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vaieri [72.5K]
3 years ago
12

The TV weather forecaster announces that one location has a 75% chance of sleet tomorrow and a 5% chance of snow. What is the pr

obability that it will sleet or snow in this location?
Mathematics
1 answer:
alexandr1967 [171]3 years ago
4 0

Answer:

80%

Step-by-step explanation:

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Which is a valid velocity reading for an object?
aleksklad [387]
The answer is B. 45m/s north
5 0
2 years ago
Six distinct integers are picked from the set {1, 2, 3,…, 10}. How many selections are there, in which the second smallest integ
Ksivusya [100]

Answer:

1680 ways

Step-by-step explanation:

Total number of integers = 10

Number of integers to be selected = 6

Second smallest integer must be 3. This means the smallest integer can be either 1 or 2. So, there are 2 ways to select the smallest integer and only 1 way to select the second smallest integer.

<u>2 ways</u>   <u>1 way</u>  <u>       </u>  <u>        </u>  <u>        </u>  <u>        </u>

Each of the line represent the digit in the integer.

After selecting the two digits, we have 4 places which can be filled by 7 integers. Number of ways to select 4 digits from 7 will be 7P4 = 840

Therefore, the total number of ways to form 6 distinct integers according to the given criteria will be = 1 x 2 x 840 = 1680 ways

Therefore, there are 1680 ways to pick six distinct integers.

6 0
3 years ago
Javier used chalk to draw some shapes on the playground.
Anna007 [38]

Step-by-step explanation:

option D is answer coz parallelograms and rectangles have the angle greater than 90°……

6 0
3 years ago
The area of a parallelogram is 131.84 square centimeters and the base is 12.8 centimeters. What is the height of this parallelog
mylen [45]

Answer:

10.3cm

Step-by-step explanation:

h=A

b=131.84

12.8≈10.3cm

8 0
3 years ago
Which statements are true about a rectangular pyramid with a height of 9 centimeters and a base with the dimensions of 4 centime
Semmy [17]

Answer:

B. The area of the base of the pyramid, B, is 24 centimeters squared.

C. A rectangular prism with the dimensions of 9 centimeters by 4 centimeters by 6 centimeters will have 3 times volume of this pyramid.

Step-by-step explanation:

Given a rectangular pyramid with:

Height=9 cm

Base Dimensions = 4 centimeters by 6 centimeters

Base Area B=4 X 6 =24 Square cm.

Therefore, Option B (The area of the base of the pyramid, B, is 24 centimeters squared) is correct.

Volume of a pyramid = \frac{1}{3} $ X Base Area X Height

=\frac{1}{3}  X 24X9=72 cm^3

Volume of a Prism with the dimensions of 9 centimeters by 4 centimeters by 6 centimeters

=Base Area X Height

=24 X 9

=216 cm^3

Now, 216/72=3

Therefore, A rectangular prism with the same dimensions will have 3 times volume of this pyramid

Therefore, <u>Option C is correct.</u>

6 0
3 years ago
Read 2 more answers
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