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Rashid [163]
3 years ago
13

it is not always helpfule to rewrite an equation in standard form as a first step in solving it? true or false

Mathematics
1 answer:
Anni [7]3 years ago
8 0

Answer:

True

Step-by-step explanation:

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marissa [1.9K]
Because n is a variable and a variable is serving that you can always change.
7 0
4 years ago
In triangle ABC , side AB is 6 and side AC is 4: Which statement is needed to prove that segment DE is parallel to segment BC an
Andreyy89

Answer:

Segment AD is 3, and segment AE is 2.

Step-by-step explanation:

In a triangle, the line joining the mid points of two sides is parallel and half of the third sides of the triangle.

Here, ABC is a triangle,

In which,

AB = 6,

AC = 4,

D∈ AB and E∈AC

Let DE ║BC,

And, DE=\frac{1}{2}BC

In triangles ADE and ABC,

\angle ADE\cong \angle ABC  ( Alternative interior angle theorem )

\angle AED\cong \angle ACB

By AA similarity postulate,

\triangle ADE\sim \triangle ABC

∵ Corresponding sides of similar triangle are in same proportion,

\implies \frac{AD}{AB}=\frac{AE}{AC}=\frac{DE}{BC}

\frac{AD}{AB}=\frac{AE}{AC}=\frac{BC}{2BC}

\frac{AD}{AB}=\frac{AE}{AC}=\frac{1}{2}

\implies AD = \frac{AB}{2}\text{ and }AE =\frac{AC}{2}

\implies AD = \frac{6}{2}=3\text{ and }AE =\frac{4}{2}=2

Hence, the correct option would be,

Segment AD is 3, and segment AE is 2.

4 0
3 years ago
If <img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%202x%5E2%2B5%5Csqrt%7B%28x-2%29%7D" id="TexFormula1" title="f(x) = 2x^2+5\sq
Brut [27]

Answer: 82

Simply pug in 6 for x

2(6)^2+5\sqrt{(6-2)} \\72+5\sqrt{4} \\72+5(2)\\72+10=\\82

<em>Hope this helps and have a great day!!!</em>

<em>Sofia</em>

6 0
3 years ago
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luda_lava [24]
Um I think 3 degrees
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4 years ago
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