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gogolik [260]
3 years ago
11

Kế hoạch đi dã ngoại của một gia đình sẽ bị hủy nếu trời có mây hoặc mưa. Biết xác suất để trời có mây là có mưa là có cả mây và

mưa là . Tính xác suất để kế hoạch được thực hiện.
Mathematics
1 answer:
77julia77 [94]3 years ago
5 0

Answer:

itditsktxjtcv6tgcxufh-&#€#€($*:'₹€$*^'ditx_*^,tsitsitxmvditxitsitsjfxkhcoucuofoydoy

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Select the correct answer from each drop-down menu.
nikklg [1K]

The transformation that maps quadrilateral 1 onto quadrilateral 2 is a <u>translation</u> followed by a dilation with a scale factor of 2.

<h3>What is a transformation?</h3>

A transformation can be defined as the movement of a point on a cartesian coordinate from its original (initial) position to a new location.

<h3>The types of transformation.</h3>

In Geometry, there are different types of transformation and these include the following:

  • Dilation
  • Reflection
  • Rotation
  • Translation

Based on similarity transformation of both quadrilateral 1 and quadrilateral 2, we can infer and logically deduce that the transformation which directly maps quadrilateral 1 onto quadrilateral 2 is a <u>translation</u> followed by a dilation with a scale factor of 2, as shown in the image attached below.

Read more on transformations here: brainly.com/question/27939466

#SPJ1

5 0
2 years ago
Shelley is making bows. Each bow is made using 9 inches of ribbon. Shelley needs to make 24 bows for a party. If the store sells
Zinaida [17]

Answer:

a. 18

Step-by-step explanation:

First you multiply 24 by 9 since each bow is 9 inches and she needs 24 bows.

After multiplying you should then end up with 216 in. Then convert 216 into feet which should give you 18.

(Sorry if my explanation is not the best. I hope this helps though!)

3 0
3 years ago
Read 2 more answers
The base and height of a triangle are 9 yards and 10 yards respectively. Find the area of the triangle.
Lisa [10]

Answer:

45

Step-by-step explanation:

1/2×9×10

since the formula says half base times height, so therefore

Area =45

6 0
3 years ago
Americans receive an average of 20 Christmas cards each year. Suppose the number of Christmas cards is normally distributed with
soldier1979 [14.2K]

The distribution of X is X ~ N (20 , 6) and the probability that this American will receive no more than 24 Christmas cards this year is 0.7486.

<h3>Probability</h3>

a. Distribution

X ~ N (20 , 6)

b. P(x ≤24)

= P[(x - μ ) / σ  (24 - 20) / 6]

= P(z  ≤0.67)

=  0.74857

=0.7486

Hence:

Probability = 0.7486

c. P(21 < x < 26)

= P[(21 - 26)/ 6) < (x - μ  ) / σ   < (24 - 20) / 6) ]

= P(-0.83 < z < 0.67)

= P(z < 0.67) - P(z < -0.)

=  0.74857- 0.2033

= 0.54527

Hence:

Probability =0.54527

d. Using standard normal table ,

P(Z < z) = 66%

P(Z < 0.50) = 0.66

z = 0.50

Using z-score formula,

x = z×  σ +  μ

x = 0.50 × 6 + 20 = 23

23 Christmas cards

Therefore the distribution of X is X ~ N (20 , 6) and the probability that this American will receive no more than 24 Christmas cards this year is 0.7486.

Learn more about probability here:brainly.com/question/24756209

#SPJ1

8 0
2 years ago
X is less than or equal to 1
levacccp [35]

Answer:

X is equal to 1, because for any other number x, 1*x = x. So, the reason that any number to the zero power is one is because any number to the zero power is just the product of no numbers at all.

5 0
4 years ago
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