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mash [69]
3 years ago
8

Help if you can! no links please :)

Mathematics
1 answer:
Alika [10]3 years ago
6 0

Answer:5/12

Step-by-step explanation:

You might be interested in
Keveni can travel 221/2 miles in 1/3 hours what is his average speed in miles per hour
Alborosie

So I have 2 answers here they are.

key: 1/3hours =20 min

221÷2=110.5÷20=5.525

221.5÷20=11.075

I hope this helps!

6 0
3 years ago
A 2D vector can have a component equal to zero even when its magnitude is nonzero.
lys-0071 [83]

Answer:

T F F F T F T

Step-by-step explanation:

A 2D vector can have a component equal to zero even when its magnitude is nonzero. TRUE.

it will be actually a 1d vector, but it's still a 2d vector too. this happens when the vector it's aligned to one of the axis.

The direction of a vector can be different in different coordinate systems. FALSE

The direction of a vector is independent of any coordinate system.

A 2D vector can have a magnitude equal to zero even when one of its components it nonzero. FALSE.

because the only way \sqrt{x^{2} +y^{2} } =0 is that both x and y are equal to zero

The magnitude of a vector can be different in different coordinate systems. FALSE.

The magnitude stays the same in every coordinate system

It is possible to multiply a vector by a scalar. TRUE.

it changes only it's magnitude.

It is possible to add a scalar to a vector. FALSE.

you can´t sum elements of diferent spaces. R, R^{2}, etc

The components of a vector can be different in different coordinate systems.TRUE.

The components of a vector are just a way for identifying the vector, in a determinate coordinate system, the way i call those components will change as I change the name I call every point in the plane.

5 0
3 years ago
What is the value of x in the diagram below?
viva [34]
X= 105
explanation:
45+30=75
180-75= 105
4 0
3 years ago
If the area of triangle ABC= 25 square feet, then the area of the rectangle ABCD is:
UkoKoshka [18]
A rectangle has 2 triangle
∴ 25 feet² × 2 = 50 feet²
5 0
4 years ago
Read 2 more answers
Please answer correctly !!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!
katrin2010 [14]

Answer:

9

Step-by-step explanation:

Pythagorean Theorem

a²+b²=c²

(c² is the hypotenuse)

a² + 40² = 41²

a² + 1,600 = 1,681

subtract 1681-1600 in order to isolate a², which is the missing leg we are trying to find

a² = 81 in order to find our answer, we isolate a by squaring both sides

√a² = √81

a = 9

Our answer is 9.

6 0
3 years ago
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