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natali 33 [55]
2 years ago
11

M is directly proportional to r³ when r=4, m=160.work out the value of r when m=20

Mathematics
1 answer:
11Alexandr11 [23.1K]2 years ago
7 0
Die haben sich auch schon in den nächsten Jahren und in den letzten Wochen nicht so viel 5=5
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A survey revealed that 60% of people are entertained by reading books, 50% are entertained by watching TV, and 20% are entertain
Rainbow [258]

Question seem incorrect because 60%,50% and 20% sum up to more than a 100% therefore we've made a little correction

Answer:

0.8

Step-by-step explanation:

Probability = number of favorable outcomes/number of outcomes

Given that 30% are entertained by reading books

50% are entertained by watching TV

20% are entertained by reading books and watching TV

The probability that a person will be entertained by books or TV =

30/100+50/100= 3/10+5/10

=8/10

=0.8

4 0
2 years ago
Find the minimum value of the function f(x) = 2x2 – 17.3x + 32 to the nearest<br> hundredth.
Klio2033 [76]

Answer:

5600.014

= 5000 + 600 + 0.010 + 0.004

i am a mathematics teacher. if anything to ask please pm me

Step-by-step explanation:

5 0
2 years ago
Can some one do this for me
Mama L [17]

Answer:

1)13(left)

2)52(right)

3)48

4)51.923

Step-by-step explanation:

a^2+b^2=C^2

3 0
3 years ago
Read 2 more answers
Jean needs 1 third cup of walnuts for each serving of salad she makes she has 2 cups of walnuts how many serving can she make
olchik [2.2K]

In 1/3 cup of walnuts, she makes 1 serving of salad

Therefore, In 1 cup of walnuts, she makes 3 servings of sald.

And hence in 2 cups of walnuts, she makes 2*3 = 6 serving of salad.

So the answer of the given question is , if she has 2 cups of walnus, then she makes 6 serving of salad .

4 0
3 years ago
If JM = 5x – 8 and LM = 2x – 6, which expression represents JL?
muminat

Answer:

The expression represents JL is<u> 3x - 2</u>.

Step-by-step explanation:

Given:

JM = 5x – 8 and LM = 2x – 6.

Now, to find expression represents JL.

JM = JL + LM

<em>Subtracting both sides by LM we get:</em>

JM - LM = JL.

JL = JM - LM

Now, putting the expression to get JL:

JL=5x-8-(2x-6)

JL=5x-8-2x+6

JL=3x-2.

Therefore, the expression represents JL is 3x - 2.

8 0
3 years ago
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