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wel
3 years ago
13

A rectangular swimming pool has a length of l yards and a width 5 yards less than its length. How much does it cost to border th

e outside of
the pool using 1-yard square tiles that cost $4 each?
o (161 – 40) dollars
(161 – 24) dollars
(42–6) dollars
(161 - 20) dollars
8 of 15 answered
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Mathematics
1 answer:
horsena [70]3 years ago
8 0

Answer:

i need a bad bleep

Step-by-step explanation:

lol

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Which underfined term is used to define an angle?
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From the term line the term angle can be defined because when two lines intersect at a point an angle is formed. An angle is defined as a figure which is formed when two lines intersect each other at a point. ... Therefore, the undefined term which is used to define the term an angle is line.

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2 years ago
26s? + 33<br> Submit<br> Hzhjskapskdjsjababah
kipiarov [429]

Answer:

59

Step-by-step explanation:

just add the 2 and you should get 59

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2 years ago
If you have a cubic polynomial of the form y = ax^3 + bx^2 + cx + d and lets say it passes through the points (2,28), (-1, -5),
Marrrta [24]

Answer:

a = 3

b = 2

c = 0

d = -4

Step-by-step explanation:

Form 4 equations and solve simultaneously

28 = a(2)³ + b(2)² + c(2) + d

28 = 8a + 4b + 2c + d (1)

-5 = -a + b - c + d (2)

220 = 64a + 16b + 4c + d (3)

-20 = -8a + 4b - 2c + d (4)

(1) + (4)

28 = 8a + 4b + 2c + d

-20 = -8a + 4b - 2c + d

8 = 8b + 2d

d = 4 - 4b

Equation (2)

c = -a + b + d + 5

c = -a + b + 4 - 4b+ 5

c = -a - 3b + 9

28 = 8a + 4b + 2c + d (1)

28 = 8a + 4b + 2(-a - 3b + 9) + 4 - 4b

28 = 6a - 6b + 22

6a - 6b = 6

a - b = 1

a = b + 1

220 = 64a + 16b + 4c + d (3)

220 = 64(b + 1) + 16b + 4(-b - 1 - 3b + 9) + 4 - 4b

220 = 60b + 100

60b = 120

b = 2

a = 2 + 1

a = 3

c = -3 - 3(2) + 9

c = 0

d = 4 - 4(2)

d = -4

8 0
3 years ago
Read 2 more answers
Picture is question help!!!!!!!!!!!!!!
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The correct answer is 1 mm Hg per year.
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3 years ago
The thickness of a block is approximately 2 centimeters. How many blocks are in a stack that is 1,000 millimeters high? ( 1 cm =
dangina [55]

Answer:

1block=2cm

1cm=10mm

therefore 1block=2×10=20

1000÷20=50

=50blocks

5 0
3 years ago
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