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fenix001 [56]
3 years ago
13

Reading test is compared for two students. The mean of Alice's reading test is 82. The mean of Adam's reading test is 85. What c

onclusions can you derive from the random samples? Check all that are true. Adam averages better than Alice. Alice averaged more than Adam. Scores of both Alice and Adam are the same. Alice averaged less than Adam.
Mathematics
2 answers:
Anni [7]3 years ago
8 0

Answer:

* Adam averages better than Alice

* Alice averaged less than Adam.

Step-by-step explanation:

82 (Alice's score) is less than 85 (Adam's score)

zalisa [80]3 years ago
7 0

Answer:

i think it's

Adam averages better than Alice

Alice averaged less than Adam

Step-by-step explanation:

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What is the value of the variable? 3(x- 2)=15
STatiana [176]

Answer:

x=7

Step-by-step explanation:

To solve for x, you have to multiply the terms in parenthesis by 3. Then you add 6 to each side of the equal sign. Then you divide each side of the equal sign by 3 to get x=7

3x-6=15\\3x=15+6\\3x=21\\x=21/3\\x=7

4 0
3 years ago
for the polynomial P(x)=4x^2-5x+6 and c =1, find p(c) by (a. direct substitution and (b. the remainder theorem
nata0808 [166]
p(x)=4x^2-5x+6

c=1\implies p(c)=4(1)^2-5(1)+6=5

By the remainder theorem, the remainder upon dividing a polynomial p(x) by a linear binomial x-c is equal to p(c). Via synthetic division, we get

1   |  4   -5   6
.    |        4  -1
- - - - - - - - - - -
.    |  4   -1   5

which translates to

\dfrac{4x^2-5x+6}{x-1}=4x-1+\dfrac5{x-1}

or

4x^2-5x+6=(4x-1)(x-1)+5

Indeed, when x=1, the first term on the right hand side vanished and we're left with 5.
8 0
3 years ago
The original price of the DVD is nine dollars the sale price is 80% of the price what is the sale price of the DVD?
Vilka [71]
Let's rewrite the information then figure out the answer. 

DVD: $9.00 originally but on sale with an 80% discount. 
80%=0.80
9.00(0.80) = $7.20
$9.00 - $7.20 = $1.80

Thus, the sales price is: $1.80
3 0
3 years ago
Read 2 more answers
What is the median of the following numbers? 1, 2, 2, 8, 9, 14
sesenic [268]

Answer: 5

Step-by-step explanation: The median is the middle number in the data set when the data set is written from least to greatest.

Notice that our data set is already written from least to greatest.

1, 2, 2, 8, 9, 14

Notice that in this data set, there is no middle number directly because 2 and 8 fall directly in the middle. In this situation, we take the average of these two middle numbers and divide their sum by 2.

Since 2 and 8 are the numbers that appear in the middle, we add them.

2 + 8 gives us 10.

Now we divide 10 by 2 to get 5.

So the median of this data set is 5.

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4 years ago
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