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3 years ago

200 N force applied Diration of force 3 sec

Mathematics

1 answer:

Zinaida [17]3 years ago

8 0

Answer:

200×3 = 600

Step-by-step explanation:

please mark as brainlists

Hope it will help

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Hii! i’ll give brainliest pls help

antoniya [11.8K]

Answer:

Step-by-step explanation:

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3 years ago

Read 2 more answers

What is the solution to the following system of equations?<br> y = x2 + 10x + 11<br> y = x2 + x − 7

marishachu [46]

Hello,

y=x²+10x+11
y=x²+x-7

==>x²+10x+11=x²+x-7
==>9x=-18
==>x=-2

Sol={(-2,-5)}

8 0

4 years ago

Can someone help please?

ella [17]

Answer:

its the first one

Step-by-step explanation:

In a quadratic function, the second differences are the same.

In the first table, the first differences are:

3-6 = -3;

2-3 = -1;

3-2 = 1;

6-3 = 3

The second differences are then:

-1--3 = 2;

1--1 = 2;

3-1 = 2

The second differences are the same, so this is a quadratic function.

8 0

3 years ago

Karen split 5/6 pounds of candy among 3 people,

Temka [501]

Answer:

<h2>5/18 pounds per person.</h2>

Step-by-step explanation:

Givens

Karen split (divides) 5/6 pounts of candy among 3 people.

The problem already says what to do, we need to divide because that's what Karen is doing, she is spliting or dividing the pounds of candy for 3 people. So, we just need to divide 5/6 by 3,

$\frac{5}{6} \div 3 = \frac{5}{6} \times \frac{1}{3} =\frac{5}{18}$

Therefore, the unit rate in pounds per person is 5/18 pounds, because Karen divided 5/6 pounds amon 3 people.

5 0

3 years ago

poll finds that 54% of the 600 people polled favor the incumbent. Shortly after the poll is taken, it is disclosed that he had a

Paha777 [63]

Answer: A. z = -2.57

Step-by-step explanation:

Let p be the population proportion of people polled favor the incumbent.

As per given , we have

$H_0: p=0.54\\\ H_a: p$

Sample size : n= 1030

sample proportion : $\hat{p}=0.50$

Test statistic for proportion : $z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}$

$z=\dfrac{0.50-0.54}{\sqrt{\dfrac{0.54(1-0.54)}{1030}}}\\\\= \dfrac{-0.04}{\sqrt{\dfrac{0.2484}{1030}}}\\\\=\dfrac{-0.04}{0.015529488}\approx-2.57$

Hence, the test statistic is z = -2.57 .

Thus , the correct answer is A. z = -2.57 .

7 0

3 years ago