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ankoles [38]
3 years ago
10

Which equivalent equation is the result of combining like terms in the given equation? 2r + 55 = 6r + 7 – 2r

Mathematics
1 answer:
nikklg [1K]3 years ago
6 0
I hope I help you out
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18. You are standing beside the Colorado River, 400 feet
Veseljchak [2.6K]
<h3>Answer: B. 781.6 feet approximately</h3>

=======================================================

Work Shown:

The horizontal portion is 400+166 = 566 feet. Label this as 'a', so a = 566. The vertical side is unknown, so b = x. The hypotenuse is c = 965

Use the pythagorean theorem

a^2+b^2 = c^2

566^2+x^2 = 965^2

x^2 = 965^2 - 566^2

x = sqrt( 965^2 - 566^2 )

x = 781.58108984289 which is approximate

x = 781.6 feet when rounding to one decimal place

6 0
3 years ago
Bob has homework for 4 subjects. he is deciding what order to complete this assignments. How many options does he have?
bonufazy [111]

Answer:

16

Step-by-step explanation:

7 0
3 years ago
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1) Original price of a goldfish: $7.70<br>Discount: 30%​
Leni [432]

Answer:

$5.39

Step-by-step explanation:

In order to solve for this equation, we are going to multiply 7.70 by 0.3 to find how much money was taken which was 2.31.

Subtract2.31 from 7.70 to recieve your new price :)

7.70*0.3=2.31\\7.70-2.31=5.39

Hope this Helps!

8 0
3 years ago
Does a parallegram have an obtuse angle
mihalych1998 [28]

Answer:

yes, it does

Step-by-step explanation:

it has an acute and obtuse angle

8 0
3 years ago
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This isosceles triangle has two sides of equal length that are longer than the length a of the base b the perimeter of the trian
agasfer [191]
The answer is 3.1 cm
Solution:
2(6.3)+b=15.7
12.6+b=15.7
subtract 12.6 from btohs ides
b=3.1
answer is base=3.1 cm
3 0
3 years ago
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