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Wittaler [7]
3 years ago
12

Please help due in 10 minutes

Mathematics
2 answers:
Shkiper50 [21]3 years ago
6 0

Answer:

I got B or number 2

Step-by-step explanation:

aleksandr82 [10.1K]3 years ago
5 0

Answer

(5-5)x

Step-by-step explanation:

the rest of the equal -5(x-1) and this one equals 0

so D

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Test each statement below to see if it is reversible. If so, write it as a true biconditional. If not, write not reversible
FinnZ [79.3K]
Statement: Complementary angles are two angles with measures that have a sum of 90.
Reverse: Two angles with measures that have a sum of 90 are complementary angles.

Here the reverse is true, therefore, the statement is true biconditional.

Statement: A rectangle is a four-sided figure with at least one right angle.
Reverse: A four sided figure with at least one right angle is a rectangle.

Here, the reverse is not true, therefore, the statement is not reversible.
3 0
3 years ago
Read 2 more answers
Find the dot product of the position vectors whose terminal points are (14, 9) and (3, 6).
erma4kov [3.2K]

Answer:

Step-by-step explanation:

The formula for the dot product of vectors is

u·v = |u||v|cosθ

where |u| and |v| are the magnitudes (lengths) of the vectors. The formula for that is the same as Pythagorean's Theorem.

|u|=\sqrt{14^2+9^2} which is \sqrt{277}

|v|=\sqrt{3^2+6^2} which is \sqrt{45}

I am assuming by looking at the above that you can determine where the numbers under the square root signs came from. It's pretty apparent.

We also need the angle, which of course has its own formula.

cos\theta=\frac{uv}{|u||v|} where uv has ITS own formula:

uv = (14 * 3) + (9 * 6) which is taking the numbers in the i positions in the first set of parenthesis and adding their product to the product of the numbers in the j positions.

uv = 96.

To get the denominator, multiply the lengths of the vectors together. Then take the inverse cosine of the whole mess:

cos^{-1}\theta=\frac{96}{111.64676} which returns an angle measure of 30.7. Plugging that all into the dot product formula:

u*v=\sqrt{277}*\sqrt{45}cos(30.7) gives you a dot product of 96

6 0
3 years ago
Perform the operation and reduce the answer fully. 3/4 + 1/10
Assoli18 [71]

Answer:

17/20

Step-by-step explanation:

8 0
3 years ago
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The thing is in the picture​
vitfil [10]
The answer should be C 20
6 0
2 years ago
Solve the following system of equations graphically on the set of axes below. Y=-1/2x +1 and y=x-5
Goshia [24]

Answer:

-1/2x+1=x-5

x=4

y=-4/2+1

y=-2+1

y=-1

(x,y)=(4,-1)

7 0
3 years ago
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