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SSSSS [86.1K]
3 years ago
12

Frankie is practicing for a 5-kilometer race. His normal time is 31 minutes 13 seconds. Yesterday it took

Mathematics
1 answer:
Gnom [1K]3 years ago
4 0

Answer:

1 min and 23 seconds

Step-by-step explanation:

I calculated this by trying to solve how many minutes and seconds it would take for 29 mins 50 secs to get to 31 mins 13 secs.

The first thing I did was add 1 minute. This would make the time become 30 mins 50 secs.

I then tried to find how many seconds it would take to make it become 31 minutes, which is 10 seconds (since 50 seconds + 10 seconds = 1 minute).

Then I added 13 seconds because that's how you get from 31 minutes to 31 mins and 13 seconds. 13 + 10 = 23

Finally, the answer is 1 minute and 23 seconds.

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Convert (4,000°) to rectangular form.
Dafna1 [17]

Answer:

x=4, y =0

Step-by-step explanation:

To convert to rectangular from, we use the formulas

x= rcos theta

y = rsin theta


Substitute  r=4 and theta =0

x = 4 cos (0)   = 4 (1) = 4

y = 4 sin (0) = 4(0) = 0


In rectangular form  (4,000°)  equals ( 4, 0)

5 0
4 years ago
What is (f-g)(x)?<br><br> question equation show in picture
likoan [24]

Answer:

(f-g)(x) = x^4 - x^3 - 4x^2 - 3

Step-by-step explanation:

(f-g)(x) = x^4 - x^2 + 9 - (x^3 + 3x^2 + 12)

(f-g)(x) = x^4 - x^2 + 9 - x^3 - 3x^2 - 12

(f-g)(x) = x^4 - x^3 - 4x^2 - 3

7 0
4 years ago
Alexis is designing a storage chest shaped like a rectangular prism. The storage chest is 6 feet long 2 feet wide and 3 feet hig
melamori03 [73]

Answer:

72

Step-by-step explanation:

SA Formula = 2(L x W) + 2(L x H) + 2(W x H)

2(6x2) + 2(6x3) + 2(2x3)

2(12) + 2(18) + 2(6)

24 + 36 + 12

The answer would be 72 ft sqaured

8 0
3 years ago
A 5.5-foot woman casts a shadow that is 3 feet longer than her son’s shadow. Her son casts a shadow that is 13.5 feet long. How
Rasek [7]
16.5

Hope i was able to give the right answer
4 0
4 years ago
16/4-12/3= I need help!!!
crimeas [40]

the answer is Zero

four minus four equals zero

6 0
4 years ago
Read 2 more answers
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