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anygoal [31]
3 years ago
7

4(x - 6y)=..................​

Mathematics
1 answer:
Damm [24]3 years ago
5 0
4(x-6y= equation that’s what it equals
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What’s the length of the mid segment of a trapezoid with bases of length 16 and 24
blagie [28]

Answer:

20

Step-by-step explanation:

The midsegment of a trapezoid is calculated as

\frac{sumofbases}{2} = \frac{16+24}{2} = \frac{40}{2} = 20

7 0
3 years ago
Find 4 consecutive odd numbers such that twice the sum of the least 2 numbers is 40 less than three times the sum of the greates
ANTONII [103]
4 consecutive odd numbers....x, x + 2, x + 4, x + 6

2(x + x + 2) = 3(x + 4 + x + 6) - 40
2(2x + 2) = 3(2x + 10) - 40
4x + 4 = 6x + 30 - 40
4x + 4 = 6x - 10
4x - 6x = -10 - 4
-2x = - 14
x = -14/-2
x = 7

x + 2 = 7 + 2 = 9
x + 4 = 7 + 4 = 11
x + 6 = 7 + 6 = 13

ur numbers are : 7,9,11,13 <==
4 0
4 years ago
What is the circumference of a circle that's radius is 6.3​
77julia77 [94]
39.58 and this is because the radius is half of the diameter so the diameter can be though of as 2r. The formula is C= 2pi r
7 0
3 years ago
Read 2 more answers
A student answers a multiple-choice examination question that offers four possible answers. Suppose the probability that the stu
Nitella [24]

Answer: 0.9730

Step-by-step explanation:

Let A be the event of the answer being correct and B be the event of the knew the answer.

Given: P(A)=0.9

P(A^c)=0.1

P(B|A^{C})=0.25

If it is given that the answer is correct , then the probability that he guess the answer P(B|A)= 1

By Bayes theorem , we have

P(A|B)=\dfrac{P(B|A)P(A)}{P(B|A)P(A)+P(C|A^c)P(A^c)}

=\dfrac{(1)(0.9)}{(1))(0.9)+(0.25)(0.1)}\\\\=0.972972972973\approx0.9730

Hence, the student correctly answers a question, the probability that the student really knew the correct answer is 0.9730.

7 0
3 years ago
Please help! 10 points
Natali [406]

Answer:

2ddksdfkladfkjkafadfasf

3 0
3 years ago
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