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ira [324]
3 years ago
10

Can you please help me!!

Mathematics
2 answers:
Charra [1.4K]3 years ago
8 0
What would you like help with?
zavuch27 [327]3 years ago
6 0
Depends on what you need help with
You might be interested in
-8+9+5z+7x uses z=3 and x=5
forsale [732]
Just substitute their values into the expression:
= -8 + 9 + 5z + 7x
= -8 + 9 + 5(3) + 7(5)
= 1 + 15 + 35
= 51

In short, Your Answer would be 51

Hope this helps!
4 0
3 years ago
Read 2 more answers
A certain city has a 6% general sales tax. B) What will be the total cost of the purchase?
mr_godi [17]

Answer:

Final price = 1.06x

Step-by-step explanation:

If a city has a 6% general sales tax, then the total cost of any purchase will be the original price of an item plus 6%, as follows:

Final price = (x + 0.06x) = 1.06x

Therefore, the total cost of any purchase is 1.06 where 'x' represents the price of the items without taxes.

4 0
3 years ago
CAN SOMEONE PLEASE CHECK :)
monitta
Yes I do believe that is correct!
7 0
3 years ago
14-(x+5)=3(x+9)-10 please help quick and show work!
avanturin [10]

Answer:

x=-2

Step-by-step explanation:

14-(x+5)=3(x+9)-10

14-x-5=3x+27-10

14-5-x=3x+17

     +x  +x

9=4x+17

-17    -17

4x=-8

4x/4=-8/4

x=-2

6 0
3 years ago
Two students were asked to find the value of a $1000 item after 3 years. The item was depreciating (losing value) at a rate of 4
Yuki888 [10]

Answer:

<em>Student 2 is incorrect because he didn't use the formula properly</em>

Step-by-step explanation:

The exponential function is often used to model natural growing or decaying processes, where the change is proportional to the actual quantity.

An exponential decaying function is expressed as:

C(t)=C_o\cdot(1-r)^t

Where:

C(t) is the actual value of the function at time t

Co is the initial value of C at t=0

r is the decaying rate, expressed in decimal

The initial value of the item is Co=$1000, the rate of decay is r=40%=0.4, and the time is t=3 years.

Substituting into the formula:

C(3)=\$1000\cdot(1-0.4)^3

C(3)=\$1000\cdot0.6^3

C(3)=$216

Student 2 is incorrect because he didn't use the formula properly

8 0
3 years ago
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