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lilavasa [31]
3 years ago
9

There are going to be presentations at a school. If 30 people can fit in a room, how many rooms are necessary if there area tota

l of 40 people going to the presentations?
Mathematics
1 answer:
DanielleElmas [232]3 years ago
7 0
Hello again lol. I would think it would be two rooms don’t count me on this one but I think it is two
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Help me please due TODAY
Ann [662]

Answer:

The answer is 3

Step-by-step explanation:

7.5 m

---------

  5

7.5(2)=15

-------------

       5

15

---    =3

5

7 0
3 years ago
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Triangle PQR where P(1,4), Q(-3,-4),R(7,k) is right-angled at Q. find the value of k
NikAS [45]

Answer:

k = -9.

Step-by-step explanation:

As the triangle is right-angled at Q, by Pythagoras:

PR^2 = PQ^2 + RQ^2

So, substituting the given data and using the distance formula between 2 points:

(7 - 1)^2 + (k - 4)^2 =  (-4-4)^2 + (-3-1)^2 + (7 - (-3))^2 + (k - (-4))^2

36 + (k - 4)^2 = 64 + 16 + 100 + ( k + 4)^2

(k - 4)^2 - (k + 4)^2 = 180 - 36

k^2 - 8k + 16 - (k^2 + 8k + 16) = 144

-16k = 144

k = -9.

8 0
3 years ago
Read 2 more answers
What can you say about the end behavior of the function f(x)=-4^6+6x^2-52 ????
frosja888 [35]
Letter C is correct.
When the function is even, (all powers are even) both ends will go in the same direction.
In this case since the leading coefficient is negative, both ends will go down.
3 0
3 years ago
Joy bought 2 bath towels from a linen store, but returned 3 hand towels. Kay bought 3 bath towels and 3 hand towels. Joy's bill
nevsk [136]

Answer:

Bath towels: $10 Hand towels: $5

Step-by-step explanation:

If Joy bought two bath towels, that are $10 each that's $20 total; but she returned 3 hand towels that cost $5 and $15 total. 20-15=5

3 0
3 years ago
Is 26 divisible by 2
sergij07 [2.7K]
Yes because 26 is an even number
3 0
3 years ago
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