3 years ago

Find the length of side a

Mathematics

1 answer:

avanturin [10]3 years ago

4 0

Answer:

Wheres the picture

Step-by-step explanation:

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A race walker completed a 13 mile walk in 2.5 hours. What is the walker's speed per hour?

Viktor [21]

Answer:

5.2mph

Step-by-step explanation:

Speed =distance/time

13/2.5=5.2 mph

4 0

3 years ago

Hi, please help me out with this math problem.

GalinKa [24]

9514 1404 393

Answer:

x - 4

Step-by-step explanation:

The expression simplifies to ...

$\sqrt{x^2-8x+16}=\sqrt{(x-4)^2}=|x-4|$

For x ≥ 4, the argument of the absolute value function is non-negative, so it remains unchanged. The simplified expression is ...

x - 4 . . . . for x ≥ 4

6 0

2 years ago

The equation of a line of best fit relating the number of cats c at an animal shelter to the number

WINSTONCH [101]

ANSWER 155 cats

Step by step explanation

No. of dogs = 50=d
No. of cats = 3.5x50- 20
=175-20
=155 cats

8 0

3 years ago

A stack of 9 different cards are shuffled and spread out face down. If 4 cards are tired face up, how many different 4-card comb

Juliette [100K]

Answer:

126.

Step-by-step explanation:

This is the number of combinations of 4 cards from 9 cards:

= 9C4

= 9! / 4! 5!.

A quick way of calculating this is

9*8*7*6

----------- = 9*2*7 = 126 combinations.

4*3*2*1

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3 years ago

A ship is 2.8 degrees off course. If the ship is traveling at 14 mph, how far off course will it be after 2 hours?

Ostrovityanka [42]

I am pretty sure it’s 1.37 miles

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3 years ago