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AlladinOne [14]
3 years ago
15

Please help look at the picture attached need answers ASAP

Mathematics
1 answer:
Mandarinka [93]3 years ago
7 0
12x+6y=9 ->> y=-2x+3/2
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Diana earns $8.50 an hour working as a lifeguard. Write an equation to find Linda's money earned m for any number of hours h. Ma
hodyreva [135]
The equation that best represents the amount of money earned by linda is as follows:
 m = 8.50 * h.
 The table will be given by the substitution of the number of hours in the written equation:
 h 4 5 6 7
 m 34 42.5 51 59.5
 The graph can be seen in the attached image.

6 0
3 years ago
Listed below are the weights in pounds of 11 players randomly selected from the roster of the Seattle Sea-hawks when they won Su
weeeeeb [17]

Answer:

No. These measures show a thinner team of NFL players according to the mean, variance, standard deviation, and quartiles.

Step-by-step explanation:

1) The measures of variation, namely The Range, Variance, Quartiles, Interquartiles, Sum of Squares, etc. shows us how the data are dispersed.

The Range Δ is calculated:

\Delta =305-189=116 Maximum value - Minimum value for weight

Mean:

\bar{x}=\frac{189+254+235+225+190+305+202+190+252+305}{11}\approx 231.09 \:pounds

Variance:

s^{2}=\frac{\sum_{i=1}^{n} (x_i-\bar{x})^{2}}{n-1}\Rightarrow s=1923.69\\

The Standard Deviation of the sample

s=\sqrt{s^{^{2}}}\Rightarrow s\approx 43.86\\

2) Since there is no preceding exercise, the comparison was made to a recent study in which a NFL player average weight is about 245 pounds (average),

Since 25% of this list are player whose weight is 192.5 lbs and 50% (2nd Quartile) =225 lbs , finally only at the 3rd Quartile we have players above the regular NFL average with 253. This, added with the other data, allow us to say that this list is not a typical of all NFL players.

4 0
4 years ago
A water balloon is 5 feet above the ground when Sally launches it into the air. Use the quadratic equation 0 = -t2 + 4t + 5 to f
Alborosie

Answer:

2-sqrt14/2, 2+sqrt13/2.

Step-by-step explanation:

What you do is you have to do the quadratic equation like it says in the problem.

x=  −b± sqrtb^2 −4ac /2a .

a=-2, b=4, c=5.

x=-4±sqrt(4)^2-4(-2)(5)/2(-2).

x=-4±sqrt16+40/-4.

x=-4±2sqrt14/-2.

2-sqrt14/2, 2+sqrt13/2. is your answer once you have done everything.

​  

​

6 0
3 years ago
At the grocery store, you buy a carton of milk for $1.25, a loaf of bread on sale for $0.35, and a box of cereal for $3.75. Use
nataly862011 [7]
It (A) Because she buys milk that's 1.25 bread 35 .cereal 3.75


1.25+35+3.75 =5.35 dollars

Hope it helps

:D

Have a nice day
5 0
3 years ago
Read 2 more answers
Which graph represents -5x+4y > -1
Nikitich [7]

Answer:

Were is the graph

Step-by-step explanation:

show me the graph

8 0
3 years ago
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