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Kobotan [32]
3 years ago
12

Which point is located at (3.5, -4.5)?

Mathematics
2 answers:
vladimir1956 [14]3 years ago
7 0

Answer:

point R

Step-by-step explanation:

.............

elena-14-01-66 [18.8K]3 years ago
7 0

Answer:

None of the above

Step-by-step explanation:

3.5 is on the right side of the graph

Did you mean -3.5?

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If Sonia practices piano for 1/3 of an hour each day,how long will she have practiced in a week
Fiesta28 [93]

Answer:

2 hours and 20 minutes

Step-by-step explanation:

1/3 of an hour is 20 minutes and a week is 7 days. Multiply 20 minutes by 7 days. You get 140 minutes which equals 2 hours 20 minutes

5 0
3 years ago
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erastovalidia [21]

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7 0
3 years ago
Two perpendicular lines intersect at the origin. If the slope of the first line is -1/2, what is the equation of the second line
Dovator [93]

bearing in mind that perpendicular lines have <u>negative reciprocal</u> slopes.

now, they both intersect at 0,0, namely they both pass through it, we know the slope of the first one, so

\bf \stackrel{\textit{perpendicular lines have \underline{negative reciprocal} slopes}} {\stackrel{slope}{-\cfrac{1}{2}}\qquad \qquad \qquad \stackrel{reciprocal}{-\cfrac{2}{1}}\qquad \stackrel{negative~reciprocal}{+\cfrac{2}{1}\implies 2}}

so, we're really looking for the equation of a line whose slope is 2, and runs through (0,0).

\bf (\stackrel{x_1}{0}~,~\stackrel{y_1}{0})~\hspace{10em} slope = m\implies 2 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-0=2(x-0)\implies y=2x

5 0
3 years ago
0.90 divided by 0.30 PLEASE SHOW WORK OR EXPLAIN YOUR REASONING!
worty [1.4K]
How many times does 0.30 fit in 0.90? Well, exactly 3 times since 9 is 3 times more than 3!

Hope this helps!
7 0
3 years ago
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Find the area of the circle. Round you answer to the nearest hundredth.
m_a_m_a [10]

Answer: well first you need to send the picture

Step-by-step explanation:

1. Take the picture

2. Post it to brainly

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3 0
3 years ago
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