3 years ago

10 POINTS!!

Mathematics

1 answer:

Finger [1]3 years ago

6 0

Answer:

The answer is 4^x

Step-by-step explanation: x is the exponent

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Alex is making chocolate cakes. For each cup of milk he uses, he needs to use 1/2 cups of flour. For each

IRINA_888 [86]

answer: 2/3 (or 0.67) cups of cocoa

Step-by-step explanation: since you need to use 1/2 cups of flour for each cup of milk you divide 4 by 2 and you get 2 then you multiply 2 by 1/3 to get your answer

at least that's what i got

5 0

3 years ago

2.) Customers left Jill $2.50 as a tip. The tip was 20% of the total. How much was the bill?

n200080 [17]

Answer:

50 was the bill thanks so much for improving my knowledge

5 0

3 years ago

Please help me I have no idea what I am doing so could u please help me with this it’s from Khan academy

Natasha2012 [34]

Answer:

k12

Step-by-step explanation:

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2 years ago

Read 2 more answers

Which expression is equivalent to (3^2)^-2<br> ?

patriot [66]

Answer:

I think the answer is 2\9

Step-by-step explanation:

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3 years ago

The cash operating expenses of the regional phone companies during the first half of 1994 were distributed about a mean of $29.9

soldi70 [24.7K]

Answer:

The percentage of regional phone companies whose operating expenses were closer to the mean than the operating expenses of Company A were to the mean is 73%.

Step-by-step explanation:

The Company A's operating expenses were $27.00. This is $2.93 less than the regional mean.

$\Delta E=29.93-27.00=2.93$

The companies whose operating expenses are closer to the mean are the ones that have expenses $2.93 below or above the mean.

The fraction of companies that are closer to the mean is equal to the proability of having expenses between those two limits:

$z_1=(M-\mu)/\sigma=-2.93/2.65=-1.105\\\\z_2=+1.105$

$P(|z|\leq1.105)=P(z\leq 1.105)-P(z$

4 0

3 years ago