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Natalija [7]
3 years ago
14

What is the solution to the following equation 40 POINTS!!!! EASY

Mathematics
1 answer:
LiRa [457]3 years ago
5 0

Answer:

<h2>x = -3</h2>

Step-by-step explanation:

2^x=\dfrac{1}{8}\\\\8=2^3\\\text{use}\ a^{-n}=\dfrac{1}{a^n}\\\\2^x=\dfrac{1}{2^3}\\\\2^x=2^{-3}\iff x=-3

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A confectioner bought 15 chocolates for Rs. 1. If he sold all chocolates at 25% profit, how many chocolates were sold for Rs. 1?
shutvik [7]

Answer:

He sold 12 chocolates for 1 Re.

Step-by-step explanation:

He bought 15 chocolates for 1 Rupee

He sold for a profit of 25%

Sale price = profit + cost price

SP= 25%of 1 + 1 Re

SP = 0.25*1+ 1

SP = 1.25 Rs

He sold 15 chocolates fro 1.25 Rs

Chocolates            Rupees

15                            1.25

x                                1

Applying cross product

x*1.25= 15*1

x= 15*1/1.25

x= 12

He sold 12 chocolates for 1 Re.

4 0
3 years ago
Find the degree of the monomial 7x^7 y^3
KengaRu [80]
I believe the answer is 7 but I’m 99% sure ,
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5 0
3 years ago
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What does h(40) = 1700 mean in terms of the poblem?
choli [55]

40 is under the number of training hours and the $1700 is under the pay column.


So for 40 hours of training the person would make $1700.


The answer is D.

6 0
4 years ago
Sean has to face a big problem but he becomes stronger as a result which saying best summarizes the change in Sean?
kkurt [141]

Answer: D. every cloud has a silver lining

The cloud represents a dark, scary, or sad moment. This is in contrast to the sun which metaphorically represents energy and happiness. The cloud sometimes covers up the sun to cover up those happy moments so to speak.

Despite the cloud being present, there's a silver lining to the cloud which represents some positive aspect a person didn't expect to happen. In this case, the problem allows Sean to get stronger. So this is an opportunity for his growth.

7 0
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The events are independent. By definition, it means that knowledge about one event does not help you predict the second, and this is the case: even if you knew that you rolled an even number on the first cube, would you be more or less confident about rolling a six on the second? No.

An example in which two events about rolling cubes are dependent could be something like:

Event A: You roll the first cube

Event B: The second cube returns a higher number than the first one.

In this case, knowledge on event A does change you view on event B (and vice versa): if you know that you rolled a 6 on the first cube you don't want to bet on event B, while if you know that you rolled a 1 on the first cube, you're certain that event B will happen.

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8 0
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