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KengaRu [80]
1 year ago
5

Do the points on the linehave a constant ratio of they-coordinate to the x-co-ordinate for any point onthe line except the y-int

er-cept? Explain your answer.
Mathematics
1 answer:
kvasek [131]1 year ago
8 0
\begin{gathered} \text{the ratio asked is} \\ m=\frac{y}{x},\text{ which is the slope by taking the initial point as the origin} \\ when\text{ the line intercept the y axes, x =0} \\ \text{then } \\ m=\frac{y}{0} \\ \sin ce\text{ its a dividision by zero, the slope is infinite} \\  \end{gathered}\begin{gathered} \text{remember that the slope, in general, is given by} \\ m=\frac{y_2-y_1}{x_2-x_1} \\ \text{where, point A could be A=(x}_1,y_1)andpointBcouldbeB=(x_2,y_2) \end{gathered}\begin{gathered} \text{if you take as point A=(0,0), the slope equation is} \\ m=\frac{y_2}{x_2} \end{gathered}

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According to a certain​ country's department of​ education, 39.9​% of​ 3-year-olds are enrolled in day care. what is the probabi
Yuliya22 [10]
The probability would be 39.9%

The given probability states that 39.9% of the 3 years olds are in daycare. Therefore, it would be obvious to assume that if you randomly selected a 3 year old, that would be the probability that he/she is in daycare.
8 0
3 years ago
What is the measurement of Angel ADC in quadrilateral ABCD? <br><br> -Thank You
skad [1K]
<ADC = <BAD = 115

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5 0
3 years ago
I need help please !!! <br><br>​
lora16 [44]

Answer: g(4)= -60

Step-by-step explanation:

You just plug in 4 into the equation

g(4)= 2√4 - (4)³

g(4)= 2√4 - (4)³

g(4)= 2·2 - (64)

g(4)= 4 - 64

g(4)= -60

7 0
3 years ago
Solve 5^3x+1 = 4^x-5 for x
tensa zangetsu [6.8K]

For the equation 5^{3x+1}=4^{x-5} take the \log from both sides:

\log 5^{3x+1}=\log 4^{x-5},\\ \\(3x+1)\log 5=(x-5)\log 4.

Find x:

3x\log 5+\log 5=x\log 4-5\log 4,\\ \\3x\log 5-x\log 4=-5\log 4-\log 5,\\ \\x(3\log 5-\log 4)=-5\log 4-\log 5,\\ \\x=\dfrac{-5\log 4-\log 5}{3\log 5-\log 4}=\dfrac{5\log 4+\log 5}{\log 4-3\log 5}.

Answer: correct choice is D

7 0
3 years ago
Read 2 more answers
suppose that a restaurant chain claims that its bottles of ketchup contain 24 ounces of ketchup on average, with a standard devi
ivann1987 [24]

Answer:

The 96% confidence interval for the mean number of ounces of ketchup per bottle in the sample is 24 ± 0.029

Step-by-step explanation:

Given

Mean, x = 24 ounces

Standard deviation, σ = 0.2 ounces

Sample Size, n = 49 bottles of ketchup

Confidence Interval of 95% (0.95)

To calculate the confidence at this level, the following steps are to be followed;

1. Calculating degree of freedom:

Degree of freedom (df) is calculated by subtracting 1 from the sample size.

df = n - 1

df = 49 - 1

df = 48

2. Subtract the confidence level from 1, then divide by two.

α = (1 – .95) / 2 = 0.025

3. Look up the answers to (1) and (2) in the t-distribution table.

For 48 degrees of freedom (df) and α = 0.025,

We get 2.0106

4. Divide sample standard deviation by the square root of sample size.

i.e σ/√n

= 0.2/√49

= 0.2/7

= 0.02857

= 0.029

5. Finally, the 95% confidence interval is calculated using the following illustration.

X ± result in step 5

Where x = 24

So, we have

24 ± 0.029

8 0
3 years ago
Read 2 more answers
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