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Natali5045456 [20]
2 years ago
5

You and your friend are saving for a trip.you have $250 and are saving $60 a week. Your friend has $300 and saves $50 a week.Aft

er how many weeks will you both have the same amount of money
Mathematics
1 answer:
Nimfa-mama [501]2 years ago
8 0

Answer: 5 weeks

Step-by-step explanation:

$60 times 5 equals $300.

$250 + $300 = $550.

----------------------------------------------

$50 times 5 equals $250.

$300 + $250 = $550.

$550 = $550.

The equation is true.

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3 years ago
A central angle of a circle measures 1.5 radians. If the radius of the circle is 3 cm, what is the area of the related sector?
soldi70 [24.7K]

Answer:

Option B. 6.75\ cm^{2}

Step-by-step explanation:

we know that

The area of a circle is equal to

A=\pi r^{2}

we have

r=3\ cm

substitute

A=\pi (3^{2})=9 \pi\ cm^{2}

Remember that

2\pi radians subtends the complete circle of area 9 \pi\ cm^{2}

so

by proportion

Find the area of the related sector for a central angle of 1.5 radians

Let

x------> the area of the related sector

\frac{9 \pi}{2\pi}\frac{cm^{2}}{radians} =\frac{x}{1.5}\frac{cm^{2}}{radians}\\ \\x=9*1.5/2\\ \\x= 6.75\ cm^{2}

7 0
3 years ago
What does 1 2/5 -3/8 equals to
fgiga [73]
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3/8= 15/40

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I hope this helps!
~kaikers
5 0
2 years ago
What are the first three terms of the Arithmetic Sequence an=11-3(n-1)?
svlad2 [7]

Answer:

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Step-by-step explanation:

an=11-3(n-1)

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Let n=3

a3 = 11-3(3-1)

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