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8090 [49]
3 years ago
11

PLEASE HELP ME!

Mathematics
1 answer:
-Dominant- [34]3 years ago
6 0

Answer:

a/8 = b/15

Step-by-step explanation:

a/b = 8/15  -- divide both side by 8 and multiple both side by b

a/8 = b/15

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A line segment has the endpoints C(4,9) and D(8,7). Find the coordinates of its midpoint M
babunello [35]

Answer:

M = (6, 8)

Step-by-step explanation:

To the find the midpoint of a segment you add the x values, then divide by 2, then add the y values and divide by 2. M = (\frac{x_{1} +x_{2} }{2}, \frac{y_{1} +y_{2} }{y} ). Therefore, you would do ((4+8)/2, (9+7)/2). So, you're answer is (12/2, 16/2), which equals      (6, 8)

8 0
3 years ago
If the family has three pets, what is the theoretical probability that they have three dogs or three cats?
dsp73
It will be a 1/27 chance that the family will have 3 dogs or 3 cats 1/3x1/3x/13=1/27
4 0
3 years ago
The length of chen’s office is 15.5 feet and the width is 7.8 feet find of the office
Dafna11 [192]

Answer:

The area of Chen's office (if that's what you're looking for) is 120.9 feet

Step-by-step explanation:

All I did was a = lw, the formula for finding the area of something using length and width

a = lw

a = 15.5 × 7.8

a = 120.9

Hope this helped.

4 0
3 years ago
In a production process, the probability of manufacturing a defective rear view mirror for a car is 0.075. Assume that the quali
Leviafan [203]

Answer:

The probability that the 3rd defective mirror is the 10th mirror examined = 0.0088

Step-by-step explanation:

Given that:

Probability of manufacturing a defective mirror = 0.075

To find the probability that the 3rd defective mirror is the 10th mirror examined:

Let X be the random variable that follows a negative Binomial expression.

Then;

X \sim  -ve  \ Bin (k = 3 , p = 0.075)\\ \\ P(X=x)= \bigg (^{x-1}_{k-1}\bigg)\times P^k\times (1-P)^{x-k}

= \bigg (^{10-1}_{3-1}\bigg)\times 0.075^3\times (1-0.075)^{10-3}

= \bigg (^9_2\bigg)\times 0.075^3\times (1-0.075)^{7}

= \dfrac{9!}{2!(9-2)!}\times 0.075^3\times (0.925)^{7}

= \dfrac{9*8*7!}{2!(7)!}\times 0.075^3\times (0.925)^{7}

= 0.0087999

≅ 0.0088

5 0
2 years ago
There are 100 centimeters (cm) in every meter (m).
cricket20 [7]

Answer:

sorry

where is the table

Step-by-step explanation:

plz send detailed question

7 0
3 years ago
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