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Alika [10]
3 years ago
6

A number, n, is multiplied by - 5/8. The products is - 0.40 What is the value of n? It would also help if you would explain how

you got your answer. Thank you so much for all help.
Mathematics
1 answer:
Kay [80]3 years ago
5 0
I'm not sure if those numbers are negatives or thats just a hyphen but:

N(-5/8)=-0.40

Division is always the opposite of multiplication

-0.40/(-5/8)=0.64

N=0.64
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Answer:

13

Step-by-step explanation:

use pythagorean theorem

8 0
3 years ago
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Calculate the total cost of an item bought at a negotiated price of $15,640 and a $2,500 trade-in allowance. The sales tax is 7.
34kurt
15,640 * 7.2% = 1,126.80 Sales tax

Total cost:
cost of an item: 15,640 - 2,500 = 13,140.00
sales tax                                         1,126.80
registration fee                            <u>       106.00</u>
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6 0
3 years ago
Find the sum of the polynomials.
Bond [772]
(6n^2-4)+(-2n^2+9)
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6 0
3 years ago
5 for 1 are now 4 for 1 wats the percent of change
ZanzabumX [31]
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6 0
3 years ago
A plane flies 35 km in the direction n 30° w, then flies 60 km in the direction n 60° e. how far is the plane from its original
Kipish [7]

The distance of plane from the starting point is 69.46 km.

Given that the plane first flies 35 km in the direction N30W and then 60 km in the direction N60E.

We have to find the distance of plane from starting point.

We have to use pythagoras theorem in this which says that the square of hypotenuse is equal to sum of squares of the base and perpendicular.

H^{2} =P^{2} +B^{2}

From the figure we can say that P=35 km .and B=60 km

In this we have to find the value of H when P=35 and B=60

H^{2} =35^{2} +60^{2}

H^{2}=1225+3600

H^{2}=6946

H=69.46

Hence the distance of plane from starting point is 69.46 km.

Learn more about pythagoras theorem at brainly.com/question/343682

#SPJ4

6 0
2 years ago
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