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bulgar [2K]
3 years ago
12

4.5w=5.1w-30, how do I solve it

Mathematics
2 answers:
Gala2k [10]3 years ago
5 0
First you have to get the same variables on one side so you’d subtract 5.1w from both sides, making the equation -0.6w = -30

then you want to single out the variable, diving -0.6 on both sides making the new equation and the answer w = 50

hope this helps!
mina [271]3 years ago
5 0
Hey there!

Let's subtract by 5.1w on EACH of your sides that we're working with

LIke: 4,5w - 5.1w \\ = 5.1w - 30 - 5.1w 

We get: -0.6w = -30

Now, let's divide by -0.6 on EACH of your sides

LIke: \frac{-0.6w}{-0.6} 
\\ \\ =  \frac{-30}{-0.6}

Answer: w = 50

Good luck on your assignment and enjoy your day!

~MeIsKaitlyn:)
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Step-by-step explanation:

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Trava [24]

Answer:

  1. Cos 45=6/x

x=6/cos 45=6√2

x=6√2

tan 45=y/6

y=tan45 ×6

y=6

2.

sin 60=y/10

y=sin60×10

y=5√3

again

Cos 60=x/10

x=½×10

x=5

3.

Sin 45=x/5

x=1/√2×5 or

x=5√2/2

again

y=5√2/2 or 5/√2[base angle of right angled isosceles triangle]

4.

Sin 30=8/x

½×x=8

x=8*2

x=16

again

cos 30= y/x

√3/2×16=y

y=8√3

5.

sin 60=7/x

x=7/[√3/2]

x=14/√3 or 14√3/3

again

cos 60=y/x

½×14√3/3=y

7√3/2=y

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<u>N</u><u>o</u><u>t</u><u>e</u><u>:</u>

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lara [203]
Using Pythagoras in the first question
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Mark the statements that are true. A. An angle that measures π/4 radians also measures 45°. B. An angle that measures 180° also
FinnZ [79.3K]

Answer:

  TRUE: A, B, C

  False: D

Step-by-step explanation:

A full circle of 360° has a radian measure of 2π radians. The relationship is proportional, so π radians is 180°.

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A. An angle that measures π/4 radians also measures 45°. TRUE

  45° × π/180° radians = π/4 radians

B. An angle that measures 180° also measures π radians. TRUE

  180° × π/180° radians = π radians

C. An angle that measures 60° also measures π/3 radians. TRUE

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D. An angle that measures π/3 radians also measures 30°.​ FALSE

  30° × π/180° radians = π/6 radians

5 0
1 year ago
Solve 4m plus 2n equals 5n for m.
RSB [31]

Answer:

m = (3/4) n

Step-by-step explanation:

4m + 2n = 5n

The subtraction property of equality states that we can subtract 2n from both sides to isolate the m and its coefficient to get

4m = 3n

The division property of equality states that we can divide 4 from both sides to isolate only the m (we divide by 4 because anything divided by itself equals 1) to get

m = (3/4) n

4 0
2 years ago
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