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3 years ago

9

Which expression represents the total number of pages Saul has read, where W represents the number of the weeks since he first s

tarted reading

2 answers:

andrew-mc [135]3 years ago

7 0

Y = 50 + 65w
It would be the second response

svlad2 [7]3 years ago

6 0

Answer:

Y = 50 + 65w

Step-by-step explanation:

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Alabama papas must average 80 on five test . Scores on the first four test were 81 73 84 and 76 what is the lowest score she can

Salsk061 [2.6K]

She has to score at least 86 on her fifth test.

Further explanation:

We will use the average formula to find the fifth value.

Given

$Average\ required=80\\x_1=81\\x_2=73\\x_3=84\\x_4=76\\x_5=?$

We have to find x5

The formula for average is:

$x=\frac{Sum\ of\ values}{Total\ number\ of\ values}\\Here,\\n=5\\So,\\x=\frac{x_1+x_2+x_3+x_4+x_5}{5}\\Putting\ values\\80=\frac{81+73+84+76+x_5}{5}$

$80*5=314+x_5\\400=314+x_5\\x_5=400-314\\x_5=86$

She has to score at least 86 on her fifth test.

Keywords: Average, Word Problems

Learn more about average at:

#LearnwithBrainly

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3 years ago

Timed please help added picture

DaniilM [7]

Answer:

$\sqrt[4]{2}^{3}$

Step-by-step explanation:

7 0

2 years ago

Can someone please explain how to do these?

Pani-rosa [81]

Answer:

<u>First question answer:</u> The limit is 69

<u>Second question answer:</u> The limit is 5

Step-by-step explanation:

For the first limit, plug in $x=8$ in the expression $(9x-3)$ , that's the answer for linear equations and limits.

So we have:

$9x-3\\9(8)-3\\72-3\\69$

The answer is 69

For the second limit, if we do same thing as the first, we will get division by 0. Also indeterminate form, 0 divided by 0. Thus we would think that the limit does not exist. But if we do some algebra, we can easily simplify it and thus plug in the value $x=1$ into the simplified expression to get the correct answer. Shown below:

$\frac{x^2+8x-9}{x^2-1}\\\frac{(x+9)(x-1)}{(x-1)(x+1)}\\\frac{x+9}{x+1}$

<em>Now putting 1 in $x$ gives us the limit:</em>

$\frac{x+9}{x+1}\\\frac{1+9}{1+1}=\frac{10}{2}=5$

So the answer is 5

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3 years ago

la rueda de una bicicleta tiene una circunferencia de dos metros cuanto avanzara esta bicicleta si su rueda gira a 900 grados

romanna [79]

Im english speak english sorry

8 0

3 years ago

Read 2 more answers

A line that intersects two or more lines is called a parallel line true or false

Irina18 [472]

Answer:

False

Step-by-step explanation:

Parallel lines never touch

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3 years ago