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Marta_Voda [28]
3 years ago
7

WILL GIVE BRAINLY Can someone tell me which property each belongs to?

Mathematics
1 answer:
Sliva [168]3 years ago
4 0
A- distributive
B-commutative??
C-identity??
D-associative
E-zero product
F-commutative??
G- zero product
H-distributive??

I hope these are correct. Please let me know!!
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Which of the following is NOT a variation of a Pythagorean identity?​
Ipatiy [6.2K]

The expression that is not a variation of the Pythagorean identity is the third option.

<h3>What is the Pythagorean identity?</h3>

The Pythagorean identity can be written as:

sin^2(x) + cos^2(x) = 1

For example, if we subtract cos^2(x) on both sides we get the second option:

sin^2(x) = 1 - cos^2(x)

Which is a variation.

Now, let's divide both sides by cos^2(x).

sin^2(x)/cos^2(x) + cos^2(x)/cos^2(x) = 1/cos^2(x)\\\\tan^2(x) + 1 = sec^2(x)\\\\tan^2(x) - sec^2(x) = -1

Notice that the third expression in the options looks like this one, but the one on the right side is positive. The above expression is in did a variation of the Pythagorean identity, then the one written in the options (with the 1 instead of the -1) is incorrect, meaning that it is not a variation of the Pythagorean identity.

Concluding, the correct option is the third one.

If you want to learn more about the Pythagorean identity, you can read:

brainly.com/question/24287773

3 0
3 years ago
Use vector operations to draw the resultant vector
GuDViN [60]

Answer:

Draw an arrow from the origin to (4, 0)

Step-by-step explanation:

u-v+w

= <-3, -4> - <-4, -1> + <3, 3>              

= <4, 0>

6 0
3 years ago
Please help me with the online work !!!!!!!!!!!!!! acellus
Viktor [21]

Answer:

240 cm², A = 300 cm², and 540 cm²

Step-by-step explanation:

1) The area of a parallelogram is A = bh, so:

A = (20)(12)

A = 240 cm²

2) Similarly, the area of a rectangle is A = bh, so:

A = (15)(20)

A = 300 cm²

3) The composite area is the sum of both the rectangle's area and the parallelogram's area, so:

240 cm² + A = 300 cm² = 540 cm²

3 0
3 years ago
Read 2 more answers
Find the dot product of two vectors if their lengths are 4 and 1/2 and the angle between them is π/4.
Luba_88 [7]
The dot product is a technique that solves the resultant vector through the use of matrices. Since we have no coordinates, we can't use matrices. However, we can still solve the resultant vector (red line) through cosine law. The solution is as follows:

R² = 4² + (1/2)² - 2(4)(1/2)(cos π/4)
R = √13.42
R = 3.66

The resultant vector has a magnitude of 3.66.

4 0
3 years ago
Amy has a collection of dimes and quarters. If the expression
Soloha48 [4]

Answer:

the value of the dimes

Step-by-step explanation:

7 0
3 years ago
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