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3 years ago

Jackie says that if a solid figure cannot roll then it has faces. is jackie correct?

Mathematics

2 answers:

zlopas [31]3 years ago

5 0

Yes Jackie is correct

Karolina [17]3 years ago

4 0

Answer: No, Jackie is incorrect.

Step-by-step explanation:

Assume Jackie's statement true that "if a solid figure cannot roll then it has faces."

But there are two solid figures cylinder which has 3 faces (1 curved and 2 base faces) and cone which has 2 faces (1 curved and 1 base face), and both cylinder and cone can roll.

Thus it does not mean that if a solid shape can not roll then it has faces.

Cylinder and cone are solid figures which can roll and faces.

Therefore, Jackie is incorrect.

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Factorise 3a^2+8a+4 someone help

lana66690 [7]

Answer:

(3a+2) (a+2)

Step-by-step explanation:

3a²+8a+4

ur sum is 8

ur product is 12

6x2 = 12

6+2=8

3a²+6a+2a+4

3a(a+2)+2(a+2)

(3a+2) (a+2)

7 0

3 years ago

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H+3h+4h=100 how do i get h?

Dominik [7]

Answer:

h = 12.5

Step-by-step explanation:

Simplifying

h + 3h + 4h = 100

Combine like terms: h + 3h = 4h

4h + 4h = 100

Combine like terms: 4h + 4h = 8h

8h = 100

Solving

8h = 100

Solving for variable 'h'.

Move all terms containing h to the left, all other terms to the right.

Divide each side by '8'.

h = 12.5

Simplifying

h = 12.5

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3 years ago

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What is the equation for the translation of x2 + y2 = 16 seven units to the right and five units up?

mafiozo [28]

Answer:

$(x-7)^2+(y-5)^2=16$ .

Step-by-step explanation:

The given circle has equation $x^2+y^2=16$ .

This is the equation that has its center at the origin with radius 4 units.

When this circle is translated seven units to the right and five units up, then the center of the circle will now be at (7,5).

The equation of a circle with center (h,k) and radius r units is $(x-h)^2+(y-k)^2=r^2$ .

This implies that, the translated circle will now have equation.

$(x-7)^2+(y-5)^2=4^2$ .

$(x-7)^2+(y-5)^2=16$ .

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3 years ago

If you follow our program, you wiose weight. You are not following our programif do not lose weight.

IRISSAK [1]

Answer:

The conclusion is valid.

The required diagram is shown below:

Step-by-step explanation:

Consider the provided statement.

If you follow our program, you will lose weight. You are not following our program if you do not lose weight.

Here the second statement is the contrapositive of the first statement.

Let x is the number of person who does not lose weight, and this person is outside the bigger circle, this person is also outside the small circle.

Therefore, the conclusion is valid.

The required diagram is shown below:

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4 years ago

PLEASE HELPPPPPPPPPP

Hitman42 [59]

Answer:

b=5

Step-by-step explanation:

We are going to use the basics of algebra to solve this

We need to isolate b by itself to find the value of b.

$8b + 12 = 52$

Subtract 12 from both sides

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3 years ago