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2 years ago

2 3/12 + 3 5/12 i need help with this

Mathematics

2 answers:

Arada [10]2 years ago

6 0

Answer:

5 8/12

Step-by-step explanation:

sleet_krkn [62]2 years ago

3 0

Answer:

5 2/3

Step-by-step explanation:

2 3/12 + 3 5/12

2 + 3 = easy

So the "real" question is what is

3/12 + 5/12

But please consider a pizza, sliced into 12 even parts... One parts is 1/12. The whole pizza has 12/12= 1 pizza.

Think of it like this: You have two pizza boxes. In one pizza box there are 3 pieces left and the other box has 5 pieces. You put all pizza pieces in one box.... it is not a full pizza, anyone can see that...

Combined that is 3 + 5 = 8 pieces out of a total of 12 pizza pieces, which is 8/12.

You can simplify this by dividing the numerator and the denominator by 4, which = 2/3

The final answer is 5 2/3

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I need to know The value of f(1/2)

Lostsunrise [7]

$\huge\boxed{\textsf{a.)}\ 10}$

Substitute $\frac{1}{2}$ for $x$ .

$f\left(\frac{1}{2}\right)=5\cdot4^\frac{1}{2}$

Use $a^\frac{m}{n}=\sqrt[n]{a^m}$ .

$\begin{aligned}f\left(\frac{1}{2}\right)&=5\cdot\sqrt[2]{4^1}\\&=5\cdot\sqrt[2]{4}\\&=5\cdot2\\&=\boxed{10}\end{aligned}$

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1 year ago

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2 years ago

Use the expression 3n + 5p + 2 + n=??

dusya [7]

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3 years ago

Professor wonders whether a student's homework average (X) could be used to predict their final grade in the course (Y) . She ca

Anna11 [10]

Answer:

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H0: $\beta_1 = 0$

H1: $\beta_1 \neq 0$

And if we reject the null hypothesis we can conclude that we have a significant relationship between the two variables analyzed.

Step-by-step explanation:

On this case w ehave the following linear model:

$Y= 21.839 +0.724 X$

Where Y represent the final grade in the course and X the student's homework average. For this linear model the slope is given by $\beta_1 = 0.724$ and the intercept is $\beta_0 = 21.839$

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The dependent variable is the final grade in the course and is the vriable of interest on this case.

Based on the material taught in this course, which of the following is the most appropriate alternative hypothesis to use for resolving this question?

Since we conduct a regression the hypothesis of interest are:

H0: $\beta_1 = 0$

H1: $\beta_1 \neq 0$

And if we reject the null hypothesis we can conclude that we have a significant relationship between the two variables analyzed.

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2 years ago

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klio [65]

Answer:

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Step-by-step explanation:

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2) It is 4 because there is one person over 65. In the second row we ignore the 7 and there are 3 people in the 7 row.

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2 years ago