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Viefleur [7K]
3 years ago
15

Would someone please be able to answer this for me?

Mathematics
1 answer:
kobusy [5.1K]3 years ago
7 0

//Question number 1//

When graphing an inequality there are certain things to keep in mind that make it different from an equation of a line.

Here are some of them:

*You must look out to see whether it will be dashed or solid

*You must know which side of the graph to shade it in

*If they are not in standard form, you have to change them into standard form (THIS ONE MIGHT ACTUALLY APPLY TO A REGULAR EQUATION)

----Basically, the main difference is that in a "normal equation" you have an equal sign while in an inequality you have inequality signs (≤, ≥, <, >)----

//Question Number 2//

------ When using ≤ or ≥ (where they have half the equal sign at the bottom) the line for the inequality would be solid

------ When using < or > (where there is no equal sign- just the inequality sign) the line for the inequality would be dashed

------------------BY THE WAY, I INCLUDED AN ILLUSTRATIO OF AN INEQUALITY GRAPH TO GO ALONG WITH THE 3RD QUESTION----------------




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You travel 80 km in the first 1.00 hour of a trip, 50 km in the next 0.50 hours, and 40 km in the final 0.25 hours. Calculate yo
olchik [2.2K]

The average speed is the ratio between the distance covered, and the time elapsed to cover that distance.

The total distance is the sum of the three distances covered:

d = 80km+50km+40km = 170km

Similarly, the total time elapsed is

1h + 0.5h + 0.25h = 1.75h

So, althought you didn't always travelled with the same speed, you globally covered 170km in 1.75 hours. This leads to an average speed of

\dfrac{170\text{km}}{1.75\text{h}} \approx 97.14 \dfrac{\text{km}}{\text{h}}

4 0
3 years ago
How do you graph f(x)=-2+3
lidiya [134]

Answer:

sup

Step-by-step explanation:

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4 0
2 years ago
–3(5y – 4) ≥ 17 Solve and graph on a number line thanks
likoan [24]

Answer:

y\leq 1.93

Step-by-step explanation:

  • To know the value that y takes according to the inequation -3(5y-4)\geq 17, we must do some algebra.
  • First of all, we divide both terms by (-3), wich would change the direction of the inequality, as follow: (5y-4)\leq\frac{17}{(-3)} (at this point you should remember that dividing or multiplying an inequation by anegative number changes the direction of the inequality)..
  • This means that (5y-4)\leq 5.67. Then,we just have to add both sides 4, which yields 5y\leq 5.67+4.
  • Then 5y\leq 9.67, which means that, if we divide both sides by 5, we obtain the value of y: y\leq 1.93 (in this case, the direction of inequality does not change because 5 is possitive).

4 0
3 years ago
Please write a reason for each step in solving the equation.
trapecia [35]
2. Associative property
3. is distributive property
4. Commutative property
5. Commutative property<span />

8 0
3 years ago
Need help finding the value of O. Please help..
Kruka [31]

Answer:

O=30° or O=29°

Step By Step Explanation:

∠α =arcsin( a/c )

= arcsin(4/8)

= arcsin(0.5)

= 0.5 rad = 30° = 29°

I Hope This Helps. I Gave you 2 answers just in case 1 is Wrong. And I Hope you Understand This Calculation, I Used Different Variables and the arcsin thing is something my teacher told my class to use, and I Have no Idea what it means because my teacher never explained what it meant, Sadly.

7 0
2 years ago
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