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Fudgin [204]
3 years ago
6

Janna works at a lab with a huge circular particle accelerator. It has a radius of 4 kilometers. What is the accelerator's diame

ter?​
Mathematics
1 answer:
den301095 [7]3 years ago
3 0

Step-by-step explanation:

since it is a circle the diameter is two times larger than radius.So 4×2=8km

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The Bike Store pays $120 for a bicycle. The store has a 60% markup policy. What is the selling price of the bicycle?
Nuetrik [128]
You would first do $120 (0.6) = $72
$72 + $120 = $192

Hope this helped! Good luck!!! :)
5 0
4 years ago
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A set of stairs is being built as shown.
Sergio [31]

Step-by-step explanation:

using Pythagoras a²+b²=c²

HOWEVER you know the hypotenuse

so it's rearranged to either c²-b²=a² or c²-a²=b²

so 13²-11²

so 169-121

this makes 48

square root 48 is 6.90 inches

this rounds up to <u>7</u><u> </u><u>Inches</u>

5 0
3 years ago
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Find the volume of the prism shown.
nlexa [21]

Answer:

Volume of a pyramid is

V=lwh÷3

=(4·5·6)÷3

=40

6 0
3 years ago
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What is 25.5% as a decimal​
KonstantinChe [14]

Answer:

0.255

Step-by-step explanation:

6 0
3 years ago
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5t+5/4-1=4t-3/5<br>maths <br>class 8​
Aleks [24]

Answer:

3.4

Step-by-step explanation:

5t+5/4-1=4t-3/5. cross multiply over the bracket

(5t+5)5=(4t-3)(4-1)

25t + 25 = -16t -4- 12 - 3

Combine the like terms

25t - 16t +4t = -4-12-3-25

13t = - 44

Divide both sides by 13

3.38

3.4 approximately

6 0
3 years ago
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