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3 years ago

Is 2/14 equivalent to 3/7

Mathematics

2 answers:

Gala2k [10]3 years ago

5 0

Answer:

nope

Step-by-step explanation:

Andrew [12]3 years ago

4 0

2/14 is not equivalent to 3/7
In order for two fractions to be equivalent, you must be able to divide both the numerator and the denominator of both fractions by the same number. For example, 2/4 and 4/8 are equivalent, because you multiply 2 and 4 by 2 to get 4 and 8
2/4 (multiply both by two) = 4/8
Hope this helps!!

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List angles in order from smallest to largest

shepuryov [24]

Answer:

∠S, ∠R, ∠T

Step-by-step explanation:

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3 years ago

X - 2y + 2z = -22 <br> x + 3y - z = 03 <br> x + 2y + 3z = -15

scZoUnD [109]

What is your question?

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3 years ago

Assume that you want to test the claim that the paired sample data come from a population for which the mean difference is μd =

swat32

Answer:

Test statistic, $t_{s} = -0.603$ (to 3 dp)

Step-by-step explanation:

Deviation, d = x -y

Sample mean for the deviation

$\bar{d} = \frac{\sum x-y}{n}$

$\bar{d} = \frac{(28-6) + (31-27)+(20-26)+(25-25)+(28-29)+(27-32)+(33-33)+(35-34)}{8} \\\bar{d} = -0.625$

Standard deviation: $SD = \sqrt{\frac{\sum d^{2} - n \bar{d}^2}{n-1} }$

$\sum d^{2} = (28-26)^2 + (31-27)^2 +(20-26)^2 +(25-25)^2 +(28-29)^2 +(27-32)^2 +(33-33)^2 +(35-34)^2\\\sum d^{2} = 63$

$SD = \sqrt{\frac{63 - 8 * (-0.625)^2}{8-1} }$

SD =2.93

Under the null hypothesis, the formula for the test statistics will be given by:

$t_{s} = \frac{ \bar{d}}{s_{d}/\sqrt{n} } \\t_{s} = \frac{- 0.625}{2.93/\sqrt{8} }$

$t_{s} = -0.6033$

6 0

3 years ago

If a basketball has a volume of 12,114.7 cm3, what is the distance across of a basketball

kirza4 [7]

All we need to do is start with the volume formula. Then, input the volume and solve the equation for the radius. And double it to get the diameter.

V = (4/3)pi(r^3)
12114.7 = (4/3)pi(r^3) Divide both sides by (4/3) and pi
2893.64 = r^3 Take the cube root of both sides
14.25 = r

So the diameter is about 28.5 cm (14.25 x 2 = 28.5)

4 0

3 years ago

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Sergeu [11.5K]

Answer:

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Step-by-step explanation:

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3 years ago