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vfiekz [6]
3 years ago
5

Consider the following number sentence: 3 + 2 + 2 + 2 + 2 Simplified: 3 + 4(2) = 11 Consider the following sentence: 3 + a + a +

a Simplified: 3 + 3(a) What does 3 + 3(a) simplify to when a = 5?
Mathematics
2 answers:
zhannawk [14.2K]3 years ago
6 0

Answer:

18

Step-by-step explanation:

Step 1: Substitute 15 for <em>a</em>

3 + 3(5)

Step 2: Solve

3 + 15

18

And we have our answer!

Sati [7]3 years ago
5 0

yea it is 18

but since i have to write at least 20 words to submit

           *eight teen*

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(x - 4)²
(x - 4)(x - 4)
x² - 4x - 4x + 16
x² - 8x  +16
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The diagonal of the floor of a square room is 6 meters.what is the length of a side of the room? round to the nearest tenth.
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Side of the room = x.
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3 years ago
Factor the polynomial by grouping. 12x^x+x−13
tekilochka [14]

Answer:

  (x -1)(12x +13)

Step-by-step explanation:

You are looking to rewrite the middle term as the sum of terms that have factors of (12)(-13) that have a total of +1. Those factors are -12 and +13, so the expression you are factoring by grouping is ...

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5 0
3 years ago
19. Given that angle BFC = 58°. Angle BXG = 48° and angle CBF 22 Find () 2BGX (iv) BCG (i) 2BGF (iv) ZBFG (ii) BCF H EE 58 48° D
RoseWind [281]

The unknown angles in the cyclic quadrilateral is as follows:

∠BGX = 74° (sum of angles in a triangle)

∠BGF = 180° (opposite angles of cyclic quadrilateral are supplementary)

∠BCF = 100°(sum of angles in a triangle)

∠BCG  = 26°

∠BFG = 22°

<h3>Cyclic Quadrilateral</h3>

A cyclic quadrilateral has all its angles equal to 360 degrees. The sum of angles in a cyclic quadrilateral is equals to 360 degrees.

Let's find the missing angles as follows:

∠BGX = 180 - 48 - 58 = 74° (sum of angles in a triangle)

∠BGF = 180 - 100 = 80° (opposite angles of cyclic quadrilateral are supplementary)

∠BCF = 180 - 22 - 58 = 100°(sum of angles in a triangle)

∠BCG = 100 - 74 = 26°

∠BFG ≅ CBF = 22°(alternate angles)

learn more on angles here: brainly.com/question/19430381

6 0
2 years ago
Brainliest answer!
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