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grigory [225]
3 years ago
10

You paint 1/2 of wall in 1/4 hour.At th rate, how long will it take you to paint one wall

Mathematics
1 answer:
Aleks [24]3 years ago
7 0

Answer:

half- an hour

Step-by-step explanation:


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Solve the equation of exponential decay.
BabaBlast [244]

Answer:

$9,220,000(0.888)^t

Step-by-step explanation:

Model this using the following formula:

Value = (Present Value)*(1 - rate of decay)^(number of years)

Here, Value after t years = $9,220,000(1 -0.112)^t

          Value after t years =  $9,220,000(0.888)^t

3 0
4 years ago
Someone help me questions 9 and 10 I’ll appreciate!
Eddi Din [679]

Answer:

i can help with 9 but not 10 so here you go

Step-by-step explanation:

12+12=24

12÷2=6

6+6=12

24+12=36

12x6=72

length=12

area=72

hope i helped have a great day(or night)!!

7 0
3 years ago
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Willie changes the quadratic function f(x)=x2?6x+14 to vertex form f(x)=a(x?h)2+k. If Willie does this correctly, what is the va
andrew11 [14]

Answer:

The value of k is 5.

Step-by-step explanation:

Since we know we can convert function's quadratic form to vertex form by completing the square.

f(x)=x2?6x+14

We will add and subtract 9 to our equation in order to complete the square.

1(x^{2} ?6x+9)-9+14

Upon completing the square and combining like terms we will get,

1(x?3)^{2} +5

Upon comparing Willie's vertex form with our expression we can see that k is 5.

Therefore, the value of k is 5.

8 0
4 years ago
Leticia charges $8 per hour to babysit. She babysat Friday night for 4 hours,
lions [1.4K]

Answer:

5 hours

Step-by-step explanation:

so you do 8 times 4

which gives you 32

72 - 32

40 divided by 8

5

3 0
3 years ago
The length of the longest side of a triangle is 1 inch less than the sum of the lengths of the other two sides. How long is the
Gwar [14]
The length of the longest side is 17 inches.
4 0
3 years ago
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