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2 years ago

How do you work this out?????

Mathematics

2 answers:

Zepler [3.9K]2 years ago

8 0

Answer: 3 x 3 I think

Step-by-step explanation:

Sedaia [141]2 years ago

4 0

Answer:

3x^2

Step-by-step explanation:

base times height

you do 3x times x to find area

x(3x)

3x^2

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Find the volume of the figure.

NARA [144]

Answer:

Step-by-step explanation:

Volume of the figure = Volume of cone + Volume of hemisphere

Cone:

height h = 33 m

Diameter = 30m

Radius r = 30/2 = 15 m

Volume of Cone:

$=\frac{1}{3}\pi r^{2}h\\\\=\frac{1}{3}\pi*15*15*33\\\\=\pi*15*15*11\\\\=2475\pi m^{2}$

Hemisphere:

Radius r = 15 m

Volume of Hemisphere =

$=\frac{2}{3}\pi*r^{3}\\\\=\frac{2}{3}\pi*15*15*15\\\\=2*\pi*5*15*15\\\\=2250\pi$

Volume of the figure = 2475π + 2250π = 4725π m²

3 0

3 years ago

The price of a pair of shoes increases from $65 to $81. What is the percent increase to the

andriy [413]

Answer:

Percent increase = 25%

Step-by-step explanation:

Given that:

Old price of shoes = $65

New price of shoes = $81

Difference = 81 - 65

Difference = 16

Percent increase = $\frac{Difference}{Old\ price}*100$

Percent increase = $\frac{16}{65}*100$

Percent increase = 0.246 * 100

Percent increase = 24.6%

Rounding off to nearest whole number

Increase = 25%

Hence,

Percent increase = 25%

4 0

3 years ago

What is the LCM of 24 and 90?

madam [21]

24,48,72,96,120,144,168,192,216,240,264...360

90,180,270,360

LCM of 24 and 90 is 360

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hope it helps

3 0

3 years ago

Read 2 more answers

In pigeons, the allele for normal feathers (F) is dominant to the allele for frizzy feathers (f). If a purebred, normal-feathere

Irina-Kira [14]

Answer:

Step-by-step explanation:

100% because if you do a punnett square there is always a dominant alle so they are all Ff, when there is a dominant alle present the offspring gets the dominant trait.

4 0

3 years ago

Change to Slope-Intercept form (Y=MX+B) Show all your work!!!! 2x-y=2

ivanzaharov [21]

Answer:

y=2x-2

Step-by-step explanation:

2x-y=2

+y +y 1)add y to both sides

2x=y+2

-2 -2 2) Substract 2 from both sides

2x-2=y

y=2x-2 3) Use the Refelxive POE to flip the sides

8 0

2 years ago

Read 2 more answers