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netineya [11]
3 years ago
10

7xy + 8z - 2z + 12xy + 10z

Mathematics
1 answer:
cestrela7 [59]3 years ago
7 0

Answer:

19xy + 16z

Step-by-step explanation:

combine like terms

7xy +1 2xy= 19xy

8z - 2z + 10z = 16z

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Please help me with this please
Yanka [14]

Answer:

4 feet

Step-by-step explanation:

Let x be the height of the tower when finished.

We have been given that Priya takes a break when the tower is 2 and 1/2 feet tall, which is 5/8 of the height of the tower she wants to build.

This means that 5/8 of x equals 2 and 1/2. Let us represent this information in an equation.

5/8*x=2 and 1/2

Let us convert our given mixed fraction into an improper fraction.

5/8*x=5/2

Let us multiply both sides of our equation by 8/5.

8/5*5/8*x=5/2*8/5

x=8/2

x=4

5 0
3 years ago
How much has to be invested at 5.1% interst compound continuously to have 17,000 after 14 years
Montano1993 [528]

I do not know exactly, but it seems to be correct                                                                             A = Pe^(r*t)  Compounding continously

17,000 = Пэ^(.051*14)

17,000/e^(.714) = P

$8324.59  = P    


7 0
3 years ago
Is (-3,0)a solution to the equation 2x+6y=-6?
sineoko [7]

Answer:

Yes

Step-by-step explanation:

 x , y

(-3 , 0)

plug in the numbers

2(-3) + 6(0) = -6    

-6 = -6

4 0
3 years ago
Anual is a word-processor operator. He makes N$12, 50 an hour. Determine his earnings for a week if he works for 48 hours.
Murrr4er [49]

Answer: $600

Step-by-step explanation:

Given

Anual makes \$12.50 an hour

For 48 hours, he makes

\Rightarrow 48\times 12.5\\\Rightarrow \$600

Thus, he will make $600 for 48 hours

6 0
3 years ago
PLEASE HELP ME BAD AT GEOMETRY PLEASE THANKS A WHOLE BUNCH
Setler [38]
V = π r² h

V = π (4)² 8
 
V = 402.12

Hope this helps :)
5 0
3 years ago
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