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BARSIC [14]
3 years ago
7

I don’t know how to do this I need help can someone help me

Mathematics
1 answer:
sveta [45]3 years ago
4 0
Yes so for example starting at number 10 (x to the second power = 49) x would equal 7 because 7 to the second power is 49. (7x7= 49) Your answer is x=7.

Number 2 is x = 10 because 10 x 10 = 100
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Please help me with numbers 9 and 11.
hammer [34]
9 is 60000
and 11 is 600km is larger 
4 0
2 years ago
a wheel has a diameter of 15cm. The wheel travels 50 metres. How many revolutions does the wheel complete?
TEA [102]

Answer:

106

Step-by-step explanation:

The diameter of the wheel is 15 cm or 0.15 m.

The circumference of the wheel is 0.15π m ≈ 0.47 m.

So the wheel moves 0.47 m with each revolution.

The wheel travels 50 m, so the number of revolutions is:

(50 m) / (0.47 m/rev) ≈ 106 revolutions.

8 0
2 years ago
A drawer contains 4 red socks, 8 white socks, and 6 blue socks. Without looking, you draw out a sock, return it, and draw out a
OlgaM077 [116]
Hello there. I think I have the answer to your question. Without it simplified I think that the probability for white is 8/18 and for red it should be 4/18. 
5 0
3 years ago
Read 2 more answers
A tiger traveled 3.5 km, then turned around and traveled 1,250 m back toward his starting point. How many meters was he from his
madam [21]
2,250 m from his starting point.

Just turn 3.5 into 3500.
Then subtract 3500 by 1250. And the tiger ran 2250 m.
3 0
3 years ago
Read 2 more answers
Use the given information to find the P-value. Also, use a 0.05 significance level and state the conclusion about the null hypot
Nina [5.8K]

Answer: a. 0.1031; fail to reject the null hypothesis

Step-by-step explanation:

Given: Significance level : \alpha=0.05

The test statistic in a two-tailed test is z = -1.63.

The P-value for two-tailed test : 2P(Z>|z|)=2P(Z>|-1.63|)=0.1031 [By p-value table]

Since, 0.1031 > 0.05

i.e. p-value > \alpha

So, we fail to reject the null hypothesis. [When p<\alpha then we reject null hypothesis  ]

So, the correct option is a. 0.1031; fail to reject the null hypothesis.

8 0
2 years ago
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