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katrin2010 [14]
3 years ago
14

Find the distance between the points (4, 2) and (-8, 7).

Mathematics
1 answer:
soldi70 [24.7K]3 years ago
3 0
The answer will be A



Step by Step Calculation

Length = √((x2 - x1)2 + (y2 - y1)2)

= √((-8-(4))2 + (7-(2))2)

= √(144+25)

= √(169)
= 13
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Sam makes some bread rolls. He gives 2/5 of the bread to his neighbor and 4/9 of the remainder to his cousin. He has 15 tools le
Cerrena [4.2K]

Answer:

Sam initially made 45 bread rolls

Step-by-step explanation:

Let x = total number of bread rolls made by Sam. He gives 2/5 of the bread to his neighbor. This means he gave 2/5 × x =

2x/5 bread rolls to his neighbor.

The remainder would be x - 2x/5 =3x/5

He gave 4/9 of the remainder to his cousin = 4/9 ×3x/5=12x/45

=4x/15

He has 15 bread rolls left

Total number of bread rolls = what he has left + what he gave his cousin + what he gave his neighbor

x = 15 + 4x/15 + 2x/5

Taking LCM of 15 and cross multiplying

15x= 225+4x + 6x

15x = 225 +10x

15x-10x = 225

5x = 225

x = 225/5 =45

Sam initially made 45 bread rolls

4 0
4 years ago
E - 867 = 108; E = need help
lina2011 [118]
To solve for E you'll add 867 to 108.

E - 867 = 108
E = 108 + 867
E = 975

Hope this helps :)

7 0
4 years ago
Is my answer correct?
Alexandra [31]
Yes your answer would be correct!  :)
8 0
3 years ago
Read 2 more answers
Can someone helps me with these 2 questions?
Firdavs [7]

3/5 = 75/x

75/3 = 25

5 x 25 = 125

3/5 = 75/125

Book has 125 pages

6 3/4 ÷ 4 1/2 = 1 1/2

1 1/2 times as long

6 0
4 years ago
Read 2 more answers
Jennifer stands on a sidewalk with her bicycle and notices the air is motionless. She then rides her bicycle north at a constant
SVETLANKA909090 [29]
B because if jennifer stands on a sidewalk with her bicycle u have to divide that by 7 multiply by 8
8 0
3 years ago
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