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Anni [7]
3 years ago
13

Simplify the expression below. Show all steps. √4x^2 ÷ 3y

Mathematics
1 answer:
Delvig [45]3 years ago
4 0

Answer:

4x÷3y

Step-by-step explanation:

√4x^2 ÷ 3y

√16x÷3y

4x÷3y

Hoped it helped :)

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Susan bought 12 ounces of candy. How many pounds did she buy?<br> Show the proportions needed
DedPeter [7]

Answer:

If Susan bought 12 ounces that would equal to .75 pounds

Step-by-step explanation:

4 0
2 years ago
5x+y=0 use the intercepts to graph the equation
IRINA_888 [86]
Y-intercept:  Let x = 0.  Result: 5x=0, and x= 0.  y-intercept is (0,0).
Similarly, x-int. is (0,0) (after going thru the same procedure:  set y=0 and find x)

6 0
3 years ago
According to a survey, high school girls average 100 text messages daily (The Boston Globe, April 21, 2010). Assume the populati
Ghella [55]

Answer:

Step-by-step explanation:

Hello!

The variable of interest is:

X: number of daily text messages a high school girl sends.

This variable has a population standard deviation of 20 text messages.

A sample of 50 high school girls is taken.

The is no information about the variable distribution, but since the sample is large enough, n ≥ 30, you can apply the Central Limit Theorem and approximate the distribution of the sample mean to normal:

X[bar]≈N(μ;δ²/n)

This way you can use an approximation of the standard normal to calculate the asked probabilities of the sample mean of daily text messages of high school girls:

Z=(X[bar]-μ)/(δ/√n)≈ N(0;1)

a.

P(X[bar]<95) = P(Z<(95-100)/(20/√50))= P(Z<-1.77)= 0.03836

b.

P(95≤X[bar]≤105)= P(X[bar]≤105)-P(X[bar]≤95)

P(Z≤(105-100)/(20/√50))-P(Z≤(95-100)/(20/√50))= P(Z≤1.77)-P(Z≤-1.77)= 0.96164-0.03836= 0.92328

I hope you have a SUPER day!

3 0
2 years ago
Convert 2/800 as a decimal using an equivalent fraction
grin007 [14]

Answer:

The answer I got was 0.003

8 0
3 years ago
What is the volume of a rectangular prism with a length of 5 cm, width of 4cm, and height of
Zepler [3.9K]

Answer:

180cm^3

Step-by-step explanation:

All you have to do is multiply everything together to get the volume. l x w x h

5 0
2 years ago
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