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3 years ago

Plz help me plzzzz I need it

Mathematics

1 answer:

Gelneren [198K]3 years ago

5 0

Step-by-step explanation:

y= 30x + 180

there is no solution to represent Karen which is 4x + 100

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The formula is:<br> Y= mx+b

Aliun [14]

<h2> Question 1</h2>

Answer:

The graph is showing the story.

Step-by-step explanation:

Victoria is on the 13th page of the book, she reads 3 pages after every next hour.

After 1st hour she has read = 13 + 3 = 16

As she reads 3 pages after every next hour.

After 2nd hour she has read = 16 + 3 = 19

After 3rd hour she has read = 19 + 3 = 22

After 4th hour she has read = 22 + 3 = 25

After 5th hour she has read = 25 + 3 = 28

So the graph is showing this phenomena.

<h2> Question 2</h2>

Answer:

The equation that would generate this graph and table would be:

$y=\:3x+13$

Step-by-step explanation:

Given the slope-intercept form of the equation of the line

$y=\:mx+b$

Taking any two points

(1, 16)

(2, 19)

$\mathrm{Slope\:between\:two\:points}:\quad \mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}$

$\left(x_1,\:y_1\right)=\left(1,\:16\right),\:\left(x_2,\:y_2\right)=\left(2,\:19\right)$

$m=\frac{19-16}{2-1}$

$m=3$

Plugging any point, let say (1, 16), and m = 3 in the slope-intercept form to find the value of b (y-intercept).

$y=\:mx+b$

$16=\:3\left(1\right)+b$

$\mathrm{Switch\:sides}$

$3\left(1\right)+b=16$

$\mathrm{Remove\:parentheses}:\quad \left(a\right)=a$

$3\cdot \:1+b=16$

$\mathrm{Multiply\:the\:numbers:}\:3\cdot \:1=3$

$3+b=16$

$\mathrm{Subtract\:}3\mathrm{\:from\:both\:sides}$

$3+b-3=16-3$

$b=13$

Thus the equation that would generate this graph and table is:

$y=\:mx+b$

m = 3

b = 13

$y=\:3x+13$

Therefore, the equation that would generate this graph and table would be:

$y=\:3x+13$

6 0

4 years ago

Find the probability of at least 2 girls in 6 births. assume that male and female births are equally likely and that the births

faust18 [17]

Sounds like a problem in binomial probability. What do you think?

Here the # of experiments is 6, so n = 6. The probability of a baby girl being born is 0.50.

Using my TI-83 Plus calculator:

binompdf(6, 0.5, 2) = 0.234
binompdf(6, 0.5, 3) = 0.313
binompdf(6, 0.5, 4) = 0.234
binompdf(6, 0.5, 5) = 0.094
binompdf(6, 0.5, 6) = 0.016

To get the prob. of at least 2 girls in 6 births, add up the 5 probabilities given above:

P(at least 2 girls in 6 births) = 0. ???

4 0

4 years ago

Question 3 of 10<br> What is 9C6?<br> O A. 96<br> OB. 10<br> O C. 56<br> O D. 84

koban [17]

The answer is d because

3 0

3 years ago

If two angles form a linear pair and the measure of the first angle is one-fifth the measure of the second angle, what is the me

kari74 [83]

Well, one angle has one share of the linear angle, and the other one has five shares. All together, they add up to six shares of the linear angle.

BUT ... a linear angle adds up to 180°. So each share must be (180°/6) = 30°.

The smaller one (one share) is 30°, and the larger one (5 shares) is 150°.