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Tpy6a [65]
3 years ago
11

2.) Which expression has a value of -4? A. (-4) B. |-4| C. |4| D. -|4|

Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
5 0

Answer:

A and D both have a value of -4

Step-by-step explanation:

A. (-4)  = -4

B. |-4|  = positive value of what is inside = 4

C. |4| = positive value of what is inside = 4

D. -|4| = -positive value of what is inside = -4

harkovskaia [24]3 years ago
5 0

Answer:

A. (-4)

D. -|4|

Step-by-step explanation:

Option A

(-4) = -4

Option B

\left|-4\right|\\\\\mathrm{Apply\:absolute\:rule}:\quad \:|-a|=a\\=4

Option C

|4|\\\mathrm{Apply\:absolute\:rule}:\quad \left|a\right|=a,\:a\ge 0\\= 4

Option D

-|4|\\\\\mathrm{Apply\:absolute\:rule}:\quad \:|a|=a,\:\quad \:a\ge 0\\=-4

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In triangle abc shown below side ab is 6 and side ac is 4
kaheart [24]

Question is Incomplete, Complete question is given below:

In Triangle ABC shown below, side AB is 6 and side AC is 4.

Which statement is needed to prove that segment DE is parallel to segment BC and half its length?

Answer

Segment AD is 3 and segment AE is 2.

Segment AD is 3 and segment AE is 4.

Segment AD is 12 and segment AE is 4.

Segment AD is 12 and segment AE is 8.

Answer:

Segment AD is 3 and segment AE is 2.

Step-by-step explanation:

Given:

side AB = 6

side AC = 4

Now we need to prove  that segment DE is parallel to segment BC and half its length.

Solution:

Now AD + DB = AB also AE + EC = AC

DB = AB - AD also EC = AC - AE

Now we take first option Segment AD is 3 and segment AE is 2.

Substituting we get;

DB = 6-3 = 3 also EC = 4-2 =2

From above we can say that;

AD = DB and EC = AE

So we can say that segment DE bisects Segment AB and AC equally.

Hence From Midpoint theorem which states that;

"The line segment connecting the midpoints of two sides of a triangle is parallel to the third side and is congruent to one half of the third side."

Hence Proved.

7 0
3 years ago
The following factors are not prime: (x2- 7x)(7x+21).What remains to be factored? (can be more than one answer). A) Factor out t
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20. Lee uses Bill Payer from his bank account to pay his internet bill. Lee pays the same amount each month.
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It's the same amount each month, for a year. So:
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At a wedding reception an equal number of guests were seated at each of three large tables, and 7 late arriving desks were seate
nikitadnepr [17]

Answer:

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Step-by-step explanation:

3 tables

7 late arrivals

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