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Elenna [48]
3 years ago
12

The blue and orange lines represent a system. Use thesliders to manipulate the orange line to determinewhich guations would crea

te a system that has no solution. Check all that apply Hint: Convert to slope-intercept form2x+y=-5y-3=2xx+y=-2-2x=y2x=4-y​
Mathematics
1 answer:
VLD [36.1K]3 years ago
7 0

Answer:

<em>2x + y = -5 </em>

<em> </em>

<em>-2x = y </em>

<em> </em>

<em>2x = 4 -y</em>

Step-by-step explanation:

Use form y = mx + b, and from the lines you will find the following answers equations that have no solution.

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Your auto insurance is $900 per quarter. What should you use as the monthly average? The auto insurance is a fixed expense, but
Airida [17]

Answer:

$225

Step-by-step explanation:

A quarter is made up of 4 months,

If auto insurance is $900 per quarter, the monthly expense would be $900 / 4 = $225

4 0
3 years ago
An instructor who taught two sections of engineering probability last term, the first with 20 students and thesecond with 30, de
Oliga [24]

Answer:

0.207

Step-by-step explanation:

This is an hypergeometric distribution problem

An hypergeometric distribution has the same sense as the discrete probabilities of binomial distribution, but unlike binomial distribution, hypergeometric distribution does not allow replacement.

Binomial distribution expresses the probability of picking k objects from n with replacement, but hypergeometric distribution expresses picking k objects from n without replacement, with the finite total population, N, containing K objects.

It is expressed mathematically as

h(k: n, K, N) = (ᴷCₖ)(ᴺ⁻ᴷCₙ₋ₖ)/(ᴺCₙ)

where

k = number of students in the 2nd section required to be in the first 15 graded projects (number of successes) = 10

n = total number of first graded projects (number of trials) = 15

K = number of students in the 2nd section of the class = 30

N = total number of students = 50

h(10: 15, 30, 50) = (³⁰C₁₀)(⁵⁰⁻³⁰C₁₅₋₁₀)/(⁵⁰C₁₅)

h(10: 15, 30, 50) = (³⁰C₁₀)(²⁰C₅)/(⁵⁰C₁₅)

= (30,045,015)(15,504)/(2,250,829,575,120)

P(X = 10) = 0.207

Hope this Helps!!!

7 0
2 years ago
Point A is located at (-2, 2), and point M is located at (1,0). If point M is the midpoint of AB, find the location of point B.
bezimeni [28]

Answer:

B. B = (4,-2)

Step-by-step explanation:

GIven that A = (-2, 2) and M = (1, 0), and that point M is the midpoint of AB, the midpoint can be determined as a vectorial sum of A and B. That is:

M = \frac{1}{2}\cdot A + \frac{1}{2}\cdot B

The location of B is now determined after algebraic handling:

\frac{1}{2}\cdot B = M - \frac{1}{2}\cdot A

B = 2\cdot M -A

Then:

B = 2\cdot (1,0)-(-2,2)

B = (2\cdot 1, 2\cdot 0)-(-2,2)

B = (2,0) -(-2,2)

B = (4,-2)

Which corresponds to option B.

5 0
2 years ago
Zoe and Hannah share tips in the ratio 3:7. Last week, Zoe received £24
defon
£24 / 3 = <span>£8

</span>£8 x 7 = £56

if Zoe received £24 then <span>Hannah received £56</span>
3 0
3 years ago
members of students council set up 96 chairs for a school meeting. they placed the chairs in rows,with an equal number of chairs
Sauron [17]

Answer:

6

Step-by-step explanation:

96÷5=19.2

<u>96÷6=16</u>

96÷10=9.6

96÷14=6.857142~

6 0
2 years ago
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