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Hoochie [10]
3 years ago
11

Whats the answer to 12.9 – 3.1) × 6.2 – 2 + 43

Mathematics
2 answers:
Grace [21]3 years ago
5 0

Answer: 101.76

Explanation: Remember PE(MD)(AS)? Parentheses go first. You get 9.8. Then multiply 9.8 with 6.2=60.76. Now, subtract 60.76-2, which you get 58.76. Lastly, add 58.76+43=101.76

suter [353]3 years ago
3 0

Answer:

101.76

Step-by-step explanation:

(12.9−3.1)(6.2)−2+43

=(9.8)(6.2)−2+43

=60.76−2+43

=58.76+43

=101.76

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Solve the proportion.
Basile [38]

Ratio of number of classes and the time taken to conduct each one of them on Thursday = 6 : 8

Ratio of number of classes and the time taken to conduct each one of them on Friday = c : 4

Which means :-

6 : 8 :: c : 4

6/8 = c/4

= 6 × 4 = c × 8

= 24 = 3 × 8

c = 3

The ratio = 6 : 8 :: 3 : 4

Which means that C = 3 .

5 0
3 years ago
Can some plz help me?
Lesechka [4]

Answer:

demos is the website

Step-by-step explanation:

listen i dont know what grade your in in school middle or high but there is this very beneficial website im gonna give you it is graphing we use it in my high school math class so basically you put i the coordinates and doing so its gonna graph it for you. all you have to do is type the equation on the side once done and graphed you click the dots zoom in and out also once you click the dot you answer should be with the number.

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3 years ago
Triangle RST was dilated by a scale factor of . The image, triangle R'S'T', is an isosceles triangle, with each leg measuring 8
Alik [6]
<span>Triangle RST was dilated by a scale factor of 1/2

Given: </span><span>triangle R'S'T', is an isosceles triangle, with each leg measuring 8 units. 

Pre-image: 
measure of pre-image * scale factor = measure of resulting image

measure of pre-image = measure of resulting image / scale factor

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4 0
3 years ago
Read 2 more answers
Suppose a graduate program has sent acceptance letters to 45 applicants, but only has enough funding for 30 students. Let the st
gulaghasi [49]

Answer:

the probability that the graduate program will have enough funding for all student that join the program is 0.3653 (36.53%)

Step-by-step explanation:

since each student is independent on others the random variable X= x students of 45 applicants will join the program has a binomial probability distribution

P(X=x)= n!/[(n-x)!*x!]*p^x*(1-p)^x

where

n= total number of students= 45

p= probability that a student join the program= 0.7

x= number of students that join the program

then in order to have enough funding x should not surpass 30 students , then

P(X≤30)= ∑P(X) for x from 1 to 30 = F(30)

where F(30) is the cumulative probability distribution

then from binomial probability tables

P(X≤30)= F(30)= 0.3653 (36.53%)

therefore the probability that the graduate program will have enough funding for all student that join the program is 0.3653 (36.53%)

5 0
3 years ago
Lines r and s are parallel. If the slope of line r is 2/5 what is the slope of line s
Nonamiya [84]

Answer:

if they are parrallel then it should have the same slope i think

Step-by-step explanation:

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