3 years ago

Which of the following expression is a perfect square?

Mathematics

1 answer:

musickatia [10]3 years ago

8 0

B because it is (2x)(2x) which is equal to 4x^2

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Find the solutions to x2 = 27. O A. x = +3,5 B. x = +39 O C. x = +9.12 D. X = +9.5

Eduardwww [97]

Answer:

Step-by-step explanation:

Given

x² = 27 ( take the square root of both sides )

x = ± $\sqrt{27}$

= ± $\sqrt{9(3)}$

= ± $\sqrt{9}$ × $\sqrt{3}$

= ± 3 $\sqrt{3}$ → A

8 0

3 years ago

In what shape are lateral faces of a pyramid?

atroni [7]

congruent isosceles triangles

7 0

3 years ago

Determine if the statement is always, sometimes or never true. There are 300 degrees in the sum of the interior angles of a poly

Marrrta [24]

Answer:

Never

Step-by-step explanation:

Using the formula to find the sum of the interior angles, (n-2) * 180, we can work backwards.

300/180 +2 = 11/3 or 3.666. Polygons cannot have decimal sides therefore your answer is never.

6 0

3 years ago

Find the following: f(0)=____ f(3)=____ f(___)=7 f(___)=5

quester [9]

Answer:

confusion

Step-by-step explanation:

3 0

3 years ago

Which expression represents the value of the series below?

Novosadov [1.4K]

Answer:

349866

Step-by-step explanation:

L = a + (n - 1) * d

1671 = 3 + (n - 1) * 4

1668 = (n - 1) * 4

417 = n - 1

n = 418

Sn = n/2 * (a + L)

Sn = 418/2 * (3 + 1671)

Sn = 349866

3 0

2 years ago