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sineoko [7]
2 years ago
11

X3+y3+z3=k What is the answer

Mathematics
1 answer:
vfiekz [6]2 years ago
5 0

Answer:

Solution= x=1/3k-y-z

Step-by-step explanation:

Answer:

Step-by-step explanation:

3x+3y+3z=k  ---> 3x=-3y=3z+k

Move the variables to the right

3x=-3y-3z+k ---> x=-y-z+1/3k

Divide both sides by 3

x=-y-z+1/3k ---> x=1/3k-y-z

Use the communicative property to reorder the terms

Solution= x=1/3k-y-z

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Isaac invested $460 in an account paying an interest rate of 2.4% compounded daily. Assuming no deposits or withdrawals are made
allochka39001 [22]

Answer:

t =17 years

Step-by-step explanation:

The formula for interest

A = P(1+ r/n)^ nt

where a is the amount in the account , p is the principal, r is the rate, n is the number of times compounded per year and t is the time in years

Substituting in what we know

690 = 460 ( 1+ .024/365)^ 365t

690/460 = ( 1+ .024/365)^ 365t

1.5 = ( 1+ .024/365)^ 365t

Taking the log of each side

log(1.5) = 365t log( 1+ .024/365))

Dividing each side by( 1+ .024/365)

log(1.5)/ log( 1+ .024/365) = 365t

divide each side by 365

1/365 log(1.5)/ log( 1+ .024/365)  =t

t =16.8949

To the nearest year

t =17

4 0
3 years ago
Read 2 more answers
The carnival charges $5 admission and $0.50 for each ride. Alex's dad gave him $15 to spend. How many rides can he go on at most
Oxana [17]

Let us suppose number of rides is x.One ride costs $0.50.

Cost of x rides is 0.50x. The carnival charges is $5. Alex has $15 to spend .

Number of rides at most Alex can have can be given by the inequality:

0.50x+5≤ 15

To solve for x we subtract 5 both sides

0.50x≤ 15-5

0.50x≤ 10

Dividing both sides by 0.50 we have :

x≤ 20

Number of rides at most Alex can have is 20.

8 0
3 years ago
Read 2 more answers
Glenn Andrews recently bought a new motorbike for $3,950. If he had to pay 6 percent sales tax on the bike, what was the total c
Lorico [155]
FIND TAX
=$3950 * 6%
=3950 * 0.06
=$237 tax

FIND TOTAL
add tax above to bike price
=$3950 + $237
=$4187 total

ANSWER: The cost of the motorbike with tax is $4187.

Hope this helps! :)

3 0
3 years ago
.
Juli2301 [7.4K]

Answer:

the answer is......

Step-by-step explanation:

f ,c,a

4 0
3 years ago
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Which of the following functions is graphed below?
Vladimir [108]

Answer:

Step-by-step explanation:

The answer is D because the parabola is an empty circle and is positive which would mean its greater than 1 and the line has a solid point and is negative which means less than or equal to.

5 0
3 years ago
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