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gregori [183]
3 years ago
15

Help!! 40 points!

Mathematics
1 answer:
KIM [24]3 years ago
3 0

Answer:

Y =(5,4)

W= (2,1)

Z = (5,1)

Step-by-step explanation:

Creating a square with length 3 units

Let (2,4) be point x

-Keep 4 constant and add 3 to 2 on x Cartesian we SharePoint y (5,4)

-To derive Point w keep 2 constant and minus 3 from 4 we have Point w (2,1)

- to derive Point z , keep 1 constant on the y Cartesian and add 3 to 2 which gives Point z (5,1).

Check attachment below

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ivolga24 [154]
I conclude it is C 25.
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3 years ago
Find tan(450-a), If <br><img src="https://tex.z-dn.net/?f=%20%5Ctan%28a%29%20%3D%20%20%5Cfrac%7B1%7D%7B2%7D%20" id="TexFormula1"
Inessa05 [86]

Answer:

tan(450-a)=5\sqrt{3}-8

Step-by-step explanation:

We know that:

tan(a-b)=\frac{tan(a)-tan(b)}{1+tan(a)tan(b)}

tan(450-a)=\frac{tan(450)-tan(a)}{1+tan(450)tan(a)}

Remember:

450°=360°+60°

and:

tan(a)=\frac{1}{2}

Thus:

tan(450-a)=\frac{tan(60)-tan(a)}{1+tan(60)tan(a)}\\\\

Then:

tan(450-a)=5\sqrt{3}-8

4 0
2 years ago
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3 0
3 years ago
Segment PQ has a midpoint of E. If PE=4x-3 and 6x+2, what is the value of x ?
topjm [15]

Answer:

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Step-by-step explanation:

7 0
3 years ago
The ratio between the radius of the base and the height of the cylinder is 2:3.if its volume is 1617cm^3,the total surface area
zalisa [80]
The answer is 769.3 cm²

The volume of the cylinder is : V = π r² h
<span>The ratio between the radius of the base and the height of the cylinder is 2:3:
r/h = 2/3
h = 3/2r

V = 1617 cm
</span>π = 3.14

1617 = πr² * 3/2 r
1617 = πr³ * 3/2
1617 * 2/3 = πr³
1078 = πr³
r³ = 1078/π = 1078/3.14 = 343
r = ∛343 = 7 cm

h = 3/2r = 3/2 * 7 = 10.5 cm


The surface area of the cylinder is:
SA = 2πr² + 2πrh
      = 2 * 3.14 * 7² + 2 * 3.14 * 7 * 10.5
      = 307.72 + 461.58
      = 769.3 cm²
5 0
3 years ago
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