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Hatshy [7]
3 years ago
12

Find the percent of change between the two numbers 2 and 1.42.

Mathematics
2 answers:
aleksley [76]3 years ago
6 0

Answer:

29%

Step-by-step explanation:

\frac{0.58}{2}  \times 100 \\

29%

Elina [12.6K]3 years ago
4 0

Percent decrease formula: new value - old value / old value

Solve with the given values.

2 - 1.42 / 2

0.58 / 2

0.29

Turn the decimal into a percentage.

0.29 * 100% = 29%

Therefore, there is a 29% decrease.

Best of Luck!

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Write the equation of the line perpendicular to 2x+3y=9 that passes through (-2,5). Write your answer in slope-intercept form. S
Harman [31]
ANSWER

y =  \frac{3}{2} x + 8



EXPLANATION

The line given to us has equation,

2x + 3y = 9

We need to write this equation in the slope intercept form to obtain,


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\Rightarrow \: y =  -  \frac{2}{3}x + 3


The slope of this line is

m_1 =  -  \frac{2}{3}
Let the slope of the perpendicular line be

m_2

Then
m_1 \times m_2 =  - 1


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This implies that,

m_2 =  - 1 \times  -  \frac{3}{2}


m_2 =  \frac{3}{2}



Let the equation of the perpendicular line be,

y = mx + b

We substitute the slope to get,


y =  \frac{3}{2} x + b

Since this line passes through
(-2,5)
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This means that,

5=  \frac{3}{2} ( - 2)+ b


5 =  - 3 + b



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y =  \frac{3}{2} x + 8
6 0
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What is the solution(s) to the equation 5a2 - 44 = 81?
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Answer:

B

Step-by-step explanation:

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5a^2 = 81 + 44                    Collect like terms

5a^2 = 125                          Divide both sides by 5

a^2 = 125/5                  

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3 years ago
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