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3 years ago

Emily bought 48 yards of fabric to make curtains. How many inches of fabric did emily buy?

Mathematics

1 answer:

VARVARA [1.3K]3 years ago

4 0

Emily needs to buy 1,728 inches of fabric

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Find the supplementary angle.<br> 4. 80°<br> 5. 65°<br> 6. 34°

erastova [34]

Answer:

In a supplementary angle the angle is 360°

in a complementary angle the angle is 180°

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3 years ago

The graph of y = x^2 has been translated 7 units to the left. The equation of the resulting parabola is _____.

Marina86 [1]

Move c units to left means add c to every x

move 7 so add 7 to every x

y=(x+7)^2

2nd option iis answer

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3 years ago

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What is 2/3 + 3/4 I don’t understand it at all

victus00 [196]

Answer:

6/12 or half

Step-by-step explanation:

this would be the answer because the lowest common denominator of 4 and 3 is 12 so you'd multiply them you'd get 12 then multiply 2 and 3 and get six therfore the answer is 6/12 or 1/2

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3 years ago

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Afina-wow [57]

Answer:

pls write full question question is incorrect

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2 years ago

You measure 20 turtles' weights, and find they have a mean weight of 45 ounces. Assume the population standard deviation is 11.5

Naily [24]

Answer: the maximal margin of error associated with a 90% confidence interval for the true population mean turtle weight = 4.23

Step-by-step explanation:

Formula for margin of error : $E=\dfrac{z^*\times (Population\ standard\ deviation)}{\sqrt{Sample\ size}}$

, where z* = Critical z-value.

Given: population standard deviation = 11.5 ounces

Sample size = 20

Z value for 90% confidence level = 1.645

margin of error (E) = $\dfrac{1.645\times11.5}{\sqrt{20}}$

$\approx4.23$

Hence, the maximal margin of error associated with a 90% confidence interval for the true population mean turtle weight = 4.23

3 0

3 years ago