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diamong [38]
3 years ago
5

A rectangular picture from has a length of 7 inches and a width

Mathematics
1 answer:
mezya [45]3 years ago
6 0

Answer:

8.6

Step-by-step explanation:

This uses the Pythagorean Theorem

a^2 + b^2 = c^2

a = 5

b = 7

c = ?

5^2 + 7^2 = c^2

25 + 49 = c^2

74 = c^2

sqrt(c^2) = sqrt(74)

c = 8.60 which when rounded = 8.6

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Ned is driving at 72km/h, at this rate how long (in hours and minutes) will it take him to drive 210km
beks73 [17]

Answer:

2 hours 55 minutes

Step-by-step explanation:

calculate time (T) using the relationship

T = \frac{D}{S} ( D is distance , S is average speed )

T = \frac{210}{72} = 2.9166... hours

to convert to hours and minutes multiply the decimal part by 60 , that is

0.9166.. × 60 = 55 minutes

then time taken to drive 210 Km is 2 hours 55 minutes

5 0
2 years ago
A number plus its opposite is called the
Inessa [10]

Answer:

The answer is the first one - Additive Inverse.

8 0
3 years ago
Working alone, Elisa can sweep a porch in 11 minutes. Pranav can sweep the same porch in 13 minutes. How long would it take if t
GaryK [48]

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1 = t( 1/11 + 1/13) = t (24/143)

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Answer is A 5.96mins

5 0
3 years ago
What is the domain value of the range is -5?
leonid [27]

Answer:

  • - 1

Step-by-step explanation:

Function given

  • f(x) = 4x - 1

Range = -5

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Domain is -1

4 0
3 years ago
I need help with number patterns​
bija089 [108]

Answer:

what are the numbers at my guy

7 0
3 years ago
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