equation shown?

Mathematics

2 answers:

salantis [7]3 years ago

7 0

Answer:

Step-by-step explanation:

The answer is B, if we were to plug all the values of x with its corresponding value of y into the equation, everything matches up

Hope that helps

Reptile [31]3 years ago

7 0

I believe The answer is B

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How many terms are in this expression?<br> 8+6k+10n

galina1969 [7]

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3 years ago

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What is the answer for Two step equations 5n+3=18

ryzh [129]

Answer: n=3

Step-by-step explanation: 5n+3=18

18-3=15

15/5=3

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3 years ago

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6 students share 5 small pizza needs to be share equally

dusya [7]

   5 pizza / 6 student = 'Z' pizza / 1 student

Cross-multiply the proportion:

   5 pizza-student = 6 Z pizza-student

Divide each side of the equation by 6 pizza-student :

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4 years ago

The length of a shadow of a tree is 150 feet when the angle of elevation of the sun is 39°. Approximate the height of the tree.

fomenos

Answer:

The height of tree is approximately 121.5 feet.

Step-by-step explanation:

We are given following in question:

Length of shadow = 150 feet

Angle of elevation of the sun =

$\theta = 39^\circ$

The tree and the shadow forms a right angled triangle.

Thus, with the help of trigonometric relation, we can write:

$\tan \theta = \dfrac{\text{Height of tree}}{\text{Length of shadow}}$

Let x feet be the height of tree.

Putting all the values, we get,

$\tan 39^\circ = \dfrac{x}{150}\\\\0.80978 = \dfrac{x}{150}\\\\\Rightarrow x = 150\times 0.80978\\\Rightarrow x = 121.467 \approx 121.5$

Thus, the height of tree is approximately 121.5 feet.

6 0

4 years ago

For the function g defined by g(x)=70−3x find g(−x),−g(x), and −g(−x).

nirvana33 [79]

Answer:

g(-x) = 70 +3x
-g(x) = -70 +3x
-g(-x) = -70 -3x

Step-by-step explanation:

Put the minus signs where the problem statement tells you. As with any function, the argument replaces the variable in the function definition. That is, for g(-x), you put (-x) where x is in the definition of the function.

g(-x) = 70 -3(-x) = 70 +3x

-g(x) = -(70 -3x) = -70 +3x

-g(-x) = -(70 -3(-x)) = -70 -3x

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3 years ago