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Stels [109]
1 year ago
5

Let f: double-struck R4 → double-struck R and c(t): double-struck R → double-struck R4. Suppose ∇f(1, 1, π, e6) = (0, 1, 5, −2),

c(π) = (1, 1, π, e6), and c'(π) = (19, 11, 0, 1). Find d(f ∘ c)/dt when t = π.

Mathematics
1 answer:
nalin [4]1 year ago
7 0

d ( f o c) / dt = 9

( solution is attached below)

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The solution to a quadric equation are x=2 and x=7. If k is a nonzero constant which of the following must be equal to the quadr
nikklg [1K]

Answer:

The quadratic equation form is x² - 9 x + 14  = 0            

Step-by-step explanation:

Given in the question as ,

The solution of quadratic equation are x = 2   and x = 7

The constant K is a non-zero number

Now , let the quadratic equation be , ax² + bx + c = 0

And  sum of roots = \frac{ - b}{a}

       product of roots = \frac{c}{a}

So, 2 + 7 = \frac{ - b}{a}

Or, 2 × 7 =  \frac{c}{a}

I.e \frac{ - b}{a}  = 9     ,     \frac{c}{a} = 14

Or,  b =  - 9 a           And c = 14 a

Put this value of b and c in standard form of quadratic equation

I.e ax² + bx + c = 0

Or, ax² - 9 ax + 14 a = 0

Or , a ( x² - 9 x + 14 ) = 0  

∴ a = 0   And  x² - 9 x + 14 = 0

Hence ,  The quadratic equation form is x² - 9 x + 14  = 0      Answer

7 0
1 year ago
Which is equivalent toStartRoot 10 EndRoot Superscript three-fourths x ?
DENIUS [597]

Answer:

I THINK its the last one (8 root 10 to the power of 3x)

Step-by-step explanation:

A square root is the same thing as raising something to the 1/2. So the expression we have is (10^1/2)^3/4x.

Due to exponent rules we can multiply to get

10^3/8x which is the same thing as 10^3x/8

The 8 goes to the root and the 3x becomes the exponent

4 0
2 years ago
What is the value of n in the equation –negative StartFraction one-half EndFraction left-parenthesis 2 n plus 4 right-parenthesi
fgiga [73]

Answer:

Solution to equation: n = 1

Step-by-step explanation:

We are given the following equation:

-\dfrac{1}{2}(2n + 4) + 6 = -9 + 4(2n + 1)

We have to solve the equation to find the value of n.

Solving the equation, we get,

-\dfrac{1}{2}(2n + 4) + 6 = -9 + 4(2n + 1)\\\\-\dfrac{1}{2}(2n + 4)-4(2n+1) = -9-6\\\\-n-2-8n-4 = -15\\\Rightarrow -9n = -15 + 6\\\Rightarrow -9n = -9\\\Rightarrow n = 1

Thus, value of n is 1.

4 0
2 years ago
Jillian’s school is selling tickets for a play. The tickets cost $10.50 for adults and $3.75 for students. The ticket sales for
sergij07 [2.7K]

Answer:

The number of adults tickets sold   = 168.

Step-by-step explanation:

The cost of 1 adult ticket  = $10.50

The cost of 1 student ticket =  $3.75

The total sales from the ticket = $2071.50

Now, here let us assume

The number of adult tickets sold  = a

The number of student tickets sold  = b

So, the equation is given as :

10.50 a + 3.75 b = 2071.50

Now, its given the number of students  = 82

⇒ <u>b  =  82</u>

Putting the value of b in the above equation,w e get:

10.50 a + 3.75 ( 82) =  2071. 50

or, 10.50 a  = 2071.50 - 307.5 =  1764

or, a = 1764/10.5 =  168

Hence, the number of adults tickets sold  = a = 168.

3 0
2 years ago
Read 2 more answers
Iesha’s quality-control manager told her she must have 97% of her clocks functioning properly. She found a report that said 6 ou
german

Answer:

  • Keisha’s experimental probability is 1/50.
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  • Keisha will have more than 97% of the products working.

Step-by-step explanation:

These are three prediction that Keisha can make based on the report that said 6 of 300 clocks tested weren't working.

Base on that information, Keisha can calculate an experimental probability, dividing <em>clocks that don't work properly </em>by <em>the total amount of clocks</em><em>:</em>

<em>P_{clocks} = \frac{6}{300}=\frac{1}{50} = 0.02 (or 2\%)</em>

Therefore, the probability of success is 100% - 2% = 98%.

This means that Keisha has a probability of having 98% of all clocks functioning properly. So, she can make the prediction:<em> from 4000 clocks, 3920 will work. </em>Also, she can predict that she will actually have more than 97% working, because the experimental probability is higher than that.

6 0
1 year ago
Read 2 more answers
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