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3 years ago

Define the term inflation

Mathematics

1 answer:

shtirl [24]3 years ago

3 0

Answer:

the action of inflating something or the condition of being inflated.

a general increase in prices and fall in the purchasing value of money.

Hope this helps

Step-by-step explanation:

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4x+20 3x<br> determine the value of x

nlexa [21]

Step-by-step explanation:

$4x + 20 = 3x \\ x = - 20$

<h2>-20 is the right answer.</h2>

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2 years ago

Find the value of x. Please help

vitfil [10]

Answer:

The answer is 57.

180 - 67 - 56 = 57

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2 years ago

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A 36 ft tree casts a 9 ft shadow at the same time a building casts a 15 ft shadow. How tall is the building?

mote1985 [20]

Answer: The height of the tree is 27f t

Step-by-step explanation: We can set up a proportion comparing the height of each object to the length of the shadow.

h/s

h/15=18/10

Cross multiply

10.h= 18*15

10h=270

Use the multiplicative Inverse

10 h/ 10 = <em><u>270 /10 =27</u></em>

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2 years ago

Pythagoras was born about 582 BC Isaac Newton was born in 1643 AD how many years apart were they born?

SSSSS [86.1K]

2225 years. Since 582 BC is 582 years away from zero and 1643 is 1643 units away from zero, you add them together. Think of it like a number line.

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3 years ago

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A random sample has been selected from a population. The point estimate = 78.65 and margin of error E = 8.24 for a 90% confidenc

fiasKO [112]

Answer:

90% confidence interval: (70.41,86.89)

Step-by-step explanation:

We are given the following in the question:

Point estimate = 78.65

Margin of error, E = 8.24

Confidence level = 90%

Significance level = 10%

Formula:

$\text{Point estimate} \pm \text{Margin of error}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.10} = \pm 1.64$

$78.65 \pm 8.24 = (70.41,86.89)$

(70.41,86.89) is the required 90% confidence interval.

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3 years ago