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cricket20 [7]
2 years ago
15

−2x=x^2 −6 from khan academy helppppppp please

Mathematics
1 answer:
masya89 [10]2 years ago
5 0
This is in its simplest form.
There are no like terms to an operation
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Write an equation in slope-intercept form for a line that passes through the
Anvisha [2.4K]

Answer:

y=(1/2)x+4

Step-by-step explanation:

you have 2 points but in order to find slope intercept you need slope so,

(y2-y1)/(x2-x1)

(-1+4)/(8-2)=1/2 =slope

slope intercept:

y-y1=m(x-x1)

y-2=(1/2)(x+4)

y-2=(1/2)x+2

y=(1/2)x+4

3 0
3 years ago
State if the function is a growth or decay and the factor <br><br> y=2x
Jet001 [13]

Answer:

the function shows growth of a factor of 2

Step-by-step explanation:

3 0
2 years ago
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Consider an urn containing 8 white balls, 7 red balls and 5 black balls.
weqwewe [10]

Answer + Step-by-step explanation:

1) The probability of getting 2 white balls is equal to:

=\frac{8}{20} \times \frac{7}{19}\\\\= 0.147368421053

2) the probability of getting 2 white balls is equal to:

=C^{2}_{5}\times (\frac{8}{20} \times \frac{7}{19}) \times (\frac{12}{18} \times \frac{11}{17} \times \frac{10}{16})\\=0.397316821465

3) The probability of getting at least 72 white balls is:

=C^{72}_{150}\times \left( \frac{8}{20} \right)^{72}  \times \left( \frac{7}{20} \right)^{78}  +C^{73}_{150}\times \left( \frac{8}{20} \right)^{73}  \times \left( \frac{7}{20} \right)^{77}  + \cdots +C^{149}_{150}\times \left( \frac{8}{20} \right)^{149}  \times \left( \frac{7}{20} \right)^{1}  +\left( \frac{8}{20} \right)^{150}

=\sum^{150}_{k=72} [C^{k}_{150}\times  \left( \frac{8}{15} \right)^{k}  \times \left( \frac{7}{15} \right)^{150-k}]

5 0
11 months ago
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The _____ of a line is y=mx+b. The variable m in the equation stands for the _____. The variable b in the equation stands for th
baherus [9]

Answer:

The answers in order are:

slope-intercept form

slope of a line

y-intercept

Step-by-step explanation:

These are the definitions of the terms.

y=mx+b is called slope-intercept form because it contains the slope (m) and y-intercept (b)

slope of a line is change in y over change in x (steepness) which is m

y-intercept is point line intercepts y-axis and is b

6 0
2 years ago
Here is the sample space for three tosses of a coin. {HHH, HHT, HTH, HTT, THH, THT, TTH, TTT} calculate te probability that all
maw [93]
Since there are 8 possibilities, but only one of them results in 3 tails tosses, the answer would be 1/8. 1 chance out of 8 possibilities.
8 0
2 years ago
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