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Anna007 [38]
4 years ago
11

TIMED UNIT TEST

Mathematics
2 answers:
Ymorist [56]4 years ago
7 0

Answer:

distributive property

koban [17]4 years ago
7 0
Distributive property
because you can move the numbers around to get your answer
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Can you guys help me with this angle problem for Geometry tysm
steposvetlana [31]

Answer:

You need to solve for x

Step-by-step explanation:

3x + 5 + 10x - 7 = 180

13x + 5 - 7 = 180

13x - 7 = 175

13x = 182

x = 14

Plug in x

3(14) + 5 for QRT and 10(14) - 7 for TRS

QRT = 47 and TRS = 133

7 0
4 years ago
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What is sin ? <br>What is a cos?
erik [133]

Answer:

Cos: adjacent / hypotenuse

In a right angled triangle, the cosine of an angle is: The length of the adjacent side divided by the length of the hypotenuse. The abbreviation is cos. cos(θ) = adjacent / hypotenuse. Well Done!

Sin: In mathematics, the sine is a trigonometric function of an angle. The sine of an acute angle is defined in the context of a right triangle: for the specified angle, it is the ratio of the length of the side that is opposite that angle, to the length of the longest side of the triangle.

hope this helps out, if not, i'm sorry

Step-by-step explanation:

6 0
3 years ago
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Describe the steps you would take to solve the given literal equation for m as shown.
solniwko [45]
T = 2\pi \sqrt{m/k}

1. Divide both sides by 2\pi
--> t / 2\pi = \sqrt{m/k}

2. Square both sides
--> t^{2} / 4\pi^{2} = m / k

3. Multiply both sides by k
--> m = kt^{2} / 4\pi ^{2}
3 0
3 years ago
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Kiley, Jermaine, and Gunther are playing tug-of-war. Kiley and Jermaine are on the same side of the rope, and Gunther is on the
Naya [18.7K]

First we define a reference system.

Let's assume the horizontal axis as positive towards the right.

Suppose Kiley and Jermaine pull the rope to the left, while Gunther pulls the rope to the right.

The equilibrium equation is given by:

-20 - 25 + F = 0

Where,

F: force with which Gunther pulls the rope.

Clearing F we have:

F = 20 + 25\\F = 45

The positive sign indicates that Gunther pulls to the right.

Answer:

A force that would result in a balanced force for the game is:

F = 45 N

6 0
4 years ago
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There are 100 apartments in Brenna's building. The number of apartments per floor is equal to 4 times the number of floors in th
My name is Ann [436]

Answer:

Step-by-step explanation:

Let the number of floors  = x

Number of apartments per floor = 4x

4x *x = 100

4x² = 100

x² = 100/4

x² = 25

x =√25

x = 5

Number of apartments on each floor = 4*5 = 20

7 0
3 years ago
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