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3 years ago

5

Describe two ways you can use a table to write a proportion

1 answer:

fredd [130]3 years ago

4 0

Https://www.bigideasmath.com/protected/content/ipe/grade%207/03/g7_03_04.pdf. click on this link and here you go with the answer!!!!

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Kim asked the first 50 kids to school in the morning how they feel about waking up early. she uses their response to predict the

True [87]

Kim's method of sampling the students in the given scenario is said to; It is not a random survey.

<h3>What is a random sample?</h3>

Random sampling is defined as a sampling technique whereby each sample has an equal probability of being chosen. This means that a sample chosen randomly is meant to be an unbiased representation of the total population.

In this question, we are told that Kim asked the first 50 kids to school in the morning about a question and used their responses to arrive at a conclusion.

Now, Kim's method is not random because it is biased as only those who came earliest were asked.

Read more about Random Survey at;brainly.com/question/251701

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4 0

2 years ago

Which expression is equivalent to 24 ⋅ 2−7?

marta [7]

Answer:

211

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

One Solution<br>no solution <br>infinitely many solutions<br>3x + 9 + 4x + x =<br>_x+_

ss7ja [257]

All you need to do it combine like terms.

3x + 9 + 4x + x

(3x + 4x + x) + 9

8x + 9

i hope this was helpful for you!

8 0

3 years ago

Josh had 4 five-dollar bills. Then his grandfather gave him 1 ten-dollar bill How much money does Josh have now?

WARRIOR [948]

Answer:

30 dollars

Step-by-step explanation:

4(5) + 10 = 20 + 10 = 30

7 0

3 years ago

Read 2 more answers

Aryana wants to invest $43,000. She has two options. Option A gives her 6% compounded quarterly. Option B gives her 6% simple in

solmaris [256]

Answer:

Option A earns higher interest($84115.58)

the difference in interest between the two option is $197.9

Step-by-step explanation:

In the problem we are going to apply both the simple interest formula and compound interest formula and compare which has the best/higher returns

Given data

Principal P= $43,000

Rate r= 6%= 0.06

time t= 3years

n= 4 (applicable for compound interest compounded quarterly)

solving for option A gives her 6% compounded quarterly

the compound interest formula is

$A= P(1+\frac{r}{n} )^n^t\\A= 43000(1+\frac{0.06}{4} )^{4} ^*^3$

$A=43000(1+0.015)^{12} \\A=43000(1.015)^{12} \\A=43000*1.1956\\A= 51411.58$

Interest is $A-P= 51411.58-43000= 8411.58$ =$8411.58

solving for option B which gives her 6% simple interest annually

the simple interest formula is

$A=P(1+r)^{t} \\A=43000(1+0.06)^3\\A=43000(1.06)^3\\A=43000*1.191\\A= 51213.68$

Interest is $A-P=51213.68-43000= 8213.68$ = $8213.68

calculating the diference in interest between the two options we have

$8411.58-8213.68= 197.9$ = $197.9

Option A earns higher interest

8 0

3 years ago