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Rashid [163]
3 years ago
9

Write the linear function y -

Mathematics
1 answer:
anzhelika [568]3 years ago
4 0

Answer:

y=x+1

Step-by-step explanation:

please get some help

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8. A banker's loan officer rates applications for credit. The rates are normally distributed with a mean of 200 and a standard d
masha68 [24]

Answer:

802

Step-by-step explanation:

3 0
3 years ago
Which shows a difference of squares?
Romashka [77]
Difference of two squares will be 

16y^2 -x^2 = (4y -x)(4y +x)

so the second choice 
6 0
3 years ago
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You are asked to help out in the merchandise department. You sell $750 worth of $30 math teaching kits. How many kits did you se
Alex Ar [27]
$750 / $30 = 25 maths teaching kids

$350 / $25 = 14 maths starter kits
if you wanted to see if it was right, you would just do 14*25 and you would get $350

hope I helped!!
7 0
3 years ago
For what value of c is the function defined below continuous on (-\infty,\infty)?
kozerog [31]
f(x)= \left \{ {{x^2-c^2,x \ \textless \  4} \atop {cx+20},x \geq 4} \right


It's clear that for x not equal to 4 this function is continuous. So the only question is what happens at 4.
<span>A function, f, is continuous at x = 4 if 
</span><span>\lim_{x \rightarrow 4} \  f(x) = f(4)

</span><span>In notation we write respectively
</span>\lim_{x \rightarrow 4-} f(x) \ \ \ \text{ and } \ \ \ \lim_{x \rightarrow 4+} f(x)

Now the second of these is easy, because for x > 4, f(x) = cx + 20. Hence limit as x --> 4+ (i.e., from above, from the right) of f(x) is just <span>4c + 20.
</span>
On the other hand, for x < 4, f(x) = x^2 - c^2. Hence 
\lim_{x \rightarrow 4-} f(x) = \lim_{x \rightarrow 4-} (x^2 - c^2) = 16 - c^2

Thus these two limits, the one from above and below are equal if and only if
 4c + 20 = 16 - c²<span> 
 Or in other words, the limit as x --> 4 of f(x) exists if and only if
 4c + 20 = 16 - c</span>²

c^2+4c+4=0&#10;\\(c+2)^2=0&#10;\\c=-2

That is to say, if c = -2, f(x) is continuous at x = 4. 

Because f is continuous for all over values of x, it now follows that f is continuous for all real nubmers (-\infty, +\infty)

4 0
3 years ago
David tosses two coins the possible outcomes for tossing two coins is given what is the probability of both coins landing on hea
aalyn [17]

Answer:

1/2

Step-by-step explanation:

5 0
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