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3 years ago

CAN SOMEONE HELP ME WITH NUMBER 4? HELP PLEASE?

Mathematics

2 answers:

Anon25 [30]3 years ago

6 0

54
6s^2 = 6*3^2 = 6*9 = 54

kompoz [17]3 years ago

4 0

Answer:

Step-by-step explanation:

A = 6s^2

Replace the s with 3

So 6(3^2)

3^2 = 9

6 x 9 is 54

So, 54

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State if the triangles in each pair are similar. If so, State how you know they are similar and complete the similarity statemen

Sidana [21]

Answer: a) similar, SSS similarity

<u>Step-by-step explanation:</u>

ΔLSR sides <em>in order from least to greatest</em> are: 24, 33, 36

ΔLNM sides <em>in order from least to greatest</em> are: 112, 154, 168

If the triangles are similar then their corresponding sides will be proportional

$\dfrac{LS}{LN}=\dfrac{SR}{NM}=\dfrac{LR}{LM}\\\\\\\\\\\dfrac{LS}{LN}=\dfrac{24}{112}\quad \rightarrow \dfrac{3}{14}\\\\\\\dfrac{SR}{NM}=\dfrac{33}{154}\quad \rightarrow \dfrac{3}{14}\\\\\\\dfrac{LR}{LM}=\dfrac{36}{168}\quad \rightarrow \dfrac{3}{14}$

Their corresponding sides are proportional so

ΔLSR ≅ ΔLNM by Side-Side-Side Similarity Theorem

8 0

3 years ago

X + 9.8= 14.2 solve

Likurg_2 [28]

Answer:

$x=4.4$

Step-by-step explanation:

Subtract 9.8 from both sides.

$x+(9.8-9.8)=(14.2-9.8)$

$x=4.4$

<em>The value of x is 4.4</em>.

7 0

4 years ago

Read 2 more answers

Point G is the centroid of the right △ABC with hypotenuse AB=18 in. Find CG.

Rama09 [41]

<h3>Answer:</h3>

6 in

<h3>Explanation:</h3>

Let M be the midpoint of AB. ∆CMB and ∆CMA are both isosceles triangles, so CM = (AB)/2 = 9 in.

CG = (2/3)(CM) = (2/3)(9 in)

CG = 6 in

_____

<em>Comment on centroid and median</em>

The centroid of a triangle is located 1/3 the distance from the midpoint of a side to the opposite vertex. This is true for any median in any triangle. The proof can be developed from the fact that every median divides the triangle's area in half. Here, we just take advantage of this fact.

5 0

4 years ago

If y varies directly as x, and y=8 when x=5, find y when x=10

Sophie [7]

You have to set it up as a ratio 8/5 = y/10, then you have to cross mutliply and divide. So 8×10=80 and 80/5= 16 so y=16.