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Darya [45]
3 years ago
8

50 POINTS PLZ HELP

Mathematics
2 answers:
SVETLANKA909090 [29]3 years ago
6 0

Move the decimal to the right by the number of zeros.

Since there are two zeros in 100, move the decimal 2 places to the right.

Brums [2.3K]3 years ago
3 0

Answer:

Move it to 2 place to the right

Step-by-step explanation:

4.003×100

=400.3

It can be observed that the dot in front of 4 has been shifted in two times to the front giving us 400.3

But in the case of division,it will be two places to the left...

I hope you understand

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Can y’all help me I have two more to go
scZoUnD [109]

Answer:

b

Step-by-step explanation:

you can use a calculator, or this way of thinking about it :

the sqrt of 49 is 7. so rt46 is too small, and rt51 may be too big. rt50 is closer to rt49 ( 7's square) than rt47. so it is rt50

7 0
3 years ago
What can you triple and then subtract by 7 to get -1
iVinArrow [24]

Answer:

2

Step-by-step explanation:

<em>let </em><em>the </em><em>number </em><em>be </em><em>x</em>

<em>The</em><em>n</em><em> </em><em>you </em><em>triple </em><em>the </em><em>x </em><em>and </em><em>minus </em><em>7 </em><em> </em><em>from </em><em>it </em><em>and </em><em>you </em><em>equate </em><em>it </em><em>to </em><em>-</em><em>1</em>

7 0
3 years ago
Please help! I've been working on this for a few days and I just don't understand, it's due in a few hours. Thank you.
never [62]

Answer:

Part A: α = arc tan (y/x) = tan⁻¹ (y/x)

Part B: quadrant II α = arc tan (- y/x) = arc (- tan (y/x)) = - tan⁻¹ (y/x) 180°>α>90°

            quadrant III α = arc tan (-y)/(-x) = arc tan (y/x) = tan⁻¹ (y/x) 270°>α>180°

            quadrant IV α = arc tan (- y/x) = arc (- tan (y/x)) = - tan⁻¹ (y/x) 360°>α>270°

Part C: quadrant II 180°>α>90°  α = tan⁻¹ (-6/1) = - tan⁻¹ 6 = 180° - 80.53° = 99.47°

Step-by-step explanation:

PART A:

In this case we will use trigonometric function tanα to calculate angle α:

tanα = y/x => α = arc tan (y/x) = tan⁻¹ (y/x)

This formula is use in general way and in first quadrant  90°>α>0°

Part B:

But in the other quadrants you must know to use unit circle to reduce angle from II, III and IV quadrant to the first quadrant.

If angle is in the quadrant II  180°>α>90° then

tanα = - tan (180°-α)

If angle is in the quadrant III  270°>α>180° then

tanα = tan (α-180°)

If angle is in the quadrant IV  360°>α>270° then

tanα =- tan (360°-α)

Part C:

vector w (x,y) = (-1,6) this vector lies in quadrant II      180°>α>90°

180°- α = tan⁻¹ (-6/1) = - tan⁻¹ 6 = 80.53°  => 180° - α = 80.53°

α = 180° - 80.53 = 99.47°

It's not easy to understand this, but it's not easy for me to explain.

God with you!!!

5 0
2 years ago
What is the y-intercept from the following?
prohojiy [21]

Answer:

the y intercept is -3

Step-by-step explanation:

if you need an explanation lmk!

3 0
2 years ago
Read 2 more answers
One-half the sum of x,y, and z
BabaBlast [244]
The keyword is "sum" which tells you x, y, and z are being added. One half of the sum means that the sum of the three numbers is going to be divided by 2.

x + y + z
------------
2
3 0
3 years ago
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