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3 years ago

Determine the solution set of (x - 3)2 = 49. O {6.-8) O [4,10) O (10,-

Mathematics

1 answer:

BabaBlast [244]3 years ago

3 0

I believe that the answer should be 10,-4

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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

3 years ago

Find the area of the polygon

Vera_Pavlovna [14]

Answer:

B) 65 square units

Step-by-step explanation:

Triangle[SUT]=4.8/2=16

Trapezoid [SUQR]=(8+6).7/2=49

16+49=65

3 0

2 years ago

Does anyone know how to do geometry

Katena32 [7]

So all the angles on one side should equal 180.
50+55= 105
180-105=75
12x+3=75
12x=72
12*6=72
x=6

4 0

3 years ago

Pls help how do I find the variables? (offering 30 pts, don't answer unless you know the answer.)

meriva

Answer:

Since the above triangle is Iscocleles we can make our equation-

5x - 8 = 2x + 7

5x - 2x = 8 + 7

3x = 15

x = 5

Hope it helps

3 0

2 years ago

What are the distances between the two points (2,-4) , (2,6)

kotegsom [21]

Answer:

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers