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ANTONII [103]
2 years ago
6

1/5 of the students at Kendall Middle School are in 6th grade. 3/7 of the students at Kendall Middle School are in 8th grade. Wh

at fraction of students are in 7th grade? Show your work.
Mathematics
1 answer:
ELEN [110]2 years ago
4 0
13/35 because you have to find the common denominator which would be 35 and in order to get 7 to 35 you have to multiply the whole thing by 5 making the fraction equal 15/35 and you have to multiply the other fraction by 7 making it 7/35 add the two together which would equal 22/35 so to make that 35/35 it would have to be 13/35 
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given a polynomial and one of its factors, find the remaining factors of the polynomial. some factors may not be binomials. use
Alenkinab [10]
This is easy to do because you can factor
example
6/2=3 because 6=2*3 so 6/2=3/1 times 2/2 or 3

2x^3+17x^2+23x-42 can be factored out to equal
(x-1)(x+6)(2x+7)

so [(x-1)(x+6)(2x+7)]/(2x+7)=[(x-1)(x+6)] times (2x+7)/(2x+7)=(x-1)(x+6)=x^2+5x-6

the answer is (x-1)(x+6) or x^2+5x-6
3 0
3 years ago
Read 2 more answers
Solve the x. 1/2(x-2)=5
9966 [12]
1/2(x-2)=5
x-2=10
x=12
3 0
3 years ago
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Pls help me I will give the first answer brainlyist and thanks NO LINKS OR NO BRAINLYIST
TiliK225 [7]

Answer:

C f(4)

Step-by-step explanation:

the answer is C f(4)

1/2*4=2

2+8=10

f(4)=10

5 0
3 years ago
Read 2 more answers
A large operator of timeshare complexes requires anyone interested in making a purchase to first visit the site of interest. His
Mkey [24]

Answer:

<em>0.143.</em>

Step-by-step explanation:

The first step to take in answering this question is to take or determine the probability in each cases, multiply and sum them up. Therefore, let us delve right into the solution of this problem;

[a]. Historical data indicates that 20% of all potential purchasers select a day visit. Thus, the probability that potential purchasers selects a day visit = 0.20.

[b]. Historical data indicates that 50% choose a one-night visit.  Thus, the probability that potential purchasers selects a one-night visit= 0.50.

[c]. Historical data indicates that 30% of all potential purchasers opt for a two-night visit. Thus, the probability that potential purchasers  opt for a two-night visit = 0.30.

[d].Historical data indicates that 10% of day visitors ultimately make a purchase. Thus, the probability that a day visitors ultimately make a purchase = 0.1.

[e]. The probability for  40% of one-night visitors buy a unit =0.4

[f]. The probability for  40% of two nights decide to buy =0.4.

<u>STEP ONE: </u> Determine the probability that the visitor makes a purchase.

The probability that the visitor makes a purchase = [a] × [d] + [b] × [e] + [c] × [f]. = 0.2 × 0.1 + 0.5 × 0.4 + 0.3 × 0.4 = 0.02 + 0.02 + 0.12 = 0.14.

<u>STEP TWO:</u> Determine How likely is it that this person made a day visit.

0.2 × 0.1/ 0.14 = 0.1428571428571429

5 0
3 years ago
(Will give Brainliest &amp; Many Many Points &lt;3 Please help quickly!)
Dmitry_Shevchenko [17]

Answer:

D] f(n) = f(n − 1) + (−7)

Step-by-step explanation:

since you already know is an arithmetic series, you have to find the common difference.

87 - 94 = -7

80 - 87 = -7

73 - 80 = -7

the formula for the nth term is f(n) = f(n-1) + d

where f(n-1) is the previous term and d is the common difference, so if youu substitute you get:

f(n) = f(n-1) + d

f(n) = f(n-1) + (-7)

4 0
3 years ago
Read 2 more answers
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