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Anettt [7]
3 years ago
12

Please help ?????? ???

Mathematics
1 answer:
sasho [114]3 years ago
3 0

Answer:

VY

Step-by-step explanation:

the side lengths have to be equal because they are the same angle and got down the exact same length

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A person is shopping for cereal, oranges, and eggs at a grocery store.
Romashka [77]
I got b have a good day :)
8 0
3 years ago
The speeds of cars on a given i street we are normally distributed with a mean of 72 miles per hour and a standard deviation of
Ostrovityanka [42]

Answer: 72.78% of the drivers are traveling between 70 and 80 miles per hour based on this distribution.

Step-by-step explanation:

Let X be a random variable that represents the speed of the drivers.

Given: population mean : M = 72 miles ,

Standard deviation: s= 3.2 miles

The probability that the drivers are traveling between 70 and 80 miles per hour based on this distribution:

P(70\leq X\leq 80)=P(\frac{70-72}{3.2}\leq \frac{X-M}{s}\leq\frac{80-72}{3.2})\\\\= P(-0.625\leq Z\leq 2.5)\ \ \ \ \ [Z=\frac{X-M}{s}]\\\\=P(Z\leq2.5)-P(Z\leq -0.625)\\\\\\ =0.9938-0.2660\ \ \ [\text{Using p-value calculator}]\\\\=0.7278

Hence, 72.78% of the drivers are traveling between 70 and 80 miles per hour based on this distribution.

3 0
3 years ago
Becky spent h hours studying
Otrada [13]

Answer:

6.5 = <em>h</em> + 2

<em>h</em> = 4.5

Step-by-step explanation:

We are given <em>h</em> and since she did 2 additional hours of work, we add the 2 hours. and since we are trying to find <em>h</em>, we set the equation equal to 6.5

7 0
2 years ago
BRAINLIEST, help, thank youu!!
mihalych1998 [28]

Answer: B - 15/40

Step-by-step explanation: You can simplify the answer from

3/8 x 5 = 15/40

Hope this helps ty if you do give brainliest. means alot.

6 0
2 years ago
Read 2 more answers
3. Marcus had an average score of 90% on two biology tests about protists. If his first test score was 96%, which score did he r
Maurinko [17]

Answer:

B: 84%

Step-by-step explanation:

7 0
2 years ago
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