All categories

2 years ago

Which line has a slope of -1/2? Line A Line B Line C Line D

Mathematics

1 answer:

Alex73 [517]2 years ago

8 0

Answer:

Line D

Step-by-step explanation:

Two points that passes through line D : (0,-2) & ( -4 , 0)

$Slope =\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}\\\\\\=\dfrac{0-[-2]}{-4-0}\\\\\\=\dfrac{0+2}{-4}\\\\\\=\dfrac{2}{-4}\\\\\\=\dfrac{-1}{2}$

You might be interested in

Lucy spends 4 hours a week babysitting. Her sister Lily spends seven eighths as much time babysitting. Does Lily babysit for mor

olganol [36]

Answer:

Lily babysit for less than 4 hours.

Step-by-step explanation:

Given:

Lucy spends in a week babysitting for 4 hours.

Lily spends seven-eighths of 4 hours.

Now, to find whether Lily babysit for more than 4 hours or less than that.

Number of hours Lucy babysit = 4 hours.

So, to get the hours Lily babysit:

$\frac{7}{8}\ of\ 4\ hours.$

$=\frac{7}{8}\times 4\\\\=\frac{28}{8} \\\\$

On simplifying we get:

$=\frac{7}{2} \\\\=3\frac{1}{2}\ hours.$

Thus, Lily spends $3\frac{1}{2}\ hours$ for babysitting which is less than 4 hours.

Therefore, Lily babysit for less than 4 hours.

4 0

3 years ago

Brandon placed an order for 3 8 of a sack of brown lentils and 1 8 of a sack of green lentils. How much more brown lentils did B

n200080 [17]

The answer is B if they are fractions.

3/8-1/8=2/8 or simplified 1/4
Have a good day.

7 0

3 years ago

Read 2 more answers

The Paralyzed Veterans of America is a philanthropic organization that relies on contributions. They send free mailing labels an

lions [1.4K]

Answer:

Confidence interval: (0.04649,0.04913)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 100,000

Number of people who donated, x = 4781

$\hat{p} = \dfrac{x}{n} = \dfrac{4781}{100000} = 0.04781
$

95% Confidence interval:

$\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

Putting the values, we get:

$0.04781
\pm 1.96(\sqrt{\dfrac{0.04781
(1-0.04781
)}{100000}})\\\\=0.04781
\pm 0.00132\\\\=(0.04649,0.04913)$

is the required 95% confidence interval for the true proportion of their entire mailing list who may donate.

3 0

3 years ago

The dimensions of a rectangular prism are shown below:

GuDViN [60]

Answer:

...........

Step-by-step explanation:

...........

5 0

2 years ago

Read 2 more answers

X + 2 = 3 What’s the answer

kondor19780726 [428]

Answer: x=1

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers