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Liula [17]
3 years ago
11

Round 332 to the nearest 10

Mathematics
1 answer:
Maksim231197 [3]3 years ago
8 0
330 because 4 or below stays the same 5 or above round up
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The volume of Pyramid A is 704 cm3 and the volume of Pyramid B is 297 cm3. If the pyramids are similar and the surface area of P
SIZIF [17.4K]

Answer:

272 cm²

Step-by-step explanation:

Step 1

We have to find the scale factor

When given the volume of two solids, the formula for the scale factor is

V1/V2 = (Scale factor)³

The volume of Pyramid A is 704 cm³ and the volume of Pyramid B is 297 cm³

V1 = Pyramid A

V2 = Pyramid B

704/297 = (scale factor)³

We simplify the left hand side to simplest fraction

The greatest common factor of 704 and 297 = 11

704÷11/297÷11 = (scale factor)³

64/27 = (scale factor)³

We cube root both sides

cube root(scale factor)³ = cube root (64/27)

scale factor = (4/3)

Step 2

(Scale factor)² = S1/S2

S1 = Surface area of Pyramid A =?

S2 = Surface area of Pyramid B = 153 cm²

Hence,

(4/3)² = S1/153

16/9 = S1/153

Cross Multiply

S1 × 9 = 16 × 153

S1 = 16 × 153/9

S1 = 272 cm²

Therefore, the Surface Area of Pyramid A = 272 cm²

4 0
3 years ago
A TV that usually sells for $195.72 is on sale for 20% off. If sales tax on the TV is 9%, what is the price of the TV, including
Nuetrik [128]

The total cost of the TV is: $181.57


Work: 195.72 x 0.20 (20%) = 39.14

195.72 - 39.14 = 166.58 <-- Was for the discount now you have to do the tax.


Now Tax, 166.58 + 14.99 = 181.57


Hope this helps!

7 0
3 years ago
Read 2 more answers
in circle O, AD and BE are diameters. the measure of arc AB is 55 and the measure of arc CD is 25 what is the measure of EAC
kicyunya [14]

280 please just trust me, its 280

5 0
3 years ago
Read 2 more answers
What is the slope of the line shown below?
Ivan

We can use the points (-4, 3) and (3, 1) to solve.

Slope formula: y2-y1/x2-x1

1-3/3-(-4)

-2/7

Therefore, the answer is C

Best of Luck!

6 0
3 years ago
Read 2 more answers
Please help! Will vote brainliest!
adoni [48]

Step-by-step explanation:

D={0,1,2,..}

E={1,4,9,16,25}

F={22,24,26,28}

expression 4 is correct

6 0
3 years ago
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