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serg [7]
3 years ago
11

0.7070707070 is an irrational number

Mathematics
1 answer:
zaharov [31]3 years ago
6 0
False irrationals number have no end with no patterns (example would be pi)
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If f(x) = –4x2 – 6x – 1 and g(x) = –x2 – 5x + 3, find (f – g)(x).
Leokris [45]
(-4x^2 -6x -1) - (-x^2 -5x +3) = -3x^2 - x - 4
5 0
3 years ago
Read 2 more answers
To get to work each morning, Emily takes a horse 10.98 kilometers and a bike 4.06 kilometers.
insens350 [35]

Answer:

It's not enough information. What's the question?

Step-by-step explanation:

6 0
2 years ago
Abby needs 8.75 bags of carrots two times a month to feed the horses. How many bags will she need to feed the horses for 7 month
8090 [49]

Answer:

122.5

Step-by-step explanation:

take 8.75 multiply it by 2 then multiply it by 7 to get your answer 122.5

5 0
2 years ago
Please help I don’t know how to solve these... can anyone explain? I’m desperate
Elenna [48]

Answer:

1.) 16.5

2.) 24.2 ft

3.) 10.8 ft

Step-by-step explanation:

1.) So first you need to use Heron's formula

S = (A + B + C)/2

So

S = (17 + 17 + 8)/2

S = 21

Now

Area  = \sqrt{S(S - A)(S-B)(S-C)}

So

\sqrt{21(21-17)(21-17)(21-8)}

So the Area is equal to 66.1

Now to find the height we use the Area of the triangle formula

A = 1/2 B*H

66.1 = 1/2(8) * H

66.1 = 4H

H = 16.525

So the height of the triangle is 16.5 units tall

2.) For this question you just use the Pythagorean theorem.

a² + b² = c²

So 22² + 8² = c²

484 + 64 = c²

548 = c²

\sqrt{584} = c

c = 24.1660919472 ft

So the length of the wire is 24.2 ft long

3.) Again this is the Pythagorean theorem.

a² + b² = c²

So 10² + 4² = c²

100 + 16 = c²

116 = c²

\sqrt{116} = c

c = 10.7703296143 ft

So the length of the banner is 10.8 ft long

7 0
2 years ago
Expand this expression (x-y)²<br>​
pochemuha

Answer:

x^2 - 2xy + y^2.

Step-by-step explanation:

(x - y)^2

= (x - y)(x - y)

= x(x -y) - y(x - y)

= x^2 - xy - xy + y^2

= x^2 - 2xy + y^2.

8 0
2 years ago
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