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2 years ago

When you have the words “More than” or “less than”,that should you do to the problem?write a sample answer

Mathematics

1 answer:

Alex777 [14]2 years ago

6 0

More than means a greater amount and less mean a smaller amount.... sorry but it really simple....

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Write the expressions for when you translate the graph of y= x one unit up, one unit down, one unit to the left, one unit to the

Dominik [7]

Answer:

Step-by-step explanation:

One unit up: y = x + 1

One unit down: y = x - 1

One unit to the left: y = x + 1

One unit to the right: y = x - 1

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2 years ago

Write x^2 + 6x -7 in the form (x+a)^2 +b where a and b are integers please

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Answer:

$(x + 3) {}^{2} - 16$

Step-by-step explanation:

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2 years ago

Unite rate of 2 1/2 : 5/6

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2 years ago

Read 2 more answers

An automobile manufacturer has given its van a 47.2 miles/gallon (MPG) rating. An independent testing firm has been contracted t

7nadin3 [17]

Answer:

The test statistics is $t = -1.7$

The Null and Alternative hypothesis are

$H_o : \mu = 47.2$ and $H_a : \mu \ne 47.2$

Step-by-step explanation:

From the question we are told that

The population mean is $\mu = 47.2 miles/gallon(MPG)$

The sample size is $n = 250 \ van$

The sample mean is $\= x = 47.0$

The sample standard deviation is $\sigma = 1.9$

The level of significance is $\alpha = 0.02$

Given that the value which the manufacturer gave the automobile is 47.2 and it is believed that this is not correct, then

The Null Hypothesis is

$H_o : \mu = 47.2$

The alternative Hypothesis is

$H_a : \mu \ne 47.2$

The test statistics can be mathematically evaluated as

$t = \frac{\= x- \mu}{\frac{\sigma }{\sqrt{n} } }$

substituting values

$t = \frac{\= 47- 47.2}{\frac{1.9 }{\sqrt{250} } }$

$t = -1.7$

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2 years ago

15. In his piggy bank, Neil has three times as many dimes as nickels and he has four more quarters than nickels. The coins total

pochemuha

10 quarters 6 nickels 18 dimes

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2 years ago