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kozerog [31]
2 years ago
14

Find the total time.

Mathematics
2 answers:
pochemuha2 years ago
5 0

Answer:

A: 2h 14 minutes

Step-by-step explanation:

First add 53+37+44=134

Next you subtract 134-120=14

120 min is 2 hours

Then 14 is 14 min

Ad libitum [116K]2 years ago
3 0

Answer:

A and D

Step-by-step explanation:

53 + 37 + 44 with the time standard being minutes

Find total time

___________________________________________

We have units of time and need to add them together, let's do as such.

53 + 37 + 44

134 minutes.

Let's try simplifying it into minutes to find how much we have :

134/60

2 hours and 14 minutes

Therefore A and D are correct.

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Margaret [11]

Answer:

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Step-by-step explanation:

6 0
3 years ago
Iodine-125 has a half-life of about 60 days. How many milligrams of a 1000 mg sample will remain after 240 days?
Tomtit [17]

240 days is 4 times the half-life, which means that a sample of 1000 mg will decay to

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3 0
3 years ago
Please help me with this one and I will thank you
Alexxandr [17]

I would but my teacher has a ad blocker on and I cant access the attachment :P


7 0
3 years ago
Read 2 more answers
Given a dilation around the origin, what is the scale factor K?<br><br> Do, K = (20,16) → (-5,-4)
Rudik [331]

Answer:

Scale factor, K = -1/4

Step-by-step explanation:

Dilation of any image changes its size and the shape remains same.

The scale factor is the ratio of dilated image to original image.

Dilation rule: (x, y) → (kx, ky), where k is the scale factor.

It means k = x₂/x₁ or y₂/y₁

K = -5/20 = -1/4 or K = -4/16 = -1/4.

<u>The negative value of scale factor (K) indicates dilations with 180 degree rotation of the dilated image.</u>

Hence the scale factor is K = -1/4.

5 0
3 years ago
A mechanic uses a mechanical lift to raise a car. The car weighs 10,200 N. The work required to do this was 22,440 J.
Neporo4naja [7]
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