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SVEN [57.7K]
3 years ago
14

Which of the following system of linear inequalities is represented by the solution graphed below

Mathematics
2 answers:
e-lub [12.9K]3 years ago
8 0

Answer:

C. y≥d2 and y≤x

Step-by-step explanation:

First of all, we have to look at the shaded part of the graph.

The red line is a continuous line which means we also take the number that the line crosses, and the blue line is a dotted line which means the value gets close to the number but it never touches it.

If we write equations for both lines, just to draw the lines not to draw the shaded area, we can see that the equation for the red line would be <em>y=2 </em>and that the equation for the blue line would be <em>y=x.</em>

To write the lines we just have to substitute the values of y that we get, in the first equation we will always get <em>y=2</em> so it will be a horizontal line in 2, and the second line we substitute values of x and they will be the same values for y.

Now we look at the shaded area, first of all the shaded area is over and not under the red line so we can assume that <em>y>2</em>, but because we have a continuous line we know it can also take 2 as a value so it will be y≥ 2 (y is greater or equal to 2).

Now in the blue line, with the equation y=x, the shaded area is under it and not over. This means y<x (y is less than x), and in this case, we have a blue dotted line which means y can´t take values of the blue line, only smaller values.

So we get as an answer:

y≥2 and y<x, and that will be the shaded area.

12345 [234]3 years ago
5 0

Answer:

C

Step-by-step explanation:

The wanted region(shaded part)..is greater or equal to 2 due to the bold line...so hence the first inequality is....y is greater than or equal to 2

And the second solution....is y is less than x because of the continuous broken line...hence it cant be less than or equal to

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A spinner has equal regions numbered 1 through 20. What is the probability that the spinner will stop on an odd number or a mult
klio [65]

Answer:

<em>Probability that the spinner will stop on an odd number or a multiple of 5 is </em><em>0.6</em>

Step-by-step explanation:

Probability = \frac{Required outcomes}{Total possible outcomes}

We are given the equal regions numbered from 1 through 20 which means that our total possible outcomes are 20

<em>Total possible outcomes: 20</em>


<em>Outcomes that spinner will stop on an odd number, n(Odd): 10</em>

1, 3, 5, 7, 9, 11, 13, 15, 17, 19

Probability of spinner stoping on Odd number:

P(Odd) = \frac{n(Odd)}{Total} = \frac{10}{20} = \frac{1}{2} = 0.5


Outcomes that spinner will stop on a multiple of 5, n(5): 4

5, 10, 15, 20

Probability of spinner stoping on multiple of 5:

P(5) = \frac{n(5)}{Total} = \frac{4}{20} = \frac{1}{5} = 0.2

Odd numbers which are a multiple of 5 are: 5 and 15

So,

P(Odd and 5) = \frac{2}{20}=\frac{1}{10}=0.1

Thus Probability of spinner stopping at odd number or a multiple of 5 becomes:

P(Odd or 5) = P(Odd) + P(5) - P(Odd and 5) = 0.5 + 0.2 - 0.1 = 0.6

7 0
3 years ago
All angles below are right angles. What is the area of the figure?
disa [49]
The correct answer is 36
5 0
3 years ago
WHY WOULDNT YOU GUYS HELP ME THIS IS MY 20TH TIME POSTING THIS AND I HAVE 0 ANSWERS IN ALL OF THEM PLSSS PLS HELP QUICK PLSSS :’
marysya [2.9K]

Answer:

I think it is E and C

Step-by-step explanation:

E) y - 6 = -7/4(x+5)

(-5,6)

6-6=-7/4(0)

0=0

(-1,-1)

-1-6=-7/4(-1+5)

-7=-7/4(4)

-7=-7

5 0
3 years ago
A bookkeeper bought 2,000 exercise book distributed 200 books to the student from poor economic background as donation .he sold
Andrews [41]

Books left=2000-200=1800

ATQ

\\ \sf\longmapsto 1800x+10=0.08x

\\ \sf\longmapsto 1800x-0.08x=-10

\\ \sf\longmapsto x(1800-0.08)=-10

\\ \sf\longmapsto x(1799.92)=-10

\\ \sf\longmapsto x=|\dfrac{10}{1799.92}|

\\ \sf\longmapsto x=0.005

Now

\\ \sf\longmapsto CP=0.005(2000)=10

6 0
2 years ago
If x and ​(19x+30​) are the measures of complementary​ angles, what is the measure of each​ angle?
Alisiya [41]

Answer:

3° and 87°

Step-by-step explanation:

<em>here's</em><em> your</em><em> </em><em>solution</em>

<em> </em><em>=</em><em>></em><em> </em> we know that measure of complementary angle is 90°

=>. one angle is. = x

=> other angle is .= (19x + 30)

=> so, x + 19x + 30° = 90°

=> 20x + 30° = 90°

=> 20x = 60°

=> x = 60/20

=> x = 3°

hence one angle is 3° and other is 87°

hope it helps

7 0
3 years ago
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