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SCORPION-xisa [38]
3 years ago
12

Express (root 19 - root 7)(root 19 + root 7) in simplest form.

Mathematics
2 answers:
r-ruslan [8.4K]3 years ago
7 0

Answer

root 354

Step-by-step explanation:

Svetllana [295]3 years ago
3 0

Answer:

12

Step-by-step explanation:

(√19 -√7)(√19 +√7)

( a +b)( a -b) = a²-b²

(√19)² -(√7)² = 19 -7 = 12

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A triangle has vertices (-1, 2), (3, 1), and (7.2). What is the approximate perimeter of the triangle? Round your answer to the
Inessa [10]

Answer

16.25

Step-by-step explanation: <em><u>To The Nearest Hundredth</u></em>

(-1, 2), (3, 1)

<u>√17</u>

(3, 1), (7, 2)

<u>√17</u>

(3, 1), (7, 2)

<u>√8</u>

So our answer is =

<u>8 + √17 + √17 = 16.25</u>

<u>hope it works for you!</u>

7 0
3 years ago
A line passes through the points (6, 2) and (5, 0). What is its equation in slope-intercept form?
Makovka662 [10]

Answer:

y = 2x - 10

Step-by-step explanation:

y2 - y1/ x2 - x1

0 - 2 / 5 - 6

= 2

y = 2x + b

2 = 2(6) +b

2 = 12 + b

-10 = b

The equation is y = 2x - 10

5 0
2 years ago
I need help with this please, could you explain so I can understand better please
MA_775_DIABLO [31]

Answer:

<3 and <6 is Alternate interior angles.

<4 and <5 is Alternate interior angles.

<2 and <7 is Alternate exterior angles.

<3 and <7 is Corresponding angles.

Hope this helps. :)

8 0
3 years ago
bill has earned 45,000 for the last two years. prior to that, bill earned 42,000 40,000 38,000 what's bills average income in th
Eddi Din [679]
(45000+45000+42000+40000+38000)/5=42000

4 0
3 years ago
Read 2 more answers
PLEASE!!!!!!!!Evaluate: -5m 2t when m=6, t= -2
garik1379 [7]

Answer:

120

Step-by-step explanation:

-5(6) 2(-2)

-5 x6 = -30. 2 x -2=-4

-30 x -4 = 120

the negatives cancel out :)

4 0
3 years ago
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