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3 years ago

Write answer as a decimal or whole number :) What % of $89.50 = $39.38 20 points

Mathematics

1 answer:

solmaris [256]3 years ago

7 0

44% of 89.50 = 39.38

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factorise the following please due in 30min c^2+d^2. e^2/25-f^2/36. and the square root of x-4 thanks no link please

Law Incorporation [45]

Answer:

Step-by-step explanation:

1) c²+d² is not factorable

2) e²/25 - f²/36 = e²/5² - f²/6² = (e/5)² - (f/6)² = (e/5 + f/6) (e/5 - f/6)

3) $\sqrt{x-4}$ nothing can be done

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3 years ago

-El papá de Susana es carpintero y en su trabajo utiliza clavos y tornillos de distintas medidas. Ahora, le advirtieron que dent

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Answer:

la tabla no esta, asi que busque la pregunta por interenet y encontre lo siguiente:

medida de los clavos equivalencia en

<u>en pulgadas </u> <u>centimetros </u>

1 pulgada 2.54 cms

¹/₂ pulgada 2.54 x 0.5 = 1.27 cms

³/₄ pulgada 2.54 x 0.75 = 1.905 cms

¹/₈ pulgada 2.54 x 0.125 = 0.3175 cms

3¹/₂ pulgadas 2.54 x 3.5 = 8.89 cms

7 0

3 years ago

Can someone explain what to do here I’m very confused?

Grace [21]

Start by distributing the - 1/3 which is the same as dividing the entire parentheses by 3 which results in (3x+10)

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3 years ago

Find the diameter, given the circumference of a circle is 40.035 cm.

LekaFEV [45]

Answer:

12.75

Step-by-step explanation:

c = π x d

40.035= 3.14 x d

40.035/3.14 = 12.75

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3 years ago

Claim: Most adults would not erase all of their personal information online if they could. A software firm survey of 677 random

Alika [10]

Answer: The value of test statistic is -0.052.

Step-by-step explanation:

Since we have given that

n = 677

and

$\bar {p}=0.499$

Claim that Most of the adults erase all of their personal details online.

p = 0.5

q = 1-0.5 = 0.5

So, the test statistic would be

$z=\dfrac{\bar{p}-p}{\sqrt{\dfrac{pq}{n}}}\\\\z=\dfrac{0.499-0.5}{\sqrt{\dfrac{0.5\times 0.5}{677}}}\\\\z=\dfrac{-0.001}{0.0192}\\\\z=-0.052$

3 0

3 years ago