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guapka [62]
3 years ago
9

Which equation represents the line that passes through the points (-1,-2) and (3,10)?a.y = 3x + 1b.y = 3x - 1c.y = 4x + 2d.y = 4

x - 2?
Mathematics
1 answer:
Naya [18.7K]3 years ago
4 0
If you graph all, your answer is a
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Hello can you please help me posted picture of question
zhuklara [117]
Since the order of selection does not matter, we will use combinations to solve this problem.

We are to form the combination of 30 objects taken 6 at a time. This can be expressed as 30C6.

30C6= \frac{30!}{6!*24!}  \\  \\ 
= 593775

This means the six teachers can be selected in 593775 ways.

So the correct answer is option A
3 0
3 years ago
in a cookie jar,1/5 of the cookies are chocolate chip and 1/2 of the rest are peanut butter.What fraction of all the cookies is
Tamiku [17]
If 1/5 are chocolate chip, then 4/5 are not chocolate chip because 1 - 1/5 = 4/5.

Half of 4/5 are peanut butter. Half of 4/5 is 2/5, so 2/5 of the cookies are peanut butter.
3 0
3 years ago
Hello!!! What is the square root of 35???
saveliy_v [14]

Answer:

sqrt(35) ≈5.916079783

Step-by-step explanation:

sqrt(35)

35 = 5*7

Neither of these numbers is a perfect square so

sqrt(35) cannot be simplified

it can be approximated

sqrt(35) ≈5.916079783

8 0
3 years ago
Read 2 more answers
A publisher reports that 344% of their readers own a particular make of car. A marketing executive wants to test the claim that
inysia [295]

Answer:

No, there is not enough evidence at the 0.02 level to support the executive's claim.

Step-by-step explanation:

We are given that a publisher reports that 34% of their readers own a particular make of car. A random sample of 220 found that 30% of the readers owned a particular make of car.

And, a marketing executive wants to test the claim that the percentage is actually different from the reported percentage, i.e;

Null Hypothesis, H_0 : p = 0.34 {means that the percentage of readers who own a particular make of car is same as reported 34%}

Alternate Hypothesis, H_1 : p \neq 0.34 {means that the percentage of readers who own a particular make of car is different from the reported 34%}

The test statistics we will use here is;

                T.S. = \frac{\hat p -p}{\sqrt{\frac{\hat p(1- \hat p)}{n} } } ~ N(0,1)

where, p = actual % of readers who own a particular make of car = 0.34

            \hat p = percentage of readers who own a particular make of car in a

                  sample of 220 = 0.30

            n = sample size = 220

So, Test statistics = \frac{0.30 -0.34}{\sqrt{\frac{0.30(1- 0.30)}{220} } }

                             = -1.30

Now, at 0.02 significance level, the z table gives critical value of -2.3263 to 2.3263. Since our test statistics lie in the range of critical values which means it doesn't lie in the rejection region, so we have insufficient evidence to reject null hypothesis.

Therefore, we conclude that the actual percentage of readers who own a particular make of car is same as reported percentage and the executive's claim that it is different is not supported.

3 0
2 years ago
During a 10 day period the balance of Marta's checking account dropped by $290.Write a division problem during that 10-day perio
Margarita [4]
290÷10=29 ........................

I think
8 0
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