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Paraphin [41]
2 years ago
9

4 friends evenly divided up an n-slice pizza. One friend, Harris, ate 1 fewer slice then he received

Mathematics
2 answers:
Elina [12.6K]2 years ago
8 0

Answer:

n/4-1

da first one was wrong

salantis [7]2 years ago
3 0

Harrison ate n=4/4  slices of pizza.

Explanation

4 friends evenly divided up a -slice pizza.

So, the number of slices each friend received

Now, Harrison ate 1 fewer slice than he received. As he received  slices, so 1 fewer than   means......

Thus, Harrison ate n=4/4   slices of pizza.

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I really need help on my geometry homework!!!!! PLEASE HELP ME!!!!
otez555 [7]

the 10th questions answer is aaa congruence

3 0
3 years ago
The table shows the number of students in a school who like rap and/or hip-hop: Like Rap Do Not Like Rap Total Like Hip-Hop 35 8
Brums [2.3K]

Answer:

35 like rap 25 dont like rap

Step-by-step explanation:

7 0
2 years ago
Can someone please explain why 33 and 35 are these answers?
nordsb [41]
For #32,
P=2L+2W
Subtract 2W from both sides, and swap left and right
2L = P-2W
Divide by 2
2L/2=(P-2W)/2
L = P/2 - 2W/2
L=P/2 - W

For #35
Most of the expenses are in fractions (of the original amount, A), so they can be added:
A/4 + A/5 + 2A/5 + 750  = A
add the fractions, with a common denominator of 20,
5A/20 + 4A/20 + 8A/20 +750  = A
(5A+4A+8A)/20 +750 = A
17A/20 + 750 = A

Now subtract 17A/20 from both sides and swap left and right
A - 17A/20 = 750
(3/20)A = 750

Multiply both sides by 20/3  (to make one unit of A on the left)

(3/20)*(20/3) A = 750*20/3
A =250*20=5000

7 0
3 years ago
The 8th term of 3, 3/2, 3/4
Goryan [66]

Answer:

3/12

Step-by-step explanation:

7 0
3 years ago
A certain insecticide kills 60% of all insects in laboratory experiments. A sample of 12 insects is exposed to the insecticide i
Vilka [71]

Answer:

The probability that exactly 10 insects will die

                     P( X = 10 ) = 0.06385        

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given a certain insecticide kills 60% of all insects in laboratory experiments

Given proportion  p = 0.60

                           q = 1 - 0.60 = 0.40

Given sample size 'n' = 12

<u><em>Step(ii):</em></u>-

Let "X' be the random variable of binomial distribution

                              P(X=r) = n_{C_{r} } p^{r} q^{n-r}

The probability that exactly 10 insects will die

                              P(X=10) = 12_{C_{10} } (0.60)^{10} (0.40)^{12-10}

                           

                          n_{C_{r} } = \frac{n!}{(n-r)!r!} = \frac{12!}{(12-10)!10!} = 66

                          P(X=10) = 66 X (0.60)^{10} (0.40)^{2} = 0.06385

<u><em>Final answer:</em></u>-

The probability that exactly 10 insects will die

                     P( X = 10 ) = 0.06385        

4 0
2 years ago
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