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4 years ago

5

What is the answer to e(x+c)/b=2 when solving for x?

1 answer:

seropon [69]4 years ago

4 0

Answer:x= 2b/e -c

Step-by-step explanation:

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9x - 3y = -2<br> -3x + y = -3

morpeh [17]

Multiply 2nd equation by 3 and add to first
9x-3y=-2
<u>-9x+3y=-9 +</u>
0x+0y=-7

0=-7
false
no solution
these lines aer paraalell so no solution

6 0

3 years ago

Which of the following can be used to find the sum of the interior angles for any regular polygon?

TiliK225 [7]

<span>Sum of Interior Angles = (Number of Sides -2) • 180 degrees
It seems C is the answer.

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8 0

3 years ago

Read 2 more answers

Critical thinking question on the topic operations with radical expressions needed

Yakvenalex [24]

Answer:

https://www.map.mathshell.org/download.php?fileid=1714

Step-by-step explanation:

Go to that website and it should tell you about everything

7 0

3 years ago

A ball is dropped from a treetop 256 feet above the ground. How long does it take to hit the ground? (s = 16t2)

White raven [17]

4 seconds, so whatever the letter is for the answer I have provided, select it

5 0

3 years ago

Read 2 more answers

Select the postulate or theorem that you can use to conclude that the triangles are similar.

insens350 [35]

Answer: SAS similarity postulate

Step-by-step explanation:

According to SAS postulate of similarity, two triangles are called similar if two sides in one triangle are in the same proportion to the corresponding sides in the other, and the included angle are congruent.

In triangles, QNR and MNP,

$\frac{QN}{MN} = \frac{QM+MN}{MN} = \frac{10+8}{8} = \frac{18}{8} = \frac{9}{4}$

$\frac{NR}{NP} = \frac{NP+NR}{NP} = \frac{10+8}{8} = \frac{18}{8} = \frac{9}{4}$

$\implies \frac{QN}{MN} = \frac{NR}{NP}$

Also,

$\angle QNR\cong \angle MNP$ (Reflexive)

Thus, By SAS similarity postulate,

$\triangle QNR\sim\triangle MNP$

⇒ Option first is correct.

8 0

3 years ago