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Rus_ich [418]
3 years ago
12

What is the radius of a sphere with a volume of 623.3cm? Round to the nearest tenth ?

Mathematics
1 answer:
sergiy2304 [10]3 years ago
7 0

Answer:

5.3

Step-by-step explanation:

r = (3V/4pi)^1/3

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Listed below are the summary statistics from samples of strontium-90 in baby teeth obtained from twelve Pennsylvania residents a
qaws [65]

Answer:

9.72

Step-by-step explanation:

s1 = 10.6383 ; s2 = 5.21289

x1 = 147.583 ; x2 = 136.417

n1 = 12 ; n2 = 12

df1 = n1 - 1 = 12 - 1 = 11

df2 = n2 - 1 = 12 - 1 = 11

The test statistic :

(x1 - x2) / sqrt[(sp²/n1 + sp²/n2)]

Pooled variance = Sp² = (df1*s1² + df2*s2²) ÷ (n1 + n2 - 2)

Sp² = ((11*10.6383) + (11*5.21289)) / 22 = 7.926

Test statistic, T* :

(147.583 - 136.417) / √(7.926 * (1/12 + 1/12))

11.166 / √(7.926 * (1/6)

11.166 / √1.321

11.166 / 1.1493476

T* = 9.7150766

Test statistic = 9.72

5 0
3 years ago
What is the value of x?​
myrzilka [38]

Answer:

<h2>x = 20</h2><h2 />

Step-by-step explanation:

∠VRW and ∠TRS form a pair of vertical angles then they are congruent

therefore

3x = x + 40

⇔

2x = 40

⇔

x = 20

5 0
3 years ago
I need some help pls
Nimfa-mama [501]
Answer is A, basically using the Pythagorean theorem but in a slightly different way, should still get you the same answer.
4 0
2 years ago
10 to power of 1 times 17.55
photoshop1234 [79]

Answer:

175.5

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Find the square root of 100 5.75​
AleksandrR [38]

Answer:

10 and 2.4

Step-by-step explanation:

100 is 10*10 so: \sqrt{100} = 10

5.75 is a decimal number

\sqrt{5.75} = 2.39≈ 2.4

6 0
3 years ago
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