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4 years ago

11+11 = 4 22+22 = 16 33+33 = ?

Mathematics

2 answers:

Vadim26 [7]4 years ago

8 0

Answer: The answer is 36 :)

hope that helped

aleksley [76]4 years ago

6 0

Answer:

Step-by-step explanation:

11*11=4

(1+1)*(1+1)=4

2 * 2 = 4

22*22=16

(2+2)*(2+2)=16

4 * 4 = 16

33*33=?

(3+3)*(3+3)=?

6 * 6 = 36

So the answer is 36

Series: 4, 16, 36

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( -2, 4 ) and ( 1, 0 ) are opposite vertices in a parallelogram. If ( -4, 0 ) is the third vertex, then the fourth vertex is ___

Naya [18.7K]

Answer:

C. (-7, 4)

Step-by-step explanation:

Diagonals of a parallelogram share a common midpoint

Let the fourth vertex be (x,y)

(-2-4)/2 , (4+0)/2 = (x+1)/2 , (y+0)/2

-3 , 2 = (x+1)/2 , y/2

-3 = (x+1)/2

x + 1 = -6

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4 years ago

Find the value of 2u+4 given -3u-1=2

eimsori [14]

Answer: 2

Step-by-step explanation: Fist solve the first problem. -3u-1=2. That simplifies to -3u=3. Now divide each side by -3. Now you should have u=-1. Now put it in the other problem. 2(-1)+4. 2*-1 is -2. So -2+4=2

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3 years ago

n 19451945, an organization asked 14031403 randomly sampled American citizens, "Do you think we can develop a way to protect o

kotykmax [81]

Answer:

We conclude that majority of the citizens does not feel the country could develop a way to protect itself from atomic bombs.

Step-by-step explanation:

We are given that an organization asked 1403 randomly sampled American citizens, "Do you think we can develop a way to protect ourselves from atomic bombs in case others tried to use them against us?" with 737 responding yes.

We have to conduct a test to determine that a majority of the citizens feel the country could develop a way to protect itself from atomic bombs in 1945.

Let p = percentage of citizens feel the country could develop a way to protect itself from atomic bombs in 1945.

SO, Null Hypothesis, $H_0$ : p $\leq$ 50% {means that majority of the citizens does not feel the country could develop a way to protect itself from atomic bombs}

Alternate Hypothesis, $H_A$ : p > 50% {means that majority of the citizens feel the country could develop a way to protect itself from atomic bombs}

The test statistics that will be used here is One-sample z proportion statistics;

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

where, $\hat p$ = proportion of citizens responding yes in a sample of 1403 citizens = $\frac{737}{1403}$

n = sample of citizens = 1403

So, test statistics = $\frac{\frac{737}{1403} -0.50}{{\sqrt{\frac{\frac{737}{1403}(1-\frac{737}{1403})}{1403} } } } }$

= 1.898

The value of the test statistics is 1.898.

Now at 1% significance level, the z table gives critical value of 2.3263 for right-tailed test. Since our test statistics is less than the critical value of z as 1.898 < 2.3263, so we have insufficient evidence to reject our null hypothesis as it will not fall in the rejection region due to which we fail to reject our null hypothesis.

Therefore, we conclude that majority of the citizens does not feel the country could develop a way to protect itself from atomic bombs.

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Step-by-step explanation:

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4 years ago