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Anastasy [175]
3 years ago
5

5. Solve this system of equations for both x and y! 0/1 1/2x + 6y = 12 y = x + 15

Mathematics
1 answer:
Alja [10]3 years ago
6 0
I got x=-12 and y=3
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Find the volume of these rctangular prisms length=6.4mm width=2.5mm hight=7mm<br> step by step pls
Soloha48 [4]

Answer:

The volume of this rectangular prism is 112mm.

Step-by-step explanation:

volume \:  =  \: length \times width \times height \\ v = 6.4mm \times 2.5mm \times 7mm \\ v = 112mm

4 0
2 years ago
What is the mean set of numbers -3, -2,0,3,17
Elan Coil [88]

I think its 2

Just give me a like

6 0
3 years ago
Read 2 more answers
Which statement describes the polygon?
loris [4]
C.
The polygon is both<span> equilateral and equiangular.</span>
8 0
4 years ago
In ΔWXY, the measure of ∠Y=90°, XW = 53, YX = 28, and WY = 45. What is the value of the cosine of ∠X to the nearest hundredth?
kotegsom [21]

The value of ∠X = 58.11°, If ΔWXY, the measure of ∠Y=90°, XW = 53, YX = 28, and WY = 45.

Step-by-step explanation:

The given is,

                   In ΔWXY, ∠Y=90°

                        XW = 53

                         YX = 28

                        WY = 45

Step:1

             Ref the attachment,

             Given triangle XWY is right angled triangle.

             Trigonometric ratio's,

                              Cos ∅  = \frac{Adj}{Hyp}    

             For the given attachment, the trigonometric ratio becomes,

                              Cos ∅  = \frac{XY}{XW}.....................................(1)

             Let, ∠X = ∅

             Where, XY = 28

                         XW =  53

             Equation (1) becomes,

                                 Cos ∅  = \frac{28}{53}

                                 Cos ∅ = 0.5283

                                        ∅ = cos^{-1} (0.5283)

                                        ∅ = 58.109°

Result:

          The value of ∠X = 58.11°, If ΔWXY, the measure of ∠Y=90°, XW = 53, YX = 28, and WY = 45.

             

4 0
3 years ago
Jack wants to know how many families in his small neighborhood of 60 homes would help organize a neighborhood fund-raising party
seraphim [82]

hello,


Jack wants to know how many families in his small neighborhood of 60 homes would help organize a neighborhood fund-raising party. He put all the addresses in a bag and drew a random sample of 30 addresses. He then asked those families if they would help organize the fund-raising party. He found that 12% of the families would help organize the party. He claims that 12% of the neighborhood families would be expected to help organize the party. Is this a valid inference?


Yes, this is a valid inference because the 30 families speak for the whole neighborhood


it's the correct one because if he ask 30 families so they talk to their neighborhood so its will be 60 ;) so its correct,


hope this help


7 0
3 years ago
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