3 years ago

The product of 7 and the sum of a number and -6

Mathematics

1 answer:

Hoochie [10]3 years ago

5 0

This is middle school work woah

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Simon goes into a cafe and buys 2 cups of coffee and a piece of cake.

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Answer:

1.59 change

Step-by-step explanation:

2.78*2=5.56

5.56+2.85=8.41

10.00-8.41=1.59

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3 years ago

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Find the map ratio if 10 cm on the map is represented by 10 km

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I think this is the answer :)

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2 years ago

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Identify a3 of a sequence: 0.25, 0.5, 0.75, 1, 1.25, 1.5,....<br> a3=

wariber [46]

Answer:

0.75

Step-by-step explanation:

The given sequence is an AP , as the difference of all the terms is same

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3 years ago

The owner of a fish market has an assistant who has determined that the weights of catfish are normally distributed, with mean

LiRa [457]

Answer:

$P(X\geq 3.4)=0.0228$

Step-by-step explanation:

Given the mean is 3.2, standard deviation is 0.8 and the sample size is 64.

-We calculate the probability of a mean of 3.4 as follows:

#First determine the z-value:

$z=\frac{\bar X -\mu}{\sigma/\sqrt{n}}\\\\=\frac{3.4-3.2}{0.8/\sqrt{64}}\\\\=2.000$

#We then determine the corresponding probability on the z tables:

$Z(X\geq 3.4)=1-P(X$

Hence, the probability of obtaining a sample mean this large or larger is 0.0228

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2 years ago

Expand the following by using the distributive property: 6(-3w+1/3)

zepelin [54]

Answer:

-18w+2

Step-by-step explanation:

6*-3w=-18w

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