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2 years ago

Hello you guys can you help me with this thanks! Compare. Choose the correct symbol.

Mathematics

1 answer:

geniusboy [140]2 years ago

7 0

Answer:

B) >

Step-by-step explanation:

You can compare fractions by converting them into a decimal and examining which one has the greater value.

3/4 = 0.75

3/5 = 0.6

From this, we can see that 3/4 is greater than 3/5, so the sign will be >.

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note: You can also find the least common denomiator between the fractions and compare their numerator values to find which one is bigger. The one with the larger numerator will be the greater fraction.

hope this helps!

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A square tile has an area of 324 square inches. what is the perimeter of the square tile in inches?

kotykmax [81]

The formula of an area of a square: $A=a^2$

a - side

We have: $A=324\ in^2$

substitute:

$a^2=324\to a=\sqrt{324} \to a=18\ in$

The fromula of a perimeter of a square is: $P=4a$

substitute:

$P=4\cdot18=72\ in^2$

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3 years ago

A polyhedron has 8 vertices and 14 edges. How many faces must it have?

Scorpion4ik [409]

We know that

The Euler's formula state that, the number of vertices, minus the number of edges, plus the number of faces, is equal to two

V - E + F = 2
clear F
F=2-V+E

in this problem
V=8
E=14
F=?
so
F=2-8+14
F=8

the answer is
8 faces

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3 years ago

PLEASE HELP!!<br> Find the volume of the sphere rounded to the nearest hundredth

Studentka2010 [4]

Answer:

Step-by-step explanation:

The volume for a sphere is

$V=\frac{4}{3}\pi r^3$ . Our radius is 21 inches, so

$V=\frac{4}{3}\pi (21)^3$ and

$V=\frac{4}{3}\pi (9261)$ . Multiplying straight across the top, using the fact that 3.14 is pi:

$V=\frac{116318.16}{3}$ and divide to get that

V = 38772.72 in^3

7 0

3 years ago

The product of eight and the quantity of a number y plus six is less than twenty-one.

-BARSIC- [3]

Answer:

Step-by-step explanation

8 times y <21. Well, what times 8 gives us less than 21. y is less than or equal to 2.

7 0

3 years ago

Simplify<br> 19 - 1.67 + (-2.4)

vodomira [7]

19 - 4.07

14.93

hope this helps

3 0

3 years ago