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Hunter-Best [27]
3 years ago
12

A steel hex nut has two regular hexagonal faces and a hole with a diameter of 0.4 cm through the middle. Its mass is 3.03 grams.

Complete the steps to calculate the density of the steel. Calculate the volume of the prism. Recall that the area of a hexagon is times the apothem times the perimeter. V = cm3 Calculate the volume of the cylinder. Round to the nearest hundredth. V = cm3 Find the volume of the composite figure. V = cm3 Calculate the density by dividing the mass by the volume. d = g/cm3
Mathematics
2 answers:
Minchanka [31]3 years ago
8 0

Answer:

1. B

2. A

3. A

4. C

Step-by-step explanation: Got it right on e{dg}enuity.

marin [14]3 years ago
7 0
1.V = 0.45cm^3

2.V = 0.06cm^3

3.V = 0.39cm^3

4.D = 7.77g/cm^3
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Please help me! :) !!!!!!!!!!!!!!!!!
Novosadov [1.4K]

Answer:

x=17

Step-by-step explanation:

Since the triangles are congruent, the angles are equal

I≅ P  

3x+4 = 72-x

Add x to each side

3x+4+x = 72-x+x

4x+4 = 72

Subtract 4 from each side

4x+4-4 = 72-4

4x= 68

Divide by 4

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7 0
3 years ago
Help me Please! Find the volume and surface area for all.
HACTEHA [7]

Answer:

V =41.41³

A = 94.41²

----

V =225.16³

SA =283.25²

----

V = 64³

SA =113.32²

----

V =433.33³

SA = 378.57²

Step-by-step explanation:

Picture 2 = a = 1/2 base = 3.5 x 3.5 = 12.25  b= 5 x 5 = 25

c²= a² + b² = 3.5² + 5²

c ²= √12.25 + √25

c ²= √ 37.5 = 6.12372435696

c ² = 6.1237   missing side

Picture 1 + 2  formula SA = bh + (s1 + s2 + s3)H

V =  V= 1/2 b x h  h x SA

Picture 3 + 4  formula SA= a²+ 2a   a² / 4 + h²    V= a²  h/3

5 0
3 years ago
Evaluate the function f(x)=4x^2-10+2 find f(-7)
likoan [24]

Answer:

188

Step-by-step explanation:

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= 4(-7)² - 10 + 2

= 4 (49) - 10 + 2

= 196 - 10 + 2

= 188

3 0
3 years ago
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DiKsa [7]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Set of all numbers greater or equal to -8 but less than 9
Sedaia [141]

Answer:

Could you give more detail?

7 0
2 years ago
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