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Xelga [282]
3 years ago
7

What is the area of a circular pizza with a radius of 9 cm?

Mathematics
2 answers:
kap26 [50]3 years ago
5 0

Answer:

81π cm²

OR

≈254.34 cm²

Step-by-step explanation:

The area formula for a circle is π×r².

Since the radius of the pizza is 9, we get:

π×9²=

2×π×81=

81π or ≈ 254.34 cm²

Arturiano [62]3 years ago
5 0

Answer:

Step-by-step explanation:

Pi x radius^2 = Area of a circle

3.14 x 9cm^2 = 3.14 x 81cm = 254.34 cm squared

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Factor x3 – 7x2 – 5x + 35 by grouping. What is the resulting expression?
Afina-wow [57]

Answer:

3rd option

Step-by-step explanation:

Given

x³ - 7x² - 5x + 35 ( factor the first/second and third/fourt terms )

= x² (x - 7) - 5(x - 7) ← factor out (x - 7) from each term

= (x² - 5)(x - 7)

5 0
3 years ago
Integer questions. Thank you!
andrezito [222]
3. We can see that
1+100=101
2+99=101
3+98=101
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and so on
From 1 to 100, there are 50 pairs that has the sum is 101
Z=101×50=5050
4. We can see that
1-2=-1
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4 0
4 years ago
2<br> 1 point<br> Find UV.<br> U V<br> 56<br> 45<br> --D<br> W
Tomtit [17]

Answer:

11

Step-by-step explanation:

UV=UW-VW=56-45=11

5 0
2 years ago
A water balloon is catapulted into the air so that it's height, in meters, after t seconds is h = -4.9t^ +27t +2.4
zysi [14]
h = -4..9t^2+27t+2.4\ for\ t=3

Just replace t with 3 and solve.

h = -4.9*3^2 + 27*3 + 2.4 \\ h = -4.9*9 + 27*3 + 2.4 \\ h=-44.1 + 81 + 2.4 \\ \boxed{h=39.3}
6 0
4 years ago
On a test, you correctly answer six 5-point questions and eight 2-point questions. You earn 92% of the possible points on the te
Mandarinka [93]

Answer:

50 points

Step-by-step explanation:

i looked it up, and the internet says 46 is 92% of 50.

also i like ur todoroki pfp

5 0
3 years ago
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