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egoroff_w [7]
3 years ago
8

Martin wants to plot a graph to show the prices of different numbers of helmets. He has to plot the following points: (1, 24.97)

, (2, 49.94), (3, 74.91), (4, 99.88) Which of the following best describes how the y-axis should be labeled? From 0 to 300 at intervals of 50 From 0 to 100 at intervals of 25 From 0 to 500 at intervals of 100 From 0 to 80 at intervals of 10
Mathematics
2 answers:
mash [69]3 years ago
5 0
I believe its 0 to 100 at intervals of 25
PIT_PIT [208]3 years ago
5 0

The Answer is b. From 0 to 100 at intervals of 25.

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2.2x+3y=15.25 <br>4.6x+2.1y=18.325<br>USING ELIMINATION<br>SHOW WORK PLEASE
Artist 52 [7]

-4.6(2.2x+3y=15.25) = -10.12x - 13.8y = -70.15

2.2(4.6x+2.1y=18.325) = 10.12x - 4.62y = 40.315

simplify

-4.62y = -29.835

divide both sides by -4.62 to isolate y

y= 6.46

2.2x + 3 (6.46) = 15.25

2.2x + 19.38 = 15.25

subtract 19.38 to both sides

2.2x = -4.3

divide 2.2 to both sides

x= -1.95

I hope that this helped :)

4 0
3 years ago
How many different 10 person committees can be selected from a pool of 23 people?
Salsk061 [2.6K]

We're going to be using combination since this question is asking how many different combinations of 10 people can be selected from a set of 23.

We would only use permutation if the order of the people in the committee mattered, which it seems it doesn't.

Formula for combination:

C(n,r)=\dfrac{n!}{(n-r)!r!}

Where n represents the number of objects/people in the set and r represents the number of objects/people being chosen from the set

There are 23 people in the set and 10 people being chosen from the set

C(23,10)=\dfrac{23!}{(23-10)!10!}

=\dfrac{23!}{13!\times10!}

Usually I would prefer solving such fractions by hand instead of a calculator, but factorials can result in large numbers and there is too much multiplication. Using a calculator, we get

=1,144,066

Thus, there are 1,144,066 different 10 person committees that can be selected from a pool of 23 people. Let me know if you need any clarifications, thanks!

~ Padoru

4 0
3 years ago
Read 2 more answers
You saved $35 to buy two books. The first book cost an unknown amount and the second book cost $24. If you don't have any money
vovangra [49]

Answer:

$11 Dollar

Step-by-step explanation:

35 - 24 = 11

5 0
3 years ago
Please explain this to me<br>​
QveST [7]

Answer: i dont know

Step-by-step explanation:

8 0
3 years ago
Please help me with part b of number 16.
natka813 [3]
You want to find the time (x) when the distance from desitnation is 0:

d = 0,

d(x) = 1375 - 110x
0 = 1375 - 110x
110x = 1375
x = 1375/110
<u>x = 12.5 hrs</u>
7 0
3 years ago
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