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BartSMP [9]
2 years ago
9

What's the area of the circle with the diameter of 8

Mathematics
1 answer:
dimaraw [331]2 years ago
8 0

Step-by-step explanation:

General formula for the area of a circle = πr^2.

Since the diameter is 8, the radius is 4 (half of diameter)

So the area is π(4)^2 = 16π.

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Can two rectangles with the same side lengths be congruent
sveta [45]

Answer:

the angles in squares and rectangles it's always 90° so two squares or two rectangles with same side lengths are congruent.

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2 years ago
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Simplify the expression: 5(–4 + 3g)
MaRussiya [10]

Answer:

-20 + 15g

Step-by-step explanation:

5 multiplied by -4 is -20

5 multiplied by 3g is 15 g.

because these two variables do not both have a g with them, this is the most they can be simplified. hope this helps!

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3 years ago
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X + 3 =8<br> X- 5 =7 <br> Please someone help?
Sav [38]

Step-by-step explanation:

x+3=8

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2 years ago
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How many real number solutions does the equation y=2x^2−8x+8 have?
Dafna1 [17]

Answer:

1 real solution

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y=2x^2−8x+8

We can use the discriminant to determine the number of real solutions

b^2 -4ac

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(-8)^2 - 4(2)(8)

64 - 64

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6 0
2 years ago
I need help please???
melamori03 [73]

Answer:

x < 8

Step-by-step explanation:

Given

x + 4 < 12

Isolate x on the left side by subtracting 4 from both sides

x < 8 ← is the solution

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3 years ago
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