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3 years ago

Solve for a: c=10 and b=22 a+c=6 a=

Mathematics

2 answers:

scZoUnD [109]3 years ago

6 0

Answer:

a = -4

Step-by-step explanation:

a + c = 6

substitute 10 for 'c'

a + 10 = 6

a = -4

Fantom [35]3 years ago

5 0

Answer:

a has to be a negative since c is equal to 10 so a is -4 because -4 + 10= 6

Step-by-step explanation:

hope this helps.

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3 years ago

In a sample of 528 customers, 237 say they are happy with the service. If you select three customers without replacement for a c

DanielleElmas [232]

Answer: 0.0898

Step-by-step explanation:

Probability = $\dfrac{favorable\ outcomes}{Total\ outcomes}$

Given : Sample size : 528

Number pf customers say they are happy = 237

Probability of getting one happy customer= $\dfrac{237}{528}$

Probability of getting second happy customer= $\dfrac{236}{527}$ [subtract 1 from both numbers]

Probability of getting third happy customer= $\dfrac{235}{526}$

If 3 customers are elected without replacement

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3 0

3 years ago

rewrite the standard form equation below into slope-intercept form. x-2y=3 A. y=x+3 By=-3/2x-1/2 C.y=3/2x-1/2 D.y=1/2x-3/2

quester [9]

Let us start converting!

$x-2y=3 \ \textgreater \ \mathrm{Subtract\:}x\mathrm{\:from\:both\:sides} \ \textgreater \ x-2y-x=3-x$

$-2y=3-x \ \textgreater \ \mathrm{Divide\:both\:sides\:by\:}-2 \ \textgreater \ \frac{-2y}{-2}=\frac{3}{-2}-\frac{x}{-2}$

$\frac{-2y}{-2} \ \textgreater \ \mathrm{Apply\:the\:fraction\:rule}:\ \frac{-a}{-b}=\frac{a}{b} \ \textgreater \ \frac{2y}{2}$

$\mathrm{Divide\:the\:numbers:}\:\frac{2}{2}=1 \ \textgreater \ y$

$\frac{3}{-2}-\frac{x}{-2} \ \textgreater \ \mathrm{Apply\:rule}\:\frac{a}{c}\pm \frac{b}{c}=\frac{a\pm \:b}{c} \ \textgreater \ \frac{3-x}{-2}$

$\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{a}{-b}=-\frac{a}{b}\ \textgreater \ -\frac{-x+3}{2} \ \textgreater \ y = -\frac{3-x}{2}$

$Therefore... y=\frac{1}{2}x-\frac{3}{2} (Note: m=\frac{1}{2},\:b=-\frac{3}{2})$

M is the slope and b is the y intercept.

Hope this helps!

8 0

3 years ago