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3 years ago

8 1/9-6 7/9=? Solve and show how you got the answer

2 answers:

7 0

Answer: 1/9 - 7/9 is gonna give you a negative so you add a whole number to 1/9 so it would equal 10/9 so you subtract them now 10/9 - 7/9 equaling 3/9 then for the 8 it got turned to a 7 so you subtract and get 1 3/9

Step-by-step explanation:

balu736 [363]3 years ago

4 0

Answer:

1 1/3

Step-by-step explanation:

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If r=3 cm,s=4cm find the area of the shaded area?

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Answer:

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2 years ago

An equation is shown below: 5(2x-8) +15 = -15 write the steps you will use to solve the equation and explain each step

faust18 [17]

Answer:

5(2x-8)+15=-15

10x-40+15=-15

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2 years ago

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A rectangular painting by Leonardo da Vinci measured 62cm along its diagonal. If the painting has a height of 42 cm how wide is

IRINA_888 [86]

ANSWER

45.6cm to the nearest tenth.

EXPLANATION

The diagonal of the rectangular painting is 62cm.

The height of the painting is 42 cm.

The height of the painting h , the diagonal, and the width of the painting forms a right triangle with the diagonal being the hypotenuse.

From the Pythagoras Theorem,

${w}^{2} + {42}^{2} = {62}^{2}$

${w}^{2} = {62}^{2} - {42}^{2}$

${w}^{2} = 2080$

${w} = \sqrt{2080}$

$w = 4 \sqrt{130}$

The width of the painting is 45.6cm to the nearest tenth.

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3 years ago

What is the exponential regression equation for the data set?

Ne4ueva [31]

Answer:

Exponential Regression. An exponential regression is the process of finding the equation of the exponential function that fits best for a set of data. As a result, we get an equation of the form y=abx where a≠0 .

Step-by-step explanation:

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3 years ago

Please solve it I will give you 30 points

Aloiza [94]

Answer:

1. (2x^2+x-1)

Step-by-step explanation:

expanding (2x^2-1)^2. multiplying (x-2) (1-2x)

= 4x^2-4x+1. = x-2x^2-2+4x

= -2x^2+5x-2

(4x^2-4x+1-2x^2+5x-2)

=2x^2+x-1

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3 years ago

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