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3 years ago

Determine whether the function y=0.8(2/3)^x represents exponential growth or decay.

Mathematics

2 answers:

exis [7]3 years ago

8 0

Your anwer woukd be decay not growth

otez555 [7]3 years ago

7 0

I believe your answer is going to be decay. (There's a picture of what the graph would look like below.)

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X/3 + 1 = x/4 - 1. Solve for x<br> Show your work,

Amiraneli [1.4K]

Answer:

I have...NO ANSWER FOR YOU l m a o

Step-by-step explanation:

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3 years ago

Shuping and joshua had the same amount of money. Joshua paid $9.10 for a bag and had $16.25 left. Shuping bought a pen and had $

tiny-mole [99]

Answer:

$5.75

Step-by-step explanation:

Joshua paid $9.10 for a bag and has $16.25 left

Now let's find out how much Joshua had before spending on a bag. To do this, we simply sum up the cost of the bag and how much Joshua had lefyt

9.10 + 16.25

=$25.35

Since Joshua and Shopping had the same amount, Shuping also had $25.35

To get the cost of the pen, we subtract the amount Shuping had left after purchasing the pen

This gives;

25.35 - 19.60

=$5.75

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3 years ago

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Christy spent half of her weekly allowance at the movies. To earn more money her

Mekhanik [1.2K]

Answer:

Step-by-step explanation:

she has $8 now

her parents let her earn $5

so you have to take the $5 from the $8

so $8 - $5 = 3

and she had spent half her allowance so you have to double the $3

$3 * 2 = $6

she has a weekly allowance of $6

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3 years ago

A test consists of 10 true or false questions. To pass the test a student must answer at least eight questions correctly. If the

forsale [732]

<h3>The probability of student passing the quiz with at least 50% of the questions correct is 0.05457.</h3>

Step-by-step explanation:

Here, the total number of T/F question = 10

The minimum answers needed correctly answered = 8

So, student needs to answer at least 8 questions correctly.

Here, the possibility of answering a question correctly = $(\frac{1}{2})$ = p = 0.5

Also, the possibility of answering a question wrong = $(\frac{1}{2})$ = q = 0.5

Now, to pass he needs to answer 8 or more ( 8 , 9 or 10) answers correctly.

P(answering 8 correct answer) = $^{10}C_8(p)^8(q)^2 = ^{10}C_8(0.5)^8(0.5)^2 = 0.0439$

P(answering 9 correct answer) = $^{10}C_9(p)^9(q)^1 = ^{10}C_9(0.5)^9(0.5)^1 = 0.0097$

P(answering 10 correct answer) = $^{10}C_{10}(p)^{10}(q)^0 = ^{10}C_{10}(0.5)^{10}(0.5)^0 = 0.00097$

So, the total Probability = P(8) + P(9) + P(10)

= (0.0439) + (0.0097) + (0.00097)

= 0.05457

Hence, the probability that the student passes the quiz with at least 8 of the questions correct is 0.05457.

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4 years ago

The combined mass of two children is 75lbs. The first child is four times the mass of the second child. What are the masses of t

gayaneshka [121]

The second child is about 19lbsif you want to round it otherwise it's 18 something lbs, so the first child is about... 57.

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3 years ago

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