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3 years ago

2-tert-butyl-3-methylhexane

Mathematics

1 answer:

kumpel [21]3 years ago

3 0

Answer:

Please upload this question properly

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Alright , help me out please (10 points)

Ksju [112]

Answer:

the first one

the third one

the fourth one

Step-by-step explanation:

1. x does equal 9

2. the equation would lead to x being canceled out so there would be an x in your answer

3. x does equal 30

4. x does equal 6

5. x should equal 135

7 0

3 years ago

katie has red 32% of a book if she has to read 80 pages how many more pages does Katie have left to read

galben [10]

In this question, the information that Katie has already read 32% of a book that has a total of 80 pages is of great importance. This information is enough to find the required answer to the question.
Total number of pages Katie has to read = 80
Percentage of pages that Cathie read = 32%
Number of pages that Katie read = (32/100) * 80
   = 256/10
   = 25.6 pages
Then
The number of pages that Katie have left to read = 80 - 25.6
   = 54.4 pages
So Katie has 54.4 pages left to read.

5 0

4 years ago

Let $P$ and $Q$ be constants. The graphs of the lines $x + 5y = 7$ and $15x + Py = Q$ are perpendicular and intersect at the poi

Marta_Voda [28]

Answer:

(-3, -129)

Step-by-step explanation:

Given

Two lines:

$x + 5y = 7$

$15x + Py = Q$

are perpendicular to each other and intersect at point (-8,3).

To find: (P, Q)

Solution:

The two lines intersect at (-8,3).

It means, the equation of line will be satisfied when we put value of x = -8 and y = 3

Putting in the second equation, we will get an equation in P and Q:

$15\times (-8) + P \times 3 = Q\\\Rightarrow 3P = Q +120 ..... (1)$

Given that two lines are perpendicular.

It means the product of their slopes will be equal to -1.

i.e. $m_1\times m_2=-1$

Slope of a line of the form $ax+by+c=0$ is given as:

$m=-\dfrac{a}{b}$

So, slopes of given lines are:

$m_1=-\dfrac{1}{5}\\m_2=-\dfrac{15}{P}$

Using the condition:

$-\dfrac{1}{5}\times \dfrac{-15}{P}=-1\\\Rightarrow P = -3$

Putting the value of P in equation (1):

$\Rightarrow 3\times (-3) = Q +120 \\\Rightarrow Q = -9-120 = -129$

So, answer is (-3, -129)

7 0

3 years ago

PLEASE HELP ME D: given the parent function of f(x) = x3, what change will occur when the function is changed to f(x − 3)

Alexxandr [17]

Hello,

Your answer would be:

The parent function is : f ( x ) = x³
f ( x + 3 ) = ( x + 3 )³
shift to the left 3 units.

Plz mark me brainliest!

Hope this helps!

4 0

4 years ago

Evaluate (-27)^-4/3 ((-27 to the power of -4/3))

masha68 [24]

Answer:

-1/81

Step-by-step explanation:

-27^-4/3

cbrt(-27^-4)

cbrt(-1/531441)

-1/81

5 0

3 years ago

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2-tert-butyl-3-methylhexane​

2-tert-butyl-3-methylhexane