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kap26 [50]
3 years ago
5

How do you know when to use the less than symbol and when to use the less than or equal to symbol when writing an inequality for

a situation? ​
Mathematics
1 answer:
xenn [34]3 years ago
5 0

Answer:

This depends on the situation. For context, you use less than when your inequality CANNOT exceed more than.

You would use less than or equal to if your inequality can be equal to a number. Here's an example.

John needs to buy X oranges and Y apples. He can AT MOST buy 10 total fruits.

x + y (equal to or less than) 45

John needs to buy X oranges and Y apples. He CANNOT buy more than 10 total fruits.

x + y < 45

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If cos θ=(-5/13) and sin θ &lt; 0, what is tan θ ? A. (12/5) B.(13/5) C. (-12/5) D.(√194/5)
mihalych1998 [28]
If cos θ = (-5/13), then θ  should be in quadrant II or III. The given says  sin θ < 0, so  θ  should be in quadrant III. In this case, tan <span>θ should be equal to  number greater than zero. Hence we get sqrt of (13^2 - 5^2 ) equal to 12. tan </span><span> θ should be equal to A 12/5. </span>
5 0
3 years ago
The ratio of the weight of a book to the weight of a mug is 7:5. What fraction of the total weight of the book and mug is the we
sergeinik [125]

Answer:

  7/12

Step-by-step explanation:

You can pretend the given ratio units are the actual weights. Then the desired ratio is ...

  book : mug = 7 : 5

  book : (book +mug) = 7 : (7 +5) = 7 : 12

The weight of the book is 7/12 of the total weight.

7 0
3 years ago
What is 7/8 x 7/8 plz help meh
Lapatulllka [165]
7/8 = 0.875
0.875 x 0.875 = 0.765625
5 0
3 years ago
Read 2 more answers
Two systems of equations are shown below: System A System B 2x + y = 5 −10x + 19y = −1 −4x + 6y = −2 −4x + 6y = −2 Which of the
Nezavi [6.7K]

Answer:

They will have the same solution because the first equation of System B is obtained by adding the first equation of System A to 3 times the second equation of System A.

Step-by-step explanation:

System A

2x + y = 5 --> (1)

−4x + 6y = −2 --> (2)

(1) + 3×(2)

-10x + 19y = -1

System B

−10x + 19y = −1 --> (1)

-4x + 6y = −2 --> (2)

3 0
3 years ago
A hyena runs 2 kilometers for every 25 kilometer a mouse runs. Select from the drop-down menu to correctly complete the statemen
xxMikexx [17]

Given that a hyena runs 2 kilometers for every 25 kilometer a mouse runs.

Now we need to select from the drop-down menu to correctly complete the statement. Where given statement is "The hyena runs kilometers for every kilometer the mouse runs."

"every kilometer" indicates we need to find number of kilometers for hyena when mouse runs 1 kilometer.

To find that we will divide number of kilometers of hyena by number of kilometers of mouse that is divide 2 by 25.

2/25=0.08

Hence final answer will be :

"The hyena runs 0.08  kilometers for every kilometer the mouse runs."

6 0
3 years ago
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