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4 years ago

What is the equation, in point-slope form, for a line that goes through (2,-6) and has a slope of -3/4

Mathematics

1 answer:

ollegr [7]4 years ago

7 0

Answer:

y+6=-3/4(x-2)

Step-by-step explanation:

y-y1=m(x-x1)

y-(-6)=-3/4(x-2)

y+6=-3/4(x-2)

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Alexis washes 10 1/2 windows in 3/4 hours. At this rate, how many windows can she wash in one hour?

Zepler [3.9K]

Alexis can wash a total of 14 windows in 1 hour

<h3><u>Solution:</u></h3>

Given that Alexis washes $10\frac{1}{2}$ windows in $\frac{3}{4}$ hours

<u><em>To find: </em></u>number of windows washed in one hour

To simplify the calculations we will convert the given mixed fraction to improper fraction

$\begin{array}{l}{=10 \frac{1}{2}} \\\\ {=\frac{2 \times 10+1}{2}} \\\\ {=\frac{21}{2}=10.5}\end{array}$

Hence, to wash 10.5 windows, Alexis takes 0.75 hours

Let "n" be the number of windows washed in 1 hour

10.5 windows ⇒ 0.75 hours

"n" windows ⇒ 1 hour

By cross-multiplication we get,

$n \times 0.75 = 10.5 \times 1$

$n = \frac{10.5}{0.75} \\\\n = 14$

Thus Alexis can wash 14 windows in one hour

4 0

4 years ago

Please help!!! Step by step please and thank you.

Alchen [17]

Answer:

I will answer tomorrow, I promise. Need to sleep atm

6 0

3 years ago

Write the number in standard form: 9.82 × 10 ³

inessss [21]

Answer: 9820

Step-by-step explanation:

4 0

3 years ago

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Please help this is TIMED!

Thepotemich [5.8K]

Answer:

angle 1 = 51 degrees

angle 2 = 18 degrees

angle 3 = 123 degrees

angle 4 = 39 degrees

Step-by-step explanation:

angle 2 = 90-72 = 18

angle 3 = 180 - 57 = 123

angle 4 = 180 - 123 - 18 = 39

angle 1 = 90 - 39 = 51

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3 years ago

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5x + 2y, when x = 5 and y = -2

harina [27]

Answer:

5x+2y

x=5

y=-2

then putting value of x and y in the equation

we get,

5*5+2*(-2)

=25-4

=21

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3 years ago

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