3 years ago

Find an expression for the function f(x) whose graph is a line passing through the points (8,-5) and (-9,2). f(x)=

Mathematics

1 answer:

pentagon [3]3 years ago

3 0

Answer:

Step-by-step explanation:

hello : look this solution

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Urgent please!!! I really don’t understand it, tysm to anyone who can answer thissss :))))

Tomtit [17]

Given:

The frequency distribution table.

To find:

The mean average score on a test.

Solution:

The frequency distribution table is

$Marks (x_i)$ $Frequency(f_i)$ $f_ix_i$

x a xa

y b yb

z c zc

Sum a+b+c xa+yb+zc

Now, the mean average score on the test is

$Mean=\dfrac{\sum f_ix_i}{\sum f_i}$

$Mean=\dfrac{xa+yb+zc}{a+b+c}$

Therefore, the mean average score on the test is $\dfrac{xa+yb+zc}{a+b+c}$ .

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2 years ago

Hannah can paint a room in 8 hours. Destiny can paint the same room in 6 hours. How long does it take for both Hannah and Destin

Ksivusya [100]

Answer:

3 hours 26 minutes

Step-by-step explanation:

1/8 + 1/6 = 1/t where t is the required time in hours.

Multiply through by 24t:-

3t + 4t = 24

7t = 24

t = 3 3/7 hours

or 3 hours 26 minutes to the nearest minute.

6 0

3 years ago

Simplify i^5+i^6+ i^7+i^8<br><br> WILL GET 20 POINTS

Veronika [31]

I^5 + i^6 + i^7 + i^8

i^11 + i^15

i^26

therefore your answer is:

i^26

7 0

2 years ago

2/3 * 1/2 i need to know this answer

Nataly [62]

0.33333333 repeating

6 0

3 years ago

Read 2 more answers

christina lost 1/10 of her marbles when she was on the playground. She lost 8/10 of her marbles while walking home. How many mar

Kisachek [45]

Answer:

9/10

Step-by-step explanation:

She lost 1/10 and 8/10 marbles. When you add them up you get 9/10. There for, Christina lost 9/10 marbles altogether.

Hope this helps :)

3 0

3 years ago