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mariarad [96]
3 years ago
6

Anna let her Helium balloon go and after 5 minutes the balloon was 30 meters above her. The equation 5b=30 represents this situa

tion. What does the b represent?
Mathematics
1 answer:
drek231 [11]3 years ago
3 0

Answer:

b stands for the number of minutes.

Step-by-step explanation:

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lisabon 2012 [21]

Answer:

There isn't the picture

8 0
3 years ago
The lengths of the sides of a triangle are x, 2x + 1, 5x + 4 inches. If the perimeter is 53 inches, what is thevalue of x?
satela [25.4K]
Answer: 6


Explanation:

x + 2x + 1 + 5x + 4 = 53
8x + 5 = 53
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5 0
4 years ago
The combined area of a pair of congruent rectangles can be represented, in square units, by the expression 18y^2-818y 2 −8. The
sveta [45]

Answer:

Perimeter = 12y

Step-by-step explanation:

Given

Area = 18y^2 - 8 -- two rectangles

Required

Determine the perimeter of one of the rectangles

First, calculate the area (A) of 1 rectangle

A =\frac{1}{2}Area

A =\frac{1}{2}(18y^2 - 8)

A =9y^2 - 4

Express as difference of two squares

A =(3y - 2)(3y+2)

Area is calculated as:

A = Length * Width

So, by comparison:

Length = 3y - 2

Width = 3y + 2

The perimeter is:

Perimeter = 2 *(Length + Width)

Perimeter = 2 *(3y-2+3y+2)

Collect Like Terms

Perimeter = 2 *(3y+3y-2+2)

Perimeter = 2 *(6y)

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8 0
3 years ago
Solve the equation and enter the value of x below.<br> -4x-13 = 51<br> X=<br> Answer here
ololo11 [35]

Answer:

x = -16

Step-by-step explanation:

-4x - 13 = 51

-4x = 51 + 13

-4x = 64

x = -16

3 0
3 years ago
X to the second power equal 35
Elena L [17]

Answer:

x² = 35

Step-by-step explanation:

This expression as an equation is x² = 35

<em>x</em><em> </em><em>to</em><em> </em><em>the</em><em> </em><em>second</em><em> </em><em>power</em><em> </em><em>is</em><em> </em><em>x²</em>

<em>Therefore</em><em> </em><em>x</em><em> </em><em>to</em><em> </em><em>the</em><em> </em><em>second</em><em> </em><em>power</em><em> </em><em>equal</em><em> </em><em>to</em><em> </em><em>35</em><em> </em><em>as</em><em> </em><em>an</em><em> </em><em>equation</em><em> </em><em>is</em><em> </em><em><u>x²</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>35</u></em>

4 0
3 years ago
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