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Lemur [1.5K]
3 years ago
7

Write the compound inequality for the graph shown below:pic

Mathematics
2 answers:
Yanka [14]3 years ago
8 0
The open circle means not equal to and it faces to the left, meaning less than. The solid circle means equal to, and it is pointing to the right, so it means greater than. writing this as a compound inequality would be:

-1 > x _>_ 5

negative one is greater than x, which is greater than or equal to five
romanna [79]3 years ago
4 0

Answer:

x<-1 or x>=5

Step-by-step explanation:

there is an open circle at -1

an open circle means it is not equal to

the line goes to the left which means x is less than

x < -1


there is a closed circle at 5

a closed circle means equal to

the line goes to the right which means x is greater than

x>= 5

the line looks like boat oars

so this is a compound inequality using or

x<-1 or x>=5

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Can you explain how to do 13 please
Zigmanuir [339]
I must confess that I was about to pass this question by, but I was captured by the respectful and dignified way in which you asked for help. 

A careful reading of the problem gives you two equations in two unknowns, which you can then solve as simultaneous equations.  Here's how it looks:

Call 'C' the price of the senior <u>C</u>itizen ticket.
Call 'S' the price of the <u>S</u>tudent ticket.

On the first night . . .    10 C  +  12 S  =  208

On the second night . . .  8C  +  3 S  =  74

Those are your two simultaneous equations. Now the idea is to multiply or divide each side of one equation in such a way that when you add or subtract it from the other equation, one of the variables will become a zero quantity ...  you'll be left with an equation in one variable, which you can easily solve. THEN, knowing the value of one variable, you can put it back into one of the original equations,and find the value of the other variable.

This all sounds more complicated than it is.   Here's how it goes:
We have . . .

10 C  +  12 S  =  208  and
8C  +  3 S  =  74

I'm going to multiply each side of the second equation by  4, and then write it under the first one:

10 C  +  12 S  =  208
32 C  +  12 S  =  296

Now, subtract the lower equation from the upper one, and you get . . .

- 22 C  +  0  =   - 88

Divide each side of this one by  -22  and you have    <em>C = $4.00</em> .

THAT's what you need, to blow the whole problem wide open.  Knowing
the value of 'C', let's substitute it into the equation for the first night:

10 C  +  12 S  =  208

10(4)  +  12 S  =  208

40  +  12 S  =  208

Subtract  40  from each side :    12 S  =  168

Divide each side by  12 :    <em>S  =</em><em>  $ 14.00 </em>.

Finally, as we look over our results, and see that Students have to pay  $14  to see the show but Seniors can get in for only  $4 , we reflect on this ... or at least I do ... and realize that getting old is not necessarily all bad.
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Answer:

D) -0.87

Step-by-step explanation:

I took this test don't quote me on the answer but this is what my peers put.

6 0
3 years ago
Explain whether rounding or compatible numbers gives a closer estimate for the product 48 x 123= 5904.
telo118 [61]
Compatible 50 x 120 = 6000

Rounding 50 x 123 =6150

Compatible numbers is closer estimate
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Step-by-step explanation:

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In the first event, the eighth graders are running a baton relay race with three other classmates. The teams top speed for each
chubhunter [2.5K]

Answer:

The best time is 56.81 seconds

Average leg time is 58.3825 seconds

Step-by-step explanation:

Here, we want to start by stating the team’s best time for the race

The team’s best time for the race is the smallest time spent on a lap

From the times given, the best time is 56.81 seconds

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We simply add up all these and divide by count

Mathematically, that will be;

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