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Harrizon [31]
3 years ago
12

The height of a candle, in centimeters, can be modeled by the linear equation h = 28 - 2t, where t represents the hours that the

candle has been burning.
Interpret the slope of this equation in the context of this problem:
Mathematics
1 answer:
Ostrovityanka [42]3 years ago
5 0

The slope is -2. In context to this problem, the candle will burn away 2cm of its length every hour.

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Evaluate the expression when q=5 and b=9.<br> a+4b
Ierofanga [76]

Step-by-step explanation:

a = 5

b= 9

a + 4b = ?

5 + 4×9 =

5 + 36 = 41

The order of operations is a rule that tells the correct sequence of steps for evaluating a math expression. We can remember the order using PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

8 0
3 years ago
Please help <br><br>Find the percentage of each of the following quantities​
makvit [3.9K]

Answer:

1. 48

2. 96

3. 2.16

4.252

Step-by-step explanation:

7 0
3 years ago
Which of the following is the graph of y = negative (x minus 2) cubed minus 5?
inysia [295]

Step-by-step explanation:

(x-2)^3 = x^3-6x^2+12x-8

-(x^3-6x^2+12x-8)=

-x^3+6x^2-12x+8

-x^3+6x^2-12x+8 -5=

y=-x^3+6x^2-12x+3

I attached the picture

5 0
2 years ago
David wants to complete a hypothesis test with the least amount of probability for error. If he sets the significance level to 1
Brrunno [24]

Answer:

He could increase the sample size

Step-by-step explanation:

In hypothesis testing, the error associated with the test is affected by a number of factors. The first factor is the level of significance, alpha. This is the probability of type 1 error. The probability of rejecting the null hypothesis when it is indeed true.

The second factor is the size of the sample used. The larger the sample, the smaller the error since the characteristics of the sample will be closer to those of the entire population on which inference is being made

8 0
3 years ago
Read 2 more answers
Peter has four horses. Each one eats 4 pounds of oats, twice a day. How many pounds of oats does he need to feed his horses for
Fiesta28 [93]
4 poundsx2times per day= 8 pounds
8 pounds x 4 horses=32 pounds
32 poundsx 3 days = 96 pounds
3 0
2 years ago
Read 2 more answers
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