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3 years ago

Calculate the total surface area of the cube:

Mathematics

1 answer:

Ksenya-84 [330]3 years ago

7 0

Answer:

150cm²

Step-by-step explanation:

area of 1 face=5*5=25cm²

A cube has 6 faces so you have to find the area of 6 faces to find complete surface area.

If 1 face = 25cm²

6 faces =25cm² x 6

=150cm²

Plsssss make me BRAINLIEST

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Determine the type and number of solutions of x^2 + 10x − 25 = 0. A two real solutions B one real solution C two imaginary solut

klemol [59]

Answer:

two real solution

Step-by-step explanation:

x^2 + 10x − 25 = 0

we can solve this by finding out the value of x

lets assume the equation is a\times x^{2}+b\times x+c=0

x=-b\pm \sqrt{(b^{2}-4ac)}\div 2a

x=-10\pm\sqrt{100+4*25}\div2

x=-5\pm5\sqrt2

then we get both real value of x

so two real solution

4 0

4 years ago

John has been drivin at 60 miles an hour for 3 hours how many miles has he travel so far if the total distant to his destination

dusya [7]

Distance = Speed x time
60MPH x 3 Hours = 180 Miles

Therefore at 60MPH, he must drive 1 extra hour to reach is destination.

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3 years ago

“The diagram below shows a rectangle inside a regular hexagon. The apothem of the hexagon is 15.59 units. To the nearest square

DIA [1.3K]

Answer: The correct option is (A). 464 square units.

Step-by-step explanation: We are given a rectangle inside a regular hexagon in the figure.

We know that each side of a regular hexagon has same measure, so the measure of each side is

a = 18 units.

Therefore, the area of the regular hexagon is given by

$A_h=\dfrac{3\sqrt3}{2}a^2=1.5\times 1.732\times 18^2=841.752~\textup{sq. units.}$

Since the rectangle has length and breadth of 21 units and 18 units respectively, so the area of the rectangle is

$A_r=21\times 18=378~\textup{sq. units.}$

Thus, the area of the shaded region in the figure will be

$A_h-A_r=841.752-378=463.752\sim 464~\textup{sq. units.}$

Hence, option (A) is correct.

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4 years ago

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Michael has an average daily balance on his credit card of $327.50. His credit card charges 11.99% annual interest. What will hi

Ipatiy [6.2K]

Answer:

i Think its 36.03

Step-by-step explanation:

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3 years ago

Solve for b. -1/6b=3

Archy [21]

Answer:

b = -18

Step-by-step explanation:

Multiply both sides by -6/1 which is the reciprocal of -1/6

(-6/1)*(-1/6)b=3*(-6/1)

b=-18/1 = -18

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3 years ago

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