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slava [35]
3 years ago
6

12+ brainliest pppllleeeaaassee

Mathematics
1 answer:
Virty [35]3 years ago
7 0
Equivalent expressions.
parentheses.
(wx)yz
wx(yz)

i hope this helps :)

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F(x)=x²+4x-5<br> Step by step please
mote1985 [20]

Are you solving for zeroes?

6 0
3 years ago
The area of the regular octagon is approximately 54 cm2. A regular octagon has an apothem with length 4 centimeters and an area
ExtremeBDS [4]

Answer:

The length of line segment AB = 3.4 cm.

Step-by-step explanation:

Given:

The area of the regular octagon is approximately = 54 cm²

A regular octagon has an apothem with length =  4 cm

AB = side of the octagon

To Find:

AB = side of the octagon = ?

Solution:

A regular octagon has an Eight  equal Side

We Know that,

\textrm{area of regular octagon}=\textrm{Perimeter}\times \frac{Apothem}{2}

substituting the given values in equation we get

54 = Perimter\times \frac{4}{2}\\ \\\therefore Perimeter=\frac{54}{2}\\ \\\therefore Perimeter = 27\ cm\\

Now,

     Perimeter = 8 × Side

∴    Perimeter = 8 × AB

∴               27  = 8 × AB

∴    AB =\frac{27}{8}\\ \\\therefore AB =3.375\ cm\\\\

After rounded to nearest 10th we get

AB =3.4 cm

The length of line segment AB = 3.4 cm.

6 0
4 years ago
Read 2 more answers
Plz help and show work
Sholpan [36]
Doesn’t let me in the link?
4 0
3 years ago
Round 34.4678 of to two decimals​
mina [271]

Answer:

34.47

Step-by-step explanation:

When you need to round it off to the second decimal, you must look at the 3rd decimal place.

In this case, it's 7. If it's a number greater than 5 or 5, you must round off to the next value and if it is less than 5 or 5.

Since it is 7 in the third decimal place, the answer would be 34.47

6 0
3 years ago
Read 2 more answers
Mrs.rosso has to travel 390 miles on a highway. she drives 130 miles in 2 hours
Zielflug [23.3K]
Hi, 

first you should divide 130 (speed)  by 2 (time), then divide 390 by 65 (result of 130 / 2) 
8 0
3 years ago
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