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ElenaW [278]
3 years ago
7

A, B, C, or D? and an explanation

Mathematics
2 answers:
Anestetic [448]3 years ago
5 0
The answer would be d
Amanda [17]3 years ago
4 0

Answer:

A

Step-by-step explanation:

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Please help <br> I need this today :(
yuradex [85]

Step-by-step explanation:

Use COS method (Cos Angle = adjacent/hypotenuse)

given adjacent = 14 ft

hypotenuse = 67 ft

\cos(x)  =  \frac{adjacent}{hypotenuse}  \\  \cos(x)  =  \frac{14}{67}  \\ x =  {cos}^{ - 1} ( \frac{14}{67} ) \\  = 78 \: deg(nearest \: degree)

5 0
3 years ago
Find a b if a = 3i + 8j and b = -0.5i -4j.
Gekata [30.6K]

Answer:

-33.5

Step-by-step explanation:

So this is a dot products vector problem, so the i and j represent x and y or horizontal and vertical components. So you multiple 3i and -0.5i and then separately multiply 8j and -4j. You get -1.5 and -32. Now all you have to do is add them and you get -33.5.

Basically in short:

1. Multiply the “i’s”.

2. Multiply the “j’s”.

3. Add the two products together.

HOPE THIS HELPS !! :-)

3 0
3 years ago
Read 2 more answers
In the rhombus, angle 1 = 10x, angle 2 = x + y, and angle 3 = 15z. Find the value of each variable. 2 1​
cupoosta [38]

The values of the variables x, y and z are; 9, 81 and 6 respectively

<h3>Rhombus Diagonals</h3>

According to the question;

  • All sides of the Rhombus are equal.

Hence, the Diagonals of the Rhombus are perpendicular bisectors of each other.

Therefore,

Angles 1, 2 and 3 are all equal to 90°, so that we have;

  • 10x = 90°

x = 9°

  • x + y = 90, where x=9

  • 9 + y = 90

y = 81°

  • 15z = 90

z = 6°

Read more on Rhombus Diagonals;

brainly.com/question/20627264

8 0
2 years ago
Please help <br><br><br> marking brainlist
slamgirl [31]
B. If they are congruent
7 0
3 years ago
How too solve for x 5x+8
lions [1.4K]
I don't think you can solve for x unless they give you what that equation equals (for example 5x+8=7)

I'm pretty sure that is as simplified as it can be
3 0
4 years ago
Read 2 more answers
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