3 years ago

Factor completely. vwx + wxy - xyz

Mathematics

2 answers:

Ivahew [28]3 years ago

7 0

Answer:

C would be your answer, Hope i can help you

Step-by-step explanation:

xenn [34]3 years ago

6 0

The answer to the question

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If f ( x ) is a linear function, f ( − 1 ) = − 4 , and f ( 2 ) = 1 , find an equation for f ( x ) in slope-intercept form.

Doss [256]

Linear functions are given in the form:
y = mx + n
m slope
n y-intercept

Inserting the given values:
-4 = -1m + n
1 = 2m + n

Solve for m and n.

6 0

4 years ago

the function f(t)= 3,500(1.003)^t gives the value of a saving account t months after it was opened.How long will it take for the

Pavel [41]

Answer:

After 19 months,value in the account will reach $3700

Step-by-step explanation:

The value of a savings account f(t) in terms of t ( number of months since account opening) is given as $3,500(1.003)^{t}$

We need to determine the value of t when f(t)>=3700

Expressing it in equation form,

$3,500(1.003)^{t} >= 3700$

$=>(1.003)^{t} >= \frac{3700}{3500}$

$=>(1.003)^{t} >= 1.057$

Taking log of both sides,

$=>t * log(1.003) >= log(1.057)$

$=>t >= \frac{log(1.057)}{log(1.003)}$

$=>t >= 18.51$

So t = 19.

6 0

3 years ago

What are the zeros of the function f(x) = x2 + 5x + 5 written in simplest radical form?

Pavel [41]

$\boxed{x_{1}=\frac{-5 + \sqrt{5}}{2}} \\ \\ \\ \boxed{x_{2}=\frac{-5 - \sqrt{5}}{2}}$

<h2>Explanation:</h2>

Using the quadratic formula:

$x=\frac{-b \pm \sqrt{b^2-4ac}}{2a} \\ \\ \\ Here: \\ \\ f(x) = x^2 + 5x + 5 \\ \\ \\ So: \\ \\ a=1 \\ \\ b=5 \\ \\ c=5 \\ \\ \\ x=\frac{-5 \pm \sqrt{5^2-4(1)(5)}}{2(1)} \\ \\ x=\frac{-5 \pm \sqrt{25-20}}{2} \\ \\ x=\frac{-5 \pm \sqrt{5}}{2} \\ \\ \\ Two \ solutions: \\ \\ \boxed{x_{1}=\frac{-5 + \sqrt{5}}{2}} \\ \\ \\ \boxed{x_{2}=\frac{-5 - \sqrt{5}}{2}}$