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morpeh [17]
2 years ago
5

Jennifer works 3 1/2 hours each morning at the clinic. How many routine physicals could she complete in one morning? (Routine ph

ysical=1/3hr)
A. 4
B.9
C. 10
D. 11
Mathematics
2 answers:
den301095 [7]2 years ago
5 0

Answer:

C

Step-by-step explanation:

Total Work hours = 3 1/2 hours

One routine physical routine requires: 1/3 hours.

Number of routines can be completed = Total work hours / Time required for one physical routine

= 3\frac{1}{2}  / \frac{1}{3}\\=\frac{7}{2} /\frac{1}{3} \\=\frac{7}{2} *3\\

= 10.5 routines.

In this case, we are unable to complete half a routine (0.5), so we will choose the highest possible whole number, in this case, its 10 routines.

cluponka [151]2 years ago
3 0
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2x+7y=4 −2x−8y =−2 ​
Darina [25.2K]

Answer:

-y = 2.

Step-by-step explanation:

2x + 7y= 4

- 2x – 8y = -2  

Adding we eliminate   x because 2x + -2x = 0:-

0 - y = 4  + -2

-y = 2.

8 0
3 years ago
What is the green dot on the parabola called​
suter [353]

Answer:

Maximum

Step-by-step explanation:

The green dot repesents the max height of the parabola.

Helpful tip:

If the graph opens up then the vertex is a min

If the graph opens down then the vertex is a max

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Y is directly related to X, and Yis 81 when X is 27.<br> The constant of variation is
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Answer:

3

Step-by-step explanation:

A direct variation is of the form

y = kx

We know x and y so we can find k

81 = k *27

Divide each side by 27

81/27 = 27k/27

3=k

The constant of variation is 3

5 0
3 years ago
51 divided by 2,306.2
AlladinOne [14]

Answer:

45.21960784 or 45.2

Step-by-step explanation:

7 0
3 years ago
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Tomas is making trail mix using granola and walnuts. He can spend a total of $12 on the ingredients. He buys 3 pounds of
spin [16.1K]

Answer:

The first error that Tomas made was added 6 to both sides of the equation instead of subtracting 6

Step-by-step explanation:

Let

x ----> represents the number of pounds of granola

y ----> represents the number of pounds of walnuts

we know that

The linear equation that represent this scenario is

2x+6y=12 -----> equation A

x=3 -----> equation B

substitute equation B in equation A and solve for y

2(3)+6y=12

6+6y=12

Subtract 6 both sides

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6y=6

Divide by 6 both sides

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so

The number of pounds of walnuts is 1

therefore

The first error that Tomas made was added 6 to both sides of the equation instead of subtracting 6

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