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Mashcka [7]
3 years ago
7

Identify the type of slope and then find the slope of the line.

Mathematics
1 answer:
Irina18 [472]3 years ago
4 0

Answer:

  • -1/2, negative slope

Step-by-step explanation:

As per graph it is visible that the slope is negative, it goes down when x-value increases

<u>Use two points to find the slope:</u>

  • (-4, -1) and (0, -3)

<u>Slope formula:</u>

  • m = (y2 - y1)/(x2 - x1)

<u>Value of the slope:</u>

  • m = (-3 - (-1))/(0 - (-4)) = -2/4 = -1/2
You might be interested in
A theatreticket cost £63 plus a booking fee of 3%. What is the total price of the ticket
Ierofanga [76]

3% of 63 = 1.89

63 + 1.89 = 64.89

The total price of the ticket is £64.89!

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

7 0
3 years ago
What is f(5) if f(1)=3.5 and f(x+1)=5\2 f(x)
katen-ka-za [31]

Answer:

f(5) = 136.71875‬

Step-by-step explanation:

f(5) if f(1)=3.5 and f(x+1)=5\2 f(x)

f(2) = (5/2)* f(1) = (5/2)* 3.5  = 8.75

f(3) = (5/3)*f(2) =(5/2) * 8.75

f(4) = (5/3)*f(3) =(5/2)*(5/2) * 8.75

f(5) = (5/3)*f(4) = (5/3)*(5/2)*(5/2) * 8.75

f(5) = (5/2)^4  * 3.5 = (625/16) * 3.5 = 136.71875‬

f(5) = 136.71875‬

4 0
3 years ago
What divides into 78?? Thanks for your help if your trying to solve it &lt;3
Mademuasel [1]
6 divides into 78 which gives a quotient of 13.
Hope i'm the brainliest!
5 0
2 years ago
In a sample of eight whitefish caught in Yellowknife Bay, the mean arsenic concentration in the liver was 0.32 mg/kg, with a sta
Advocard [28]

Answer:

The 95% confidence interval for the concentration in whitefish found in Yellowknife Bay is (0.2698 mg/kg, 0.3702 mg/kg).

Step-by-step explanation:

We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 8 - 1 = 7

95% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 7 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.95}{2} = 0.975. So we have T = 2.3246

The margin of error is:

M = T\frac{s}{\sqrt{n}} = 2.3646\frac{0.06}{\sqrt{8}} = 0.0502

In which s is the standard deviation of the sample and n is the size of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 0.32 - 0.0502 = 0.2698 mg/kg

The upper end of the interval is the sample mean added to M. So it is 0.32 + 0.0502 = 0.3702 mg/kg

The 95% confidence interval for the concentration in whitefish found in Yellowknife Bay is (0.2698 mg/kg, 0.3702 mg/kg).

8 0
2 years ago
I’ll give 50 points if you can help
lbvjy [14]

Answer:

Simplifying

5x + x = 54

Combine like terms: 5x + x = 6x

6x = 54

Solving

6x = 54

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Divide each side by '6'.

x = 9

Simplifying

x = 9

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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