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antiseptic1488 [7]
2 years ago
15

I need a lil help here (18 points!!!!!)

Mathematics
2 answers:
GenaCL600 [577]2 years ago
4 0

Answer:

correct answer is 2

............................

mestny [16]2 years ago
3 0

Answer U4

Step-by-step explanation:

blank is 4

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Evaluate 2d+3 when d =8
Snezhnost [94]

Answer:

19

Step-by-step explanation:

2(8) + 3

16 + 3

19

7 0
3 years ago
UURGENTTT PLLZ HELP WILL MARK AS BRANLIEST!!!
lapo4ka [179]

Answer:

Surface area of the wood to be painted =  (r^{2} + r \sqrt{h^{2} + r^{2}  } )\pi - 16\pi

Step-by-step explanation:

Surface area of a cone is given as the sum of the surface area and the area of its base.

     i.e    Surface area = \pir^{2} + \piLr

where: L is the length of its slant height and r is the radius.

Applying the Pythagoras theorem,

                        L = \sqrt{h^{2} + r^{2}  }

Thus,

                Surface area  =  \pir (r + \sqrt{h^{2} + r^{2}  } )

The given cylindrical hole has a radius of 4 cm and depth 2 cm.

The area of one of its circular surfaces = \pir^{2}

                                                   = \pi × (4)^{2}

                                                   = 16\pi cm^{2}

The surface area of the piece of wood to be painted = surface area of cone - area of cylindrical circular surface.

Surface area of the wood to be painted = \pir (r + \sqrt{h^{2} + r^{2}  } ) - 16\pi

7 0
3 years ago
MJ solved the equation -5x - 16 = 5
Andrei [34K]

Answer:

Step-by-step explanation: He add 16 together you are not suppose to add 16 you are suppose to add 5 together so instead of 16 + 16 you do 16+ 5

3 0
3 years ago
The MoviePlex theater sold 1,456 tickets. The theater sold 6 times as many regular price tickets as it sold discount tickets. Ma
Lady bird [3.3K]

Jonah is the one that is correct because 1/6th of 1248 is 208. Then you add 1248 and 208 which is 1456 which is the correct answers

5 0
3 years ago
Please answer and explain!!
alexandr1967 [171]

Answer:

Step-by-step explanation:

The two triangles are congruent.

∠L ≅ ∠ B            Given

LN ≅ BZ              Given

∠N ≅∠Z               Given

ΔLNM ≅ ΔBZA     Angle Side Angle congruent

6 0
2 years ago
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