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hodyreva [135]
3 years ago
7

2 Points

Mathematics
1 answer:
alexgriva [62]3 years ago
8 0
The correct answer is A
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X+2(x+3(x+4(x+5)))=153
Allushta [10]

Answer:

x=1

Step-by-step explanation:

Here first open the inner parentheses and use the distributive property,

4(x+5)=4x+20\\\\(x+4(x+5))=(x+4x+20)=(5x+20)\\\\3(x+4(x+5))=3(5x+20)=15x+60\\\\(x+3(x+4(x+5)))=(x+15x+60)=16x+60\\\\2(x+3(x+4(x+5)))=2(16x+60)=32x+120\\\\x+2(x+3(x+4(x+5)))=x+32x+120=33x+120\\\\\\Hence\ x+2(x+3(x+4(x+5)))=x+32x+120=33x+120\\\\\Rightarrow 33x+120=153\\\\33x=153-120\\\\33x=33\\\\x=1

3 0
3 years ago
Y+12=7y solve for y mathmatics
Kryger [21]

Answer:

2

Step-by-step explanation:

y + 12 = 7y

<em>isolate variable</em>

12 = 6y

<em>divide both sides by 6</em>

2 = y

5 0
3 years ago
Read 2 more answers
I need help on this.
Mashutka [201]

Answer:

Put the X on the 3rd box down

Step-by-step explanation:

3 0
3 years ago
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Is someone can help my and explain how to do this stuff or make a call and do this with me )?
melomori [17]

Answer:

1.) 90 degrees. The line<em> a</em> is parallel to line <em>c </em>which is perpendicular to the other line, <em>b</em>

Step-by-step explanation:


6 0
3 years ago
From the diagram below, given the side lengths marked, and if we know that &lt; C is congruent to &lt; E, we can say that ___.
Lana71 [14]

Since we know that <C is congruent to <E, we can say that: A. the two triangles are similar by SAS.

<h3>The properties of similar triangles.</h3>

In Geometry, two triangles are similar when the ratio of their corresponding sides are equal in magnitude and their corresponding angles are congruent.

Ratio = BC/AC = 6/3 = 2.

Ratio = FE/DE = 4/2 = 2.

Thus, the ratio of their corresponding sides are equal in magnitude i.e BC/AC ≡ FE/DE.

Since we know that <C is congruent to <E, we can say that the two triangles are similar by side, angle, side (SAS) criterion.

Read more on congruency here: brainly.com/question/11844452

#SPJ1

5 0
2 years ago
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