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Aleksandr [31]
3 years ago
15

Combine like terms to create an equivalent expression. -5.8c+4.2-3.1+1.4c−5.8c+4.2−3.1+1.4c

Mathematics
2 answers:
nordsb [41]3 years ago
8 0

Answer:

Step-by-step explanation:

-11.6+8.4-15.5+2.8

ella [17]3 years ago
5 0

Answer:

The simplified expression is -4.4c+1.1−4.4c+1.1

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The length of a rectangle is 7 ft less than three times the width, and the area of the rectangle is . Find the dimensions of the
Aliun [14]

Answer:

See explanation

Step-by-step explanation:

the length of a rectangle is 7 feet less than three times it’s width. if the area of the rectangle is 180 ft, find the dimensions of the rectangle.

Width = x

Length = 3x - 7

Area of a rectangle = length × width

180 = (3x - 7) * x

180 = 3x² - 7x

3x² - 7x - 180 = 0

Using quadratic formula

a = 3

b = -7

c = -180

x = -b ± √b² - 4ac / 2a

x = -(-7) ± √(-7)² - 4(3)(-180) / 2(3)

x = 7 ± √49 - (-2160) / 6

= 7 ± √49 + 2160 / 6

x = 7 ± √2209/6

= 7 ± 47 / 6

= (7 + 47)/6 or ( 7 - 47)/6

= 54/6 or -40/6

x = 9 or -6.67

x cannot be negative

Therefore,

x = 9 ft

Width = x = 9 ft

Length = 3x - 7

=3(9) - 7

= 27 - 7

= 20 ft

6 0
3 years ago
PLEASE HELP ASAP!!! Explain, thank you-
Nat2105 [25]

Answer:

The answer to your question is:  \sqrt[4]{2^{3} } + 1

Step-by-step explanation:

\frac{1}{\sqrt[4]{2- 1}}  x \frac{\sqrt[4]{2^{3}}+ 1 }{\sqrt[4]{2^{3}} + 1}                       = [tex]\frac{\sqrt[4]{2^{3}}+ 1 }{2 - 1}  

                    = \sqrt[4]{2^{3} } + 1

6 0
3 years ago
An office manager reported that he spent $350 on gifts for employees. He said that $240 was spent on clothing with each man rece
Allushta [10]

Answer:

So I assume we are figuring out the number of men and women here, so:

m + 2w = 12

m = 12 - 2w

12 - 2w + 3w = 22

w = 10

m + 2w = 12

m + 2(10) = 12

m + 20 = 12

m = -8

8 0
3 years ago
2010 0.15
aniked [119]

Answer:

it is a :) hope this helped :)

Step-by-step explanation:

4 0
3 years ago
Hoi i need this ✨AnsWeREd✨
antoniya [11.8K]

Answer:

answer above or below is right

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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