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Tju [1.3M]
3 years ago
13

8. Make a prediction for a resting heart rate after 6 hours of

Mathematics
2 answers:
liraira [26]3 years ago
7 0
I think the answer is 50
wel3 years ago
7 0

Answer:

the answer is 50!!! it sure is

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At the movie theater the blaine family spent $22.00 for twoadult tickets and three child tickets. the hooper family spent $18.50
Anika [276]
2a+3c=22.00 ......equation 1
a+4c=18.50  =>2a+8c=37.00 .....equation 2
subtract equation one from equation two: 
5c=37-22=15
c=3
a+4*3=18.50 =>a=6.50

for the Hu family: 3*6.50+1*3.00=22.50 dollars
3 0
3 years ago
Look at the illustration. <br> What is WX?
Oxana [17]

Answer:

O  0.5 units

Step-by-step explanation:

so the first thing we have to do is to calculate for the dilation factor. Taking point G as the reference point, we can see that the distance of point G from rectangle W'X'Y'Z is 1.5 while the distance from rectangle WXYZ is (1.5 + 7.5) = 1.5 / 9 = 1/6

Since WX has an initial measure of 3 units, therefore the measure of W'X' is:

W'X' = 3 units *(1/6) = 0.5 units

8 0
3 years ago
3. Anna has a large bag of coins. After counting the coins, she recorded the counts in the table below. She then decided to draw
Sergio [31]

Answer:

(a) P = 0.2821

(b) P = 0.3718

(c) P = 0.7179

(d) P = 0.6538

(e) P = 0.4231

Explanation:

There is a total of 78 coins in the bag because:

22 + 27 + 11 + 18 = 78

From those 78 coins, 22 are quarters, so the probability that Anna obtains a quarter on the first draw is:

P = 22/78 = 0.2821

Since Anna replaces each coin before the next draw, the probability for each draw is independent. Therefore, the probability that Anna obtains a penny or a dime on the second draw is calculated as:

P = (18 + 11)/78 = 0.3718

Because there are 18 pennies and 11 dimes in the bag.

In the same way, Anna will obtain at most 10 cents worth of money if she obtains a penny, a dime, or a nickel. So, the probability is equal to:

P = (27 + 11 + 18)/78 = 0.7179

The probability that Anna does not get a nickel on the fourth draw is:

P = (22 + 11 + 18)/78 = 0.6538

Finally, Anna obtains at least 10 cents if he obtains a dime or a quarter, so the probability is:

P = (22 + 11)/78 = 0.4231

Therefore, the answers are:

(a) P = 0.2821

(b) P = 0.3718

(c) P = 0.7179

(d) P = 0.6538

(e) P = 0.4231

7 0
1 year ago
1. Consider this system of equations.<br> 3x + 5y = 7<br> 2x -y =9
sweet [91]

Answer:

x = 4

y = -1

Step-by-step explanation:

3x + 5y = 7

5(2x - y = 9). = 10x - 5y = 45 (add the equations)

13x = 52. X = 4

3 (4) + 5y = 7

12 + 5y = 7

5y = 7 - 12

y = -5/5. y = -1

5 0
2 years ago
Determine the precise name for quadrilateral WXYZ
Natali5045456 [20]

it is a quadrilateral

3 0
3 years ago
Read 2 more answers
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