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Bess [88]
3 years ago
15

What’s the answer for 3^2 x 3^2

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
3 0

Answer:

81

Step-by-step explanation:

3^2

3 × 3

= 9

3^2

3 × 3

= 9

9 × 9

= 81

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Using the Pythagorean theorem, find the length of c if a = 14 * the square root of 3 and b = 34
ANEK [815]

If c is the hypotenuse, we have

c=\sqrt{a^2+b^2}=\sqrt{(14\sqrt{3})^2+34^2}=\sqrt{588+1156}=\sqrt{1744}

If instead b is the hypothenuse, you have

c=\sqrt{b^2-a^2}=\sqrt{1156-588}=\sqrt{568}

5 0
3 years ago
What is the speed of a wave that has a wavelength of 2m and frequency of 1.5 Hz?<br> Doc Below
Mashutka [201]
Speed =wavelength x frequency
= 2x1.5 = 3m/s
5 0
3 years ago
Micheal has a set of 5 cards shown below. Micheal wil randomly select a card, not replace it, then select another card. What is
strojnjashka [21]

Answer:

3/20 or 15%

Step-by-step explanation:

Out of 1,2,3,4, and 5, there are 3 prime numbers. This makes the odds of selecting one of those prime numbers 3/5. Then, saying that he does pick a prime number and discards that card, there are now four cards, one of them being the number one. His chances of selecting this card is 1/4.

To find the probability you need to multiply the two probabilities together.

3/5 times 1/4 is 3/20.

So your answer is 3/20 or 15%.

4 0
3 years ago
a nationwide study of american homeowners revealed that​ 65% own at least one lawn mower. a lawn equipment​ manufacturer, locate
svetoff [14.1K]

Answer:

z=\frac{0.6841 -0.65}{\sqrt{\frac{0.65(1-0.65)}{497}}}=1.5938  

We have a right tailed test then the p value would be:  

p_v =P(z>1.5938)=0.0555  

Step-by-step explanation:

Information provided

n=497 represent the random sample of homes selected

X=340 represent the number of homes with one or more lawn

\hat p=\frac{340}{497}=0.6841 estimated proportion of homes with one or more lawn

p_o=0.65 is the value that we want to test

z would represent the statistic

p_v represent the p value (variable of interest)  

System of hypothesis

We want to check if proportion of homeowners owning lawn mowers in charlotte is higher than​ 65%m so then the correct hypothesis are .:  

Null hypothesis:p\leq 0.65  

Alternative hypothesis:p > 0.65  

The statistic is given by:

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

Replacing the info given we got:

z=\frac{0.6841 -0.65}{\sqrt{\frac{0.65(1-0.65)}{497}}}=1.5938  

We have a right tailed test then the p value would be:  

p_v =P(z>1.5938)=0.0555  

4 0
3 years ago
Jordan is painting his kitchen. To get the color he wants, he mixes 2 parts red paint and 6 parts yellow paint.
Lostsunrise [7]
I’m pretty sure it is 6 parts of red paint because 2x3=6 and so 6x3=18
5 0
3 years ago
Read 2 more answers
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