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Arlecino [84]
3 years ago
13

1.

Mathematics
1 answer:
zalisa [80]3 years ago
6 0
1.) y-7=4(x+3)
2.) y+7=(x-1)
3.) y-3=6(x+8)
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Find the product of (1.2 · 10-2) and (3.65 · 108). In your final answer, include all of your calculations.
ehidna [41]
The numbers are best written as, 
                         (1.2 x 10⁻²)(3.65 x 10⁸)
If we multiply the bases of the scientific notations, we get an answer of 4.38. There exists a rule which states that for exponents of the same number which are multiplied, we add up the exponents. Thus, our final answer would be,
                               4.38 x 10⁶
7 0
4 years ago
Question 13 pls. Brainliest for the first answer
tankabanditka [31]

Answer: a child ticket costs $14.50

Step-by-step explanation:

x=children ticket

x+4.50=adult ticket

3 children and 2 adult

3x+2(x+4.50)=81.50

3x+2x+9.00=81.50

5x+9.00=81.50

5x+9.00-9.00=81.50-9.00

5x=72.50

5x/5=72.50/5

x=14.50

7 0
3 years ago
Combine Felix's and Tyler's data. What is the mean of the combined data? Include your calculations as part of your answer. (Hint
s2008m [1.1K]

Answer: 31.7

Step-by-step explanation:

Felix mean= 9.4

Felix median= 7

Tyler's mean= 54

Tyler's median = 66

The mean of combined data will be the mean of Felix and the mean of Tyler. This will be:

= (9.4 + 54)/2

= 63.4/2

= 31.7

4 0
3 years ago
The average of 3numbers is 10 if the sum of the numbersis 9 what is the third number​
bekas [8.4K]

Avg of 7 numbers = 9

Total of 7 numbers will be = 9 * 7 = 63

Avg of 3 of them is = 5

Total of those 3 will be = 3 * 5 = 15

Therefore the total of other 4 = 63 - 15 = 48

Ergo , avg of them = 48 / 4 = 12

Answer is 12

hope this helps!

8 0
3 years ago
A cell phone package charges $39 even if 0 minutes are used during the month. Each additional minute of talk time adds $0.07.
Orlov [11]

Answer: the slope intercept form for this situation is y = 0.07x + 39

Step-by-step explanation:

The cell phone package charges $39 even if 0 minutes are used during the month. This means that the package has a constant charge of $39.

Each additional minute of talk time adds $0.07. Assuming x additional minutes of talk time is made, the total cost of x additional minutes of talk time would be

0.07x + 39

Let y represent the total cost of x additional minutes, then

y = 0.07x + 39

The equation for the slope intercept form is expressed as

y = mx + c

Where

m = slope

c = intercept.

Comparing with our equation,

The slope is 0.07 and the intercept is 39

7 0
3 years ago
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