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3 years ago

What did the Salesman at the compass factory say

Mathematics

1 answer:

Cloud [144]3 years ago

4 0

He said, let me show you arround

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There are40 yellow and blue in a bag.there are 4 times as many blue marble as yellow marbles. how many yellow marbles are there?

Elodia [21]

4 units = blue
1 unit = yellow

total: 5 units = 40

1 unit = 40 ÷ 5 = 8

yellow: 8
blue: 8×4 = 32

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3 years ago

In a company, 75% of the workers are women . If 1,475 people work for the company who aren't women , how many workers are th

Papessa [141]

Answer:

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Step-by-step explanation:

rgefduwrguiurghiugrhigrhiugrhiughvuihriugfuiiugriugrhu

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3 years ago

I have another Brainliest

strojnjashka [21]

Answer: “A” Opportunity cost is “the value of an investment opportunity you pass up in order to take another investment opportunity .” It’s pretty much the sacrifice you make to do something else.
Ex. To earn volunteer hours, Billy decided not to go to Bob’s birthday party.

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3 years ago

A force of 8 N makes an angle of π/4 radian with the y-axis, pointing to the right. The force acts against the movement of an ob

Grace [21]

Answer:

a) F= 4 $\sqrt{2}$ i + 4 $\sqrt{2}$ j

b) Θ=11.3

c) The work done is 20 $\sqrt{2}$

Step-by-step explanation:

a) ||F||=8, α=π/4

Fx=||F||·sin(π/4)=8· $\frac{\sqrt{2}}{2}$

Fy=||F||·cos(π/4)=8· $\frac{\sqrt{2}}{2}$

F=Fx i + Fy j = 4 $\sqrt{2}$ i + 4 $\sqrt{2}$ j

b) We can find the value of Θ using the equation:

cos(Θ)= $\frac{F.D}{||F||||D||}$

where:

D= 3 i + 2 j

F=4 $\sqrt{2}$ i + 4 $\sqrt{2}$ j

The dot product is defined as the sum of the products of the components of each vector as:

F · D= $(4\sqrt{2})*3+(4\sqrt{2})*2=20\sqrt{2}$

||F||= 8

||D||= $\sqrt{3^2+2^2} =\sqrt{13}$

Hence:

Θ=arccos( $\frac{20\sqrt{2} }{8\sqrt{13} }$ )

Θ=arccos(0.981)

Θ= 11.3°

c) Work is equal to:

F · D= $(4\sqrt{2})*3+(4\sqrt{2})*2=20\sqrt{2}$ =28.3

Other way of obtainig the work is:

||F||||D||cos(Θ)

where:

||F||= 8

||D||= $\sqrt{3^2+2^2} =\sqrt{13}$

Θ=11.3°

So, ||F||||D||cos(Θ)=8× $\sqrt{13}$ ×cos(11.3°)=28.3

3 0

3 years ago

PLS HELP NOW ! WILL MARK BRAINLIEST AND 5 STARS

Paraphin [41]

Answer:

x = 45/4

Step-by-step explanation:

2x - 3/4 + x = 2x + 3/2 + 9

- 3/4 + x = 3/2 + 9

- 3/4 + x = 21/2

x = 21/2 + 3/4

x = 45/4

8 0

3 years ago