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Ivan
3 years ago
8

Sarah competes in a long jump competition.

Mathematics
1 answer:
Annette [7]3 years ago
5 0
(100\% + 12\%) \times 4.25 \\ = 4.76
1st jump + 12% 1st jump
u got 4.76m
for the winning jump
X=4.76 x 100/85
X=5.6m
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Line AB contains points A(4, 5) and B(9, 7). What is the slope of ?
chubhunter [2.5K]

Slope = (y2 - y1)/(x2 - x1)

Slope = (7-5)/(9-4)

Slope = 2/5


8 0
4 years ago
Rod's scores on 4 history tests are 88,96,98,and 90. What score does he need on the fifth test to have a mean score of 94 on all
aleksandrvk [35]
(88+96+98+90+x)/5=94
Add all the numbers
(372+x)/5=94
Multiply both sides by 5
372+x=470
Subtract 372 from both sides
x=98

Double check:
88+96+98+90+98=470/5=94

Hope that helps

7 0
3 years ago
Read 2 more answers
After arranging the terms in descending powers of a variable, select the opposite of the polynomial. 9 - 12n 2 4n 3 - 7n 4n3 - 1
leva [86]

The terms in descending powers of a variable are \rm 4n^3 - 12n^2 - 7n + 9

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Given that

Polynomial; \rm 9 - 12n ^2 + 4n^ 3 - 7n

<h3>We have to determine</h3>

After arranging the terms in descending powers of a variable, select the opposite of the polynomial.

<h3>According to the question</h3>

A polynomial is an expression consisting of coefficients and variables which are also known as indeterminates.

<h3>Degree of a Polynomial</h3>

The degree of a polynomial can be defined as the highest degree of a monomial within a polynomial.

The degree of the polynomial can be defined as a polynomial equation having a single variable that has the greatest exponent.

Therefore

The terms in descending powers of a variable are;

\rm =  9 - 12n ^2+ 4n ^3 - 7n\\&#10;\\&#10;= 4n^3 - 12n^2 - 7n + 9

Hence, The terms in descending powers of a variable are \rm 4n^3 - 12n^2 - 7n + 9&#10;&#10;.

To know more about Polynomial click the link given below.

brainly.com/question/10343430

7 0
3 years ago
In a certain large state university, older students get to choose their classes before younger students; that often means that f
lord [1]

There is a good evidence that freshmen have a better than 32% chance of getting the course if they ask for it.

The null hypothesis is that  freshmen do not have a better than 32% chance of getting the course if they ask for it.

The alternative hypothesis is freshmen have a better than 32% chance of getting the course if they ask for it.

<h3>What are the chance that a freshman would get the course?</h3>

The chance of getting the course = number of freshmen who got the course / total number of freshmen

73 / 200 = 36.50%

<h3>What are the null and alternative hypothesis?</h3>

The null hypothesis states that there is no relationship between the population parameters. It is known as the true hypothesis. In the question, the population parameters are freshmen and getting the course

The alternative hypothesis states that there is a relationship between the population parameters.

To learn more about the null hypothesis, please check: brainly.com/question/4454077

#SPJ1

7 0
2 years ago
Please help, this is due in 2 hours!!! help me out please
frutty [35]

Answer:

4. is not true

Step-by-step explanation:

t(x)/m(x) = (x-2)/(x-4)

4 0
4 years ago
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