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-Dominant- [34]
4 years ago
15

Please help me I will mark you as a best answer

Mathematics
1 answer:
patriot [66]4 years ago
8 0

Answer:

D. $175

Step-by-step explanation:

Nick donated 2/5 of his money to charity, and it says he also spent $70 on charity.

Also, since we don't know the amount of money he has in his bank account, we write it as x. We have the equation:

(2/5)x = 70

The best way to isolate a variable with its coefficient is to multiply both sides with the reciprocal of said coefficient:

(5/2)(2/5)(x) = 70(5/2)

x = 175.

Hope you find this helpful!

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The weights of the chocolate in Hershey Kisses are normally distributed with a mean of 4.5338 g and a standard deviation of 0.10
dusya [7]

The distribution is not a standard normal distribution.

We know that the variable (X) usually obeys and follows a standard normal distribution provided that the summation of (X) is zero and the variance of the random variable V(X) = 1.

Mathematically:

E(X) = 0 and V(X) = 1

Given that;

  • the mean which follows a normal distribution (X) = 4.5338 g, and
  • the standard deviation SD(X) = 0.1039 g

As such, the distribution is not a standard normal distribution.

Therefore, we can conclude that the distribution is not a standard normal distribution.

Learn more about standard normal distribution here:

brainly.com/question/11876263?referrer=searchResults

7 0
3 years ago
Plz help i need this answer to pass
zysi [14]

Answer:

The equation in slope-intercept form of required line is: \mathbf{y=\frac{2}{3}(x)-6}

Step-by-step explanation:

We need to write equation in slope-intercept form to represent the line on the  graph.

The general equation in slope-intercept form is: y=mx+b

Where m is slope and b is y-intercept

Finding slope using formula: Slope=\frac{y_2-y_1}{x_2-x_1}\\

Looking at he graph we have

x_1=3, y_1=-4, x_2=6, y_2=-2

Putting values in formula and finding slope:

Slope=\frac{-2-(-4)}{6-3}\\\\Slope=\frac{-2+4}{3}\\Slope=\frac{2}{3}

So, we get slope m = 2/3

Using slope m=2/3 and point (3,-4) we can find y-intercept

y=mx+b\\\\-4=\frac{2}{3}( 3)+b\\-4=2+b\\b=-4-2\\b=-6

So, y-intercept b = -6

The equation of line having m=2/3 and b=-6 will be:

y=mx+b\\y=\frac{2}{3}(x)-6

The equation in slope-intercept form of required line is: \mathbf{y=\frac{2}{3}(x)-6}

7 0
3 years ago
6% of what amount of money is $9?
SSSSS [86.1K]

Let n represent the number

6/100 × n = 9
0.06 × n = 9
n = 9/0.06
n = 150

6% of $150 is $9
7 0
4 years ago
What is 2(n+5)=-2 showing work
BabaBlast [244]
2(n + 5) = -2

First, our goal to this problem is to get the variable (n) and an unknown number on each side. To start off, we can divide both sides by 2.
n + 5 =  -\frac{2}{2}

Second, we can go ahead and cancel 2 out, which will replace it with a -1.
n + 1 = -1

Third, our next step will to be to subtract 5 from each side.
n = -1 - 5

Fourth, our last step is to simplify -1 - 5. This is quite simple. -1 - 5 = -6, so -6 is what the variable (n) equals. 
n = -6

Answer: \fbox {n = -6}
4 0
3 years ago
Read 2 more answers
50 POINTS!!!!
amid [387]
The answer is 503.39

Hope this helps
3 0
3 years ago
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