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vodomira [7]
4 years ago
5

A doctor measured a patient’s resting pulse rate at 80 beats per minute. Draw a graph to show the relationship between time and

the number of times the patient’s heart beats. Use it to estimate how many times the patient’s heart will beat in 18 minutes. Write an equation in Y = mx + b form.
Mathematics
1 answer:
Zarrin [17]4 years ago
7 0

Answer:

i also need the answer to this question

Step-by-step explanation:

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(16x3 + 40x2 + 72) (2x + 6)
Volgvan
(16x^3+40x^2+72)(2x+6)=32x^4+96x^3+80x^3+240x^2+144x+432=32x^4+176x^3+240x^2+144x+432

In this case, you have to multiply each term of one parenthesis by each term in the second bracket. After receiving a number of factors need to be segregated and placed in the correct order.

8 0
3 years ago
Beth and Jonny share some sweets in the ratio 2:3. If beth gets 16 sweets, how many do they have altogether?
marusya05 [52]
48 I think. If they each get 1/3 of the sweets (which is 16), then it's 16 x 3.
3 0
3 years ago
A grocer prepares free samples of a salad to give out during the day. By lunchtime, the grocer has given out 5 fewer than half t
12345 [234]

The grocer prepared total 110 samples.

<em><u>Explanation</u></em>

Suppose, the total number of samples the grocer prepared is  x

By lunchtime, the grocer has given out 5 fewer than half the total number of samples. So, the number of samples given out by lunchtime = \frac{1}{2}x -5

Now, it is given that she gives out 50 samples before lunch. That means...

\frac{1}{2}x -5 =50\\ \\ \frac{1}{2}x=5+50\\ \\ \frac{1}{2}x=55\\ \\ x=55*2=110

So, the total number of samples the grocer prepared is 110.

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konstantin123 [22]
His total spending money is $90, so that is what the equations going to equal. Then he can spend $2.50 each time. So 2.50x = 90
8 0
3 years ago
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That would be 60 / 0.9144 = 66 yards
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