Examine the following and determine whether it shows exponential growth or

Mathematics

1 answer:

Nana76 [90]3 years ago

8 0

Answer:

It shows exponential decay and not growth

Step-by-step explanation:

In this question, we are asked to examine the mathematical relation and determine if it shows growth or decay

The mathematical relation in the question shows decay.

Why?

This is because looking at the mathematical equation that represents the model of the equation, we can see that the multiplying term present alongside the original term is a number that is less than 1. As this number is less than 1, subsequent multiplications will surely be less than 1 also. This means each subsequent term will have a value which is less than the preceding term. This makes a case for why the model is for decay and not for growth.

Had it been that the term we have in the bracket is a number which is greater than 1, even let’s say 1.0001, this will ensure that subsequent terms will be higher than preceding term and as such we can explicitly state that what we have is growth and not decay. But unfortunately, this is not the case here

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After eating a meal at a restaurant, we decided to tip 25%, building a grand total of $87.50. What was the price before the tip?

CaHeK987 [17]

Answer:

65.62

Step-by-step explanation:

Given:

After eating a meal at a restaurant, we decided to tip 25%, building a grand total of $87.50.

To find:

Price before tip

Solution:

87.50 × 25% = 21.875

~Round~: 21.875 to 21.88

87.50 - 21 .88 = 65.62

Thus the price before the tip is 65.62

Check Answer:

Formula: Higher number - Lower number ÷ original number × 100

Solve:

87.50 - 65.62 = 21.88

21.88 ÷ 87.50=0.25005714285

0.25005714285 × 100 = 25.0057142857

Round - 25%

~lenvy~

3 0

2 years ago

If H= 2f over m+1, solve the equation for f

Viefleur [7K]

H = 2f / (m+1)
[multiply by (m+1)]
h(m+1) = 2f
[divide by 2]
f = (h (m + 1)) / 2

3b / (b+2) = 12 / (b+2)
[multiply by (b+2)]
3b = 12
[divide by 3]
b = 4

3 / (6x + 1) / 2 = 8 / (x + 4) / 3
[multiply both denominators to mike one denominator]
3 / 8(6x+1) = 8 / 3(x+4)
[expand brackets]
3 / (48x + 8) = 8 / (3x + 12)
[multiply by (48x + 8)]
3 = 8(48x + 8) / (3x+12)
[multiply by (3x+12)]
3(3x +12) = 4(48x + 8)
[simplify]
9x + 36 = 192x + 32
173x = 4
x = 4 / 173

8 0

2 years ago

Which inequality represents the sentence below? The difference of a number and one and four tenths is more than nine and seventy

Marianna [84]

The inequality represents the sentence below is that the p minus 1. 4 greater-than 9.

<h3>What is the inequality equation?</h3>

Inequality equation is the equation in which the two expressions are compared with greater than, less than or other inequality signs.

Given that the difference of a number and one and four tenths is more than nine and seventy-eight hundredths.

Before solving it, first let's discuss the tenth and hundredths,

Tenth is written as the fractional part of the number 10. The value of one tenth is equal to 1/10 or 0.1.
Hundredths is written as the fractional part of the number 100. The value of one hundredth is equal to 1/100 or 0.01.

Here, the sentence given that the difference of a number and one and four tenths is more than nine and seventy-eight hundredths.

One and four tenths can be written as,

$1\dfrac{4}{10}$