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3 years ago

I need help due in a Hour

Mathematics

1 answer:

blagie [28]3 years ago

3 0

Answer:

2.3 Inches

Step-by-step explanation:

Divide 14/6

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SIMPLE MATH PROBLEM! PLEASE HELP! The equation needs to use c, t, and =. Thanks!

Liula [17]

The cost c, is 55 per ticket t, so the equation is c=55t

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3 years ago

3+2−16⋅9=? can you help me

wel

-99..?? I think that’s the answer

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3 years ago

Read 2 more answers

Given f(x)=x^2+5 and g(x)=2x^3-1 find (f/g)(-3)

AlekseyPX

For this case we have the following functions:

$f (x) = x ^ 2 + 5\\g (x) = 2x ^ 3-1$

By definition of composition of functions we have:

$(f / g) (x) = \frac {f (x)} {g (x)}$

Then substituting:

$f (-3) = (- 3) ^ 2 + 5 = 9 + 5 = 14\\g (-3) = 2 (-3) ^ 3-1 = 2 (-27) -1 = -54-1 = -55$

So:

$(f / g) (- 3) = \frac {14} {- 55} = - 0.25$

Answer:

$(f / g) (- 3) = \frac {14} {- 55} = - 0.25$

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3 years ago

Which vector matrix represents the reflection of the vector <-1,5> across the line x = y

Arturiano [62]

Answer:

$V = \left[\begin{array}{ccc}5&-1\end{array}\right]$

Step-by-step explanation:

We want to reflect this 2x1 vector on the line y = x.

To make this reflection we must use the following matrix:

$R=\left[\begin{array}{cc}0&1\\1&0\\\end{array}\right]$

Where R is known as the reflection matrix on the line x = y

Now perform the product of the vector <-1,5> x R.

$\left[\begin{array}{ccc}-1\\5\end{array}\right]x\left[\begin{array}{ccc}0&1\\1&0\end{array}\right]\\\\\\\left[\begin{array}{ccc}-1(0) +5(1)&-1(1)+5(0)\end{array}\right]\\\\\\\left[\begin{array}{ccc}5&-1\end{array}\right]$

The vector matrix that represents the reflection of the vector <-1,5> across the line x = y is:

$V = \left[\begin{array}{ccc}5&-1\end{array}\right]$

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3 years ago

Giải phương trình y'=0 biết:y=x^4

Mila [183]

Answer:

Step-by-step explanation:

1) y'=(x⁴)'=4x³;

2) ∡ y'=0, ⇒ 4x³=0; ⇒ x=0.

7 0

3 years ago