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adell [148]
3 years ago
12

How many planes appear in the figure?

Mathematics
2 answers:
Debora [2.8K]3 years ago
8 0

Answer:

where is the figure

Step-by-step explanation:

lapo4ka [179]3 years ago
5 0

There is no figure. You will have to take a picture to show us.

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Amelia randomly selects two cards, with replacement, from a normal deck of cards. Calculate the probability that: the first card
Lena [83]

Answer:

1 / 2704

Step-by-step explanation:

Number of cards in a deck = 52

9 of clubs in a deck = 1

10 of clubs in a deck = 1

Probability = required outcome / Total possible outcomes

P(9 of club) = 1 / 52

With replacement ;

Then ;

P(10 of club) = 1 / 52

Hence,

P(9 of club, then 10 of club) = 1/52 * 1/52 = 1 / 2704

3 0
3 years ago
Max drove 460 miles in 8 hours at a constant speed. How long would it take him to drive 661.25 miles at that speed
alexira [117]
Rate x time = distance

8r = 460  Divide both sides by 8

rate = 57.5 miles per hour

At that speed (57.5mph) and the distance of 661.25miles we should divide

661.25 miles ÷ 57.5 mph = 11.5 hours

4 0
2 years ago
Read 2 more answers
Which expression is equivalent to
dsp73

Answer: A

Step-by-step explanation: I honestly couldn't tell you how to do this, I don't understand it. I just took the test and got this question correct. The answer is A, (5-7)^2.

7 0
2 years ago
A sample of 100 women is obtained, and their heights (in inches) and pulse rates (in beats per minute) are measured. The linear
9966 [12]

Answer:

54.07 inches

Step-by-step explanation:

Given the regression equation :

y = 18.5 + 0.890x

y = pulse rate in beats per minute

x = height

The best predicted pulse rate of a woman who is 65 inches

Put y = 65 in the regression equation :

65 = 18.5 + 0.890x

65 - 18.5 = 0.890x

46.5 = 0.890x

Divide both sides by 0.890

46.5 / 0.890 = 0.890x / 0.890

54.0697 = x

The best predicted pulse rate for a woman wo is 65 inches tall is 54.07 inches

8 0
2 years ago
Write 7/12 as a percent
sineoko [7]
<span>If you want to convert a number to a percentage you have to multiply that number by 100 <span>with the sign</span></span> %.

\frac{7}{12}=\frac{7}{12}\cdot100\%=\frac{700}{12}\%=\frac{700:4}{12:4}\%=\frac{175}{3}\%=\boxed{58\frac{1}{3}\%}
6 0
3 years ago
Read 2 more answers
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