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V125BC [204]
2 years ago
14

1. Simplify the rational expression (5 3/2)(5 1/2)

Mathematics
1 answer:
oksian1 [2.3K]2 years ago
8 0
3.26
:good luckonyoure test

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If the area of a circle is 25 pi, find the length of an arc with a central angle of 240? Any help is appreciated please.
almond37 [142]

Answer:

11.81pi

Step-by-step explanation:

r^2=25pi

r=8.86

length=2pi(8.86)(240/360)

=17.72pi(2/3)

=11.81pi

6 0
3 years ago
Which number line represents the solution to the inequality 22 > 10x
S_A_V [24]

Answer:

\large\boxed{x

Step-by-step explanation:

22>10x\qquad\text{divide both sides by 10}\\\\\dfrac{22}{10}>\dfrac{10x}{10}\\\\2.2>x\to\boxed{x

<, > - open circle

≤, ≥ - closed circle

<, ≤ - draw the line to the left

>, ≥ - draw the line to the right

3 0
3 years ago
Durind the summer, Ms. Stevenson likes to swim. Her goal next summer is to swim1,456 laps. If she swims 28 laps a day, how many
WINSTONCH [101]

Answer:

52

Step-by-step explanation:

1456/ 28 = 52 days

6 0
3 years ago
Read 2 more answers
If a diameter intersects a chord of a circle at a right angle, what conclusion can be made?
drek231 [11]

Answer:

The chord is bisected.

Step-by-step explanation:

see the attached figure to better understand the problem

In the circle of the figure

The diameter is the segment DE

The chord is the segment AB

PA=PB=r ----> radius of the circle

Triangles PAC and PBC  are congruent right triangles by SSS

Because

PA=PB

PC is a common side

AC=BC ----> Applying Pythagoras Theorem

therefore

The chord AB is bisected

6 0
3 years ago
Read 2 more answers
Write one hundred twenty-three and fourteen thousandths as a decimal number.
DochEvi [55]

Answer:

.12314

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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