3 years ago

Louisa cuts 7 peices of yarn.

Mathematics

2 answers:

Andreas93 [3]3 years ago

8 0

Lol where’s the rest of the question

defon3 years ago

4 0

Answer:

i need more details

Step-by-step explanation:

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Researchers are interested in the effect of a certain nutrient on the growth rate of plant seedlings. Using a hydroponics growth

emmainna [20.7K]

Answer:

$\bar{x}=61.98$

Step-by-step explanation:

The sample mean $\bar{x}$ is a point estimate of the population mean μ.

Given the heights of the 6 tomato plants sample below:

55.6, 59.4, 59.9, 62.9, 64.9, 69.2

Point Estimate,

$\bar{x}=\dfrac{55.6+59.4+59.9+62.9+64.9+69.2}{6} \\=\dfrac{371.9}{6} \\\bar{x}=61.98$

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3 years ago

Find the missing value: x2 (squared) = 625 5 10 25 50

Alona [7]

$\bf x^2=625\implies x=\sqrt{625}\implies x=25$

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3 years ago

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PROVE :<br><br>sin^2(-300°).cos^2 (120)+ cos^2(-240 ).sin^2(390)=1/4

leva [86]

Step-by-step explanation:

$\sin {}^{2} ( - 300) \cos {}^{2} (120) + \cos {}^{2} ( - 240) \sin {}^{2} (390) = \frac{1}{4}$

$\sin {}^{2} (60) \cos {}^{2} ( {}^{} 120) + \cos {}^{2} (120) \sin {}^{2} (30)$

$\frac{3}{4} \frac{1}{4} + \frac{1}{4} \frac{1}{4}$

$\frac{3}{16} + \frac{1}{16} = \frac{4}{16} = \frac{1}{4}$

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1 year ago

Which equation represents the statement thirteen less then a number is forty two

Ludmilka [50]

X-13=42
x is the "variable", you're taking 13 away from that, and the answer is also given, 42.

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3 years ago

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An experiment consists of drawing 1 card from a standard 52-card deck. let e be the event that card drawn is a 33. find p(e).

Dafna1 [17]

1 out of 52. So 1/52 equals some decimal. Plug in calc.

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3 years ago