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Vaselesa [24]
3 years ago
5

Please please pleaseee help me on this :) it would be amazing

Mathematics
1 answer:
Semenov [28]3 years ago
3 0

Answer:

Turn off battery supply → The electromagnet turns off.

Place a magnet care inside the coil of wire → The strength of the electromagnet increases.

Change the direction in which the current flows → The poles of the electromagnet reverses

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The bill for a stay in a hotel was $129.60 including 8% tax. What was the original bill (without tax)?
svetlana [45]

Answer:

$119.23

Step-by-step explanation:

First, 8% of 129.60 is 10.37 (Rounded) so you would take 10.37 away from 129.60 to find the original bill.

I hope this helps :)

5 0
3 years ago
How do I divide that problem
Mrrafil [7]
First you would do 36/4 and get 9 then you would subtract the exponents 5-3 and the answer would be
    
9x to the second power
7 0
3 years ago
Which situations are modeled by linear functionspt.1​
nevsk [136]

<u>Answer:</u>

A. Nicole's hair grows at a rate of 1/2 in. per month.

B. Julian adds 5 laps to his swimming routine every week.

<u>Step-by-step explanation:</u>

We are given a number of situations and we are to figure out whether which of them can be modeled by a linear function.

To begin with, I would like to define in simple words what a linear function is.

A function which which produces a straight line graph is said to be a linear function.

Here, the following two situations can be modeled by linear function:

A. Nicole's hair grows at a rate of 1/2 in. per month.

B. Julian adds 5 laps to his swimming routine every week.

7 0
3 years ago
The components of a vector are Ax = –10 units and Ay = 8 units. What angle does this vector make with the positive x axis? g
Mandarinka [93]

Answer:

This vector make an angle of 141° with the positive x axis

Step-by-step explanation:

Refer the attached figure

Components of vector :

A_x=-10 \\A_y = 8

We are supposed to find  What angle does this vector make with the positive x axis

tan \theta =\frac{A_y}{A_x}\\tan \theta =\frac{8}{-10}\\\theta =tan^{-1}(\frac{8}{-10})\\\theta =tan^{-1}(\frac{8}{-10})=-38.65^{\circ}

Now ,

\alpha = 180-38.65=141.35^{\circ}

So, this vector make an angle of 141° with the positive x axis

7 0
3 years ago
Given the equation (x-a)^2(x-2)=x^3+bx^2+12x-72 find a and b
ivann1987 [24]
Isolate the variable by dividing each side by factors that don't contain the variable.

a=- \frac{ x^{2}- \sqrt{( x^{3} + x^{2} b+12x-72(x-2)-2x} }{x-2} ,- \frac{ x^{2}+ \sqrt{( x^{3} + x^{2} b+12x-72(x-2)-2x} }{x-2}

Solve for b by simplifying both sides of the equation then isolating the variable.

b= \frac{12}{x}+ \frac{72}{ x^{2} }-2+2a- \frac{4a}{x}+ \frac{ a^{2} }{x}- \frac{2a^{z} }{ x^{2} }

Hopefully i helped ^.^ Mark brainly if possible. Lol once again i saw the same question so why not answer it again!
 


3 0
3 years ago
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