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Irina-Kira [14]
3 years ago
12

Which choice is a good estimate for the equation of the line below?

Mathematics
2 answers:
Veseljchak [2.6K]3 years ago
7 0
The Answer is C since Y is for the miles and X for hours, we need to substitute the miles in the y variable and solve for X !!
ludmilkaskok [199]3 years ago
6 0

Given is a table of Time(hours)-Distance(miles).

We have points (4, 208), (6, 312), (8, 416), (10, 520).

<u>Finding slope of given points:-</u>

m_1=\frac{312-208}{6-4}= \frac{104}{2}=52 \\m_2=\frac{416-312}{8-6}= \frac{104}{2}=52 \\m_3=\frac{520-416}{10-8}= \frac{104}{2}=52

We know general equation of the line is given by y = mx+b.

<u>Using point (4, 208) and slope m = 52 in the equation y = mx+b.</u>

208 = (52)(4) + b

208 = 208 + b

b = 0.

So, the equation is y = 52x.

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How many two-digit positive integers can be formed the digits 1,5,6, and 8 if no digit is repeated?
IgorLugansk [536]

Answer:

12

Step-by-step explanation:

There are 4 different digits to choose from. Since we want 2-digit number, we will see what digits can we put in place of 1st digit and what digit can we place in place of 2nd digit.

Hence, <u><em>how many digits (from 1,5,6 and 8) can be placed in the 1st digit of the number we want?</em></u>

Any one of the four digits (1,5,6, or 8).

Now, <em><u>How many digits (from 1,5,6 and 8) can be placed as the 2nd digit of the number we want?</u></em>

Any one of the THREE digits (since repetition is not allowed, we disregard the initial digit).

Thus the number of two-digit positive integers is 4 * 3 = 12

5 0
2 years ago
The model represents the equation x - 1 &lt; -4. What is the solution for the inequality?
Step2247 [10]

Answer:

any number equal to or less than -4

Step-by-step explanation:

x - 1 < -4

< represents that -4 is a larger number than x - 1. we know that -4 is a negative number, so anything below -4 would be less. x = -4 would be a good solution, but the reality is that any number equal to or less than -4 is the correct answer. I hope this helps!

7 0
2 years ago
What is the answer to this problem 0.05n+0.10(2n)=9.25
kolbaska11 [484]

Answer: n=37

Step-by-step explanation:

0.05n+0.10x2n=9.25

0.25n=9.25

n=9.25/0.25

n=37

6 0
2 years ago
Refer to the isosceles trapezoid shown. Find m(BC)
patriot [66]

Answer:

answer is 9cm

opposite side of trapezium are equal

hopes this helps u

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3 years ago
Select the correct answer from each drop-down menu.
Aleksandr [31]

Answer:

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Step-by-step explanation:

3 0
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