3 years ago

Help please emergency!!!

Mathematics

1 answer:

kakasveta [241]3 years ago

8 0

Slope is 3
Y- intercept: (0,9.4)

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For the data set table 65, 75, 64, 20, 80, 125. what is the mean of this data set table?

Deffense [45]

Answer:

71.5

Step-by-step explanation:

Mean = Sum of data values/How many data values

65+75+64+20+80+125= 429

There are 6 data values in this data set.

429/6 = 71.5

Mean=71.5

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2 years ago

What is the answer to -5x+7y=11<br> -5x+3y=19

marusya05 [52]

$\left\{\begin{array}{ccc}-5x+7y=11\\-5x+3y=19&/\cdot(-1)\end{array}\right\\+\left\{\begin{array}{ccc}-5x+7y=11\\5x-3y=-19\end{array}\right\\-------------\\.\ \ \ \ \ \ \ \ 4y=-8\ \ \ \ |divide\ both\ sides\ by\ 4\\.\ \ \ \ \ \ \ \ \ y=-2\\5x-3(-2)=-19\\5x+6=-19\\5x=-19-6\\5x=-25\ \ \ \ \ |divide\ both\ sides\ by\ 5\\x=-5\\\\Answer:x=-5\ and\ y=-2$

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2 years ago

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pashok25 [27]

I donno. 83828728873

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2 years ago

Jimmy notices 7oranges weigh the same as 5 apples. If Jimmy has 28 oranges, how many apples would Jimmy need to equal the weight

pychu [463]

Answer:

Step-by-step explanation:

7 times 4 equals 28 and 5 times 4 equals 20 so the answer is 20

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2 years ago

Solve

Katena32 [7]

Answer:

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2 years ago