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dmitriy555 [2]
4 years ago
13

Factoring the difference of two squares x^2-1

Mathematics
2 answers:
IceJOKER [234]4 years ago
8 0
(X^2-1^2) (x-1)(x+1) I hope that is good!
andre [41]4 years ago
6 0
Difference of 2 perfect squres
if yo have
a^2-b^2 that equals (a-b)(a+b)

x^2-1^2=(x-1)(x+1)
tada
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An account earns simple interest.
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Answer:

1500/100 x 4 = 60

60 X 5 = 300

interest earned $ 300

total balance $1800

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3 years ago
For the following hypothesis test, where H0: μ ≤ 10; vs. HA: μ > 10, we reject H0 at level of significance α and conclude tha
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Type I error would occur

Step-by-step explanation:

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4 years ago
Perform the operation. Write your answer in scientific notation. 7×10^6-5.3×10^6​
Lady_Fox [76]
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3 years ago
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Find the lateral area of a right circular cone whose radius is 6 feet and height is 8 feet.
Dmitry_Shevchenko [17]

Answer:

we know that

[the lateral area of a right circular cone]=pi*r*l

where

r--------------> the radius of the circle part of the cone

l--------------> the side (slant height) of the cone

r=6 ft

h=8 ft

Step 1

find the slant height of the cone

which is determined by using Pythagoras, since the cross section is a right triangle.

l² = h²+ r²------------> l²=8²+6²-------> l²=64+36---------> l=10 ft

Step 2

find the lateral area

[the lateral area of a right circular cone]=pi*r*l--------> pi*6*10----> 188.4 ft²

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7 0
3 years ago
Emma wants to build a fence around the perimeter of her lawn. Each foot of fence costs $2. The rectangular lawn has an area of 3
AlladinOne [14]

Answer:

\$160

Step-by-step explanation:

To find the cost of the entire fence, we need to first determine the lawn's length before calculating its perimeter.

Area of rectangular lawn = lw (formula for the area of a rectangle)

364=14l

l=26 feet

Now that we have the lawn's length and width, we can calculate the perimeter:

Perimeter = 2l+2w (formula for the perimeter of a rectangle)

=2(26)+2(14)

=80 feet

Since each foot of lawn costs $2, then the cost of the entire fence will be:

80\times2 = \$160

∴ The entire fence costs \$160.

Hope this helps :)

3 0
3 years ago
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