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3 years ago

Helppppppp please please

Mathematics

1 answer:

Tamiku [17]3 years ago

7 0

Answer:

90 degress looks like an L and counter clockwise is a backwords L and 180 degress is a straight line

Step-by-step explanation:

90 Degress Clockwise = L

90 Degress Clockwise Counter Clockwise= Backwords L

180 Degress straight Line l

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Express as a fraction 2.1666666.....

Nina [5.8K]

$\large\begin{array}{l} \textsf{Express as a fraction}\\\\ \mathsf{2,\!1666\ldots} \end{array}$

$\large\begin{array}{l} \mathsf{x=2.16666\ldots\qquad(i)}\\\\\\ \textsf{Multiply it by 10:}\\\\ \mathsf{10x=10\cdot 2.16666\ldots}\\\\ \mathsf{10x=21.6666\ldots\qquad(ii)}\\\\\\ \textsf{Now, subtract }\mathsf{(ii)-(i):} \end{array}$

$\large\begin{array}{l} \mathsf{10x-x=21.6666\ldots-2,1666\ldots}\\\\ \mathsf{10x-x=(21.6+0.0666\ldots)-(2.1+0.0666\ldots)}\\\\ \mathsf{10x-x=21.6-2.1+0.6666\ldots-0.6666\ldots}\\\\ \mathsf{10x-x=21.6-2.1}\\\\ \mathsf{9x=19.5} \end{array}$

$\large\begin{array}{l} \textsf{Multiply both sides by 2:}\\\\ \mathsf{2\cdot 9x=2\cdot 19.5}\\\\ \mathsf{18x=39}\\\\ \mathsf{x=\dfrac{39}{18}}\\\\ \mathsf{x=\dfrac{\diagup\!\!\!\! 3\cdot 13}{\diagup\!\!\!\! 3\cdot 6}}\qquad\quad\textsf{(simplifying...)}\\\\ \mathsf{x=\dfrac{13}{6}}\\\\\\ \therefore~~\boxed{\begin{array}{l} \mathsf{2.16666\ldots=\dfrac{13}{6}} \end{array}}\qquad\checkmark \end{array}$

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$\large\textsf{I hope it helps;}$


Tags: repeating decimal fraction rational number

5 0

3 years ago

3. Write the equation of a line that is perpendicular to the given line and that passes through the given point.

prohojiy [21]

To find the perpendicular line a y- 2 = 7/3 (x + 5) you must first observe that the slope is m = 7/3, therefore, the slope of the perpendicular line put of the reciprocal, that is, m = - 3/7. So the possible options are A or C, but since the point (-4, 9) must go through the line, we find that the equation that satisfies that is option C.Therefore the perpendicular line that passes through the point (-4, 9) is C. y - 9 = -3/7 (x + 4)

3 0

3 years ago

How do you add 70 to 580

Tamiku [17]

Answer:

580 +70 which is 650

Step-by-step explanation:

add

4 0

3 years ago

7x-(6x-1)=2. What is the answer?

Arturiano [62]

Answer:

x=1

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Jeremiah went shopping for a new pair of pants. Sales tax where he lives is 7.75%. The price of the pair of pants is $44. Find t

faltersainse [42]

Answer:

$47.41

Step-by-step explanation:

7.75% as a decimal would be 0.0775.

multiply:

0.0775(44)=3.41

add that $44.

$44+$3.41=$47.41

6 0

3 years ago