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zvonat [6]
3 years ago
15

Plss solve this problem... will mark brainiest

Mathematics
2 answers:
larisa [96]3 years ago
8 0

Answer:

87.97m^3

Step-by-step explanation:

(cylinder)

V=\pi r^{2}h=\pi *2^{2}*6 ≈ 75.4m^3

(Cone)

V=\pi r^{2}\frac{h}{3} =\pi *2^{2}*\frac{3}{3} ≈ 12.57m^3

75.4+12.57= 87.97m^3

Sonja [21]3 years ago
5 0

Answer:

87.97 or 88

Step-by-step explanation:

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Help please im marking brainliest
Strike441 [17]

The surface area of the triangular prism is of 140 cm².

<h3>What is the surface area of a prism?</h3>

It is the sum of the areas of all faces of a prism. In this problem, the prism has these following faces:

  • One rectangle of dimensions 8 cm and 6 + 4 + 5 = 15 cm.
  • Two right triangles with sides 4 cm and 5 cm.

For a rectangle, the area is given by the multiplication of the dimensions, hence:

Ar = 8 x 15 = 120 cm²

For each right triangle, the area is given by half the multiplication of the sides, hence:

At = 2 x 0.5 x 4 x 5 = 20 cm².

Then the surface area of the prism is:

S = 120 cm² + 20 cm² = 140 cm².

More can be learned about surface area at brainly.com/question/28123954

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2 years ago
Jazziel bought a smart phone 5 years ago for $90. His sister paid 30% more for the same model. Show your work in the space provi
Ratling [72]

Answer:

B

Step-by-step explanation:

90/3=30

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3 years ago
Need some help with the answer to the question
kicyunya [14]

Answer:

(- 4, 27 )

Step-by-step explanation:

Equate the right sides of both equations, that is

x² - 2x + 3 = - 2x + 19 ← subtract - 2x + 19 from both sides

x² - 16 = 0 ← in standard form

(x - 4)(x + 4) = 0 ← in factored form

Equate each factor to zero and solve for x

x - 4 = 0 ⇒ x = 4

x + 4 = 0 ⇒ x = - 4

Substitute these values into f(x) = - 2x + 19

f(4) = - 2(4) + 19 = - 8 + 19 = 11 ⇒ (4, 11 )

f(- 4) = - 2(- 4) + 19 = 8 + 19 = 27 ⇒ (- 4, 27 )

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vesna_86 [32]
So you ate napkins before? And some turkey is dry lol
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3 years ago
Is reported is a linking verb or an action verb or a being verb need help ASAP 100 points
antoniya [11.8K]

Answer:

Action verb

Step-by-step explanation:

Reported is an action verb

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3 years ago
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