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Marianna [84]
3 years ago
12

sorry if i am asking a lot, totally suprised by this and dont know what to do and yall are great, i need to find X and Y with ex

act values and no decimals

Mathematics
2 answers:
My name is Ann [436]3 years ago
8 0
No estoy segura de cuál es la respuesta how no way
labwork [276]3 years ago
8 0

Answer:

x and y = 19

Step-by-step explanation:

sin 45/x = sin90/19\sqrt{2}

19\sqrt{2}×sin45=sin90x

x=19

Pythagorean theorem for y

y^{2}=(19\sqrt{2})^2 - 19^2

y^2= 722 - 361

y^2= 361

y=19

The answers seem kinda weird to me so...

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He coordinates of the vertices of a polygon are (−2, −2) , (−2, 3) , (2, 4) , (3, 1) , and (0, −2) .
Nitella [24]

Answer: The perimeter is 17.52


Step-by-step explanation:

1. You can plot the points, as you can see in the graph attached.

2. As you can see in the graph, the points are:

A(-2,-2)\\B(-2,3)\\C(2,4)\\D(3,1)\\E(0,-2)

And the lenghts <em>AB</em> and <em>EA</em> are:

AB=5

EA=2

3. To find the other lenghts, you can apply the formula for calculate the distance between two points:

distance=\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}

4. Thefore, you have:

BC=\sqrt{(2-(-2))^{2}+(4-3)^{2}}=4.12\\CD=\sqrt{(2-3)^{2}+(4-1)^{2}}=3.16\\DE=\sqrt{(3-0)^{2}+(1-(-2))^{2}}=4.24

5. The perimeter is:

P=AB+CD+DE+EA\\P=5+4.12+3.16+4.24+2\\P=17.52

7 0
3 years ago
Find the slope between (-2,-2) and (0,-3)
KATRIN_1 [288]

Answer:

Step-by-step explanation:

x1 y1 x2 y2

-2 -2 0 3

ΔY 5

ΔX 2

slope= 2 1/2

B= 3

Y =2.5X +3

5 0
3 years ago
Using suitable identity find 5.62 <br><br>− 0.32​
denpristay [2]

Answer:

5.62 - 0.32= 5.3 or 5.30

Step-by-step explanation:

4 0
3 years ago
Numbers like 10 100 1000 and so on are called what?
____ [38]
Well they are multiples of 10
4 0
3 years ago
Read 2 more answers
Find the value of x. 7, 8, and 9 please!
natima [27]

Answer:

7) x= 5, 8) x= 6, 9) x= 7

Step-by-step explanation:

As per the secant theoram, if two secant intersect outside the circle then the product of the exterior secant and total length of each secant are equal.

7) ∴ (x+3)\times 3= (10+2)\times 2

opening parethesis and distributing 3 with x and 3.

⇒ 3x+9=24

subtracting 9 on both side.

⇒ 3x=15

cross multiplying

∴ x= 5.

8) (3+5)\times 5= (x+4)\times 4

Opening parethesis and distributing 4 with x and 4.

⇒ 8\times 5=4x+16

⇒ 40=4x+16

subtracting 16 on both side.

⇒ 24=4x

cross multiplying

∴ x= 6.

9) (x+5)\times 5= (6+4)\times 6

opening parethesis and distributing 5 with x and 5.

⇒ 5x+25=60

subtracting 25 on both side.

⇒ 3x=35

cross multiplying

∴ x= 7.

6 0
3 years ago
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