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Fiesta28 [93]
3 years ago
13

How do I work out this question?

Mathematics
2 answers:
SashulF [63]3 years ago
5 0

Answer:

170

Step-by-step explanation:

19 45 - 16 55

For convenience, let's find the lapse from 17 00 till 19 45, it's simple 2 hours and 45 mins.

Now add the 5 mins we neglected (from 16 55 to 17 00).

That's 2 hours and 50 mins

1 hour = 60 mins

2 hours = 120 mins

2 hour 50 mins = 170 minutes

Romashka-Z-Leto [24]3 years ago
5 0

Answer:

170 minutes

Step-by-step explanation:

for each are there are 60 minutes (min)

from 16:55 to 19:55 there is 3 hours

3*60 min is 180 min

55-10 is 45 min

180-10 is 170 minutes

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<h2><em><u>18</u></em></h2>

Step-by-step explanation:

<em><u>Given</u></em><em><u>, </u></em>

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Height of the cylinder = 3cm

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= 2\pi rh

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= 2\pi \times 9 {cm}^{2}

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4 0
3 years ago
Read 2 more answers
Jerry’s rhombus has a base of 15 inches and a height of 9 inches. Charlene’s rhombus has a base and a height that are 13 the bas
neonofarm [45]

Answer:  The area of Charlene's rhombus is nine times smaller than the area of Jerry's rhombus.

Step-by-step explanation:

I will assume that the exercise says "\frac{1}{3} times the base and height of Jerry’s rhombus".

The area of a rhombus can be calculated with the following formula:

A=b*a

Where "b" is the length of the base  and "a" is the altitude or the height.

Then, you can calculate the area using the formula shown above.

Therefore, you get:

1. Jerry's rhombus:

A_1=(15\ in)(9\ in)\\\\A_1=135\ in^2

2. Charlene's rhombus:

A_2=(\frac{1}{3}*15\ in)(\frac{1}{3}*9\ in)\\\\A_2=(5\ in)(3\ in)\\\\A_2=15\ in^2

Dividing the area calculated, you get:

\frac{135\ in^2}{15\ in^2}=9

Therefore, you can conclude that the area of Charlene's rhombus is nine times smaller than the area of Jerry's rhombus.

7 0
3 years ago
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Drag numbers to the table so it shows a proportional relationship between x and y.
Yakvenalex [24]

Answer:

the second box for y is 9

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2 years ago
The sum of the angles of any triangle is
statuscvo [17]

Answer:

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Step-by-step explanation:

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3 years ago
Cameron drives a semitruck for Haulin' Harry's Trucking Company. He earns $0.45 for every mile he drives. If Cameron drove 827.4
ANEK [815]

Answer:

$372.330

Step-by-step explanation:

if 1 mile = $0.45 and you want to find out 827.4 miles

you should multiple $0.45 × 872.4

1 mile : $0.45

827.4 × $0.45 = 372330

827.4 : $372.330

3 0
3 years ago
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