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3 years ago

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A variable that takes on the values of 0 or 1 and is used to incorporate the effect of qualitative variables in a regression mod

el is called

1 answer:

Stella [2.4K]3 years ago

5 0

It is called the conjunction, tha'ts what its called.

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Ms. Leverenz is doing an art project with her class. She has a 3 foot piece of ribbon. If she gives each student an eighth of a

vesna_86 [32]

Yes, she will.

<h3>Further explanation</h3>

<u>Given:</u>

Ms. Leverenz is doing an art project with her class.

She has a 3-foot piece of ribbon.
She gives each student an eighth of a foot of ribbon.

<u>Question:</u>

Will she have enough for her class of 22 students?

<u>The Process:</u>

$\boxed{ \ An \ eighth \ is \ \frac{1}{8} \ or \ equal \ to \ \frac{1 \times 125}{8 \times 125} = \frac{125}{1,000} = 0.125 \ }$

Let us draw a diagram that connects between she gives each student an eighth of a foot of ribbon with 22 students in her class.

$\boxed{ \ \frac{1}{8} \ }\boxed{ \ \frac{1}{8} \ }\boxed{ \ \frac{1}{8} \ } \cdot \cdot \cdot \cdot \boxed{ \ \frac{1}{8} \ }\boxed{ \ \frac{1}{8} \ } \\\boxed{1^{st}} \boxed{2^{nd}} \boxed{3^{rd}} \cdot \cdot \cdot \cdot \boxed{21^{st}}\boxed{22^{nd}} \ student$

From the diagram above, let us calculate how long (in ft) the ribbon she has given to 22 students.

$\boxed{ \ \frac{1}{8} \times 22 = ? \ }$

$\boxed{ \ = \frac{22}{8} \ }$

$\boxed{ \ = \frac{16}{8} + \frac{7}{8} \ }$

$\boxed{ \ = 2 + \frac{7}{8} \ }$

$\boxed{\boxed{ \ = 2\frac{7}{8} \ }}$

Therefore, there are $2\frac{7}{8}$ -foot piece of ribbon that she has given.

Ms. Leverenz has a 3-foot piece of ribbon.

$\boxed{ \ 2\frac{7}{8} < 3 \ }$

Thus, because the total number of pieces of ribbon given is smaller than the initial length, she will have enough for her class of 22 students

<h3>Learn more</h3>

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Keywords: Ms. Leverenz is doing, an art project, with her class, a 3-foot piece of ribbon, she gives, each student, an eighth, will, have enough, for, her class, 22 students, diagram, smaller than

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3 years ago

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Jenny has $400 in an account with an annual interest rate of 6% compounded annually. if jenny makes no deposits or withdrawals,

andrew11 [14]

The formula for this problem is A=P(1+(r/n))^nt.
A is what you're trying to find. P=400 r=0.06 t=3 n=1, since it's compounded once per year.

Now plug in those values to get A=400(1+(0.06/1))^1*3
I get an answer of $476.41

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3 years ago

For what values of m does the graph of y = 3x2 + 7x + m have two x-intercepts

Irina18 [472]

we are given

$y=3x^2+7x+m$

To find x-intercept means we have to find zeros

and for finding zeros , we will use quadratic formula

and we have it has two x-intercepts

so, it's discriminant must be greater than 0

so, we will find discriminant

$D=\sqrt{b^2-4ac}$

now, we can compare with

$y=ax^2+bx+c$

$y=3x^2+7x+m$

and then we can find a , b and c

$a=3,b=7,c=m$

now, we can find D

$D=\sqrt{7^2-4*3*m}$

$D=\sqrt{49-12m}$

It has two x-intercepts

so,

$D=\sqrt{49-12m}>0$

now, we can solve for m

$49-12m>0$

$12m$

$m$ ............Answer

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3 years ago

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What angle corresponds with angle A?

jolli1 [7]

The angle that corresponds with angle A will be P on the other triangle. Both angle A and P are 68 degrees.

And if you look at the sides of the triangle there is a similarity, proving the sides to be similar to each other.

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3 years ago

What is the solution set of the given system?

AVprozaik [17]

What is the system? (Is there supposed to be an image?)

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3 years ago