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nordsb [41]
3 years ago
15

Please help me with these three ​

Mathematics
1 answer:
anyanavicka [17]3 years ago
8 0
13) parallel because they have a same gradient of 4

14) neither because the gradients multiply together to only get 1

15) perpendicular because the gradients multiply together to get -1
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21 Answer:

\frac{3}{a}

22 Answer:

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23 Answer:

\frac{ {4a}^{2}c^{3}  }{ {b}^{2} }

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3 years ago
What is the difference between 23x and 9x
morpeh [17]
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4 years ago
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willhelmina has 8.3 ounces of peanut butter if she makes 5 sandwiches with an equal amount of peanut butter on each how much pea
nadezda [96]

Answer:

Wilhelmina will put 1.66 ounces of peanut butter on each sandwich.

Step-by-step explanation:

Given:

Ounces of peanut butter Wilhelmina has = 8.3

Number of sandwiches prepared by her = 5

According to the question:

She puts equal amount of peanut butter on each sandwiches.

So,

We have to find the quantity of peanut butter used for each sandwiches.

Here the distribution is equal so we have to use division method.

Let ounces of peanut butter applied on each sandwich be 'x'

⇒ x= \frac{Ounces\ of\  peanut\ butter}{No.\ of\ sandwiches}

⇒ x=\frac{8.3}{5}

⇒ x =1.66 Ounces

So each sandwich will get 1.66 ounces of peanut butter.

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4 years ago
Solve m = 10x - x for x
Fudgin [204]

Answer:

X = M/9

Step-by-step explanation:

3 0
3 years ago
You decide to play roulette 200 times each time betting the same amount on red. you will loe money if you win on fewer than 100
Arturiano [62]
First off, your chances of red are not really 50-50. You are overlooking the 0 slot or the 00 slot which are green. So, chances of red are 18 in 37 (0 slot) or 38 (0 and 00 slots). With a betting machine, the odds does not change no trouble what has occurred before. Think through the simplest circumstance, a coin toss. If I toss heads 10 times one after the other, the chances of tails about to happen on the next toss are still on a 50-50. A betting machine has no ability, no plan, and no past. 
Chances (0 slot) that you success on red are 18 out of 37 (18 red slots), but likelihoods of losing are 19 out of 37 (18 black plus 0). For the wheel with both a 0 and 0-0 slot, the odds are poorer. You chances of red are 18 out of 38 (18 red slots win), and down are 20 out of 38 (18 black plus 0 and 00). It does not really matter on how long you play there, the probabilities would always continue the same on every spin. The lengthier you play, the more thoroughly you will tie the chances with a total net loss of that portion of a percent in accord of the house. 18 winning red slots and either 19 or 20 losing slots. 
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4 years ago
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