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3 years ago

2x - 10 + 5y = 0 how do you graph this?

1 answer:

6 0

For me the easiest way would be to change to slope formula, y=Mx+b where m is the slope and b is the y-intercept. So first you want to get y by itself so I subtract 10 and subtract 2x to get 5y=-2x+10. Then divide by 5 to get y=-2/5x + 10. Start the graph by plotting the point (0,10) and then from there, use the slope of negative two fifths. Remember rise over run!

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Television networks frequently run public opinion polls on issues of concern. One network conducted a scientific poll asking a q

kobusy [5.1K]

Answer:

Option d

Step-by-step explanation:

Given that television networks frequently run public opinion polls on issues of concern. One network conducted a scientific poll asking a question concerning the approval rating of the way President Obama was handling the Iraq War. At about the same time a second network ran an online poll using a very similar question.

Observed data is

Poll Scien Online total

approve 339 385 724

disapprove 780 573 1363

1119 958 2087

$H_0: Both scientific and online are consistent\\H_a: not consistent$

(Two tailed chi square test)

Let us find out expected and chi square

Expected = row total x column total/grand total

The cell count expected in the online poll for those who approve

= $\frac{724*968}{2087} \\=333.94$

chi square = 7.81

Hence option d is right.

4 0

3 years ago

Doesanyoneknowthisanswer

svet-max [94.6K]

Answer:

X12/45 =32

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

ADULT

Scilla [17]

Answer:

£1.62

Step-by-step explanation:

add them all up then subtract 100 and forget about the negative sign

3 0

3 years ago

How far is football field to the park? *show your work*

nalin [4]

Answer:

10.95 miles

Step-by-step explanation:

$a = Park\ to\ Home\\\\b = Park\ to\ Football\ Field \\\\t_{h} = Park\ to\ Library\\\\t_{h} = \sqrt{a^{2} - 2^{2} } \\\\t_{h} = \sqrt{b^{2} - 10^{2} } \\\\b = \sqrt{12^{2} - a^{2} } \\\\-----------\\\\a^{2} - 2^{2} = 12^{2} - a^{2} - 10^{2} \\\\2a^{2} = 144 - 100 + 4 = 48 \\\\a = \sqrt{24} = 4.9\ miles \\\\-----------\\\\b = \sqrt{144 - 24} = \sqrt{120} = 10.95\ miles$

6 0

3 years ago

Darlene has 59 pages to type. so far she gas type 23 pages. what fraction of the job is finished

coldgirl [10]

Answer:

$\frac{23}{59}$

Step-by-step explanation:

A fraction can be found be taking the current amount over the total amount:

$\frac{current}{total}=\frac{23}{59}$

Since Darlene has only typed 23 pages out of 59, her fraction is 23 over 59. Fractions must always be in simplest form, which means that both the numerator and denominator can no longer be divided by the same factor. Since the numbers 23 and 59 are both prime and have no other factors other than 1 and themselves, the fraction 23/59 is in simplest form.

4 0

3 years ago

2x - 10 + 5y = 0 how do you graph this?​

2x - 10 + 5y = 0 how do you graph this?