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Svet_ta [14]
2 years ago
13

Someone help please. A sports website writing team tries to predict the number of visits to their site based on the number of po

sts they make each day. The scatter plot shows their findings.
Which relationship between the number of posts made and the number of website visits are indicated by the scatter plot?

Mathematics
1 answer:
dimaraw [331]2 years ago
6 0

Answer:

The scatter plot shows a positive correlation because the number of website visit increases as the number of posts increases

Step-by-step explanation:

The scatter plot shows a positive correlation because the number of website visit increases as the number of posts increases

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4. Two savings accounts each start with a $200 principal and have an interest rate of 5%. One account earns simple interest and
slega [8]

Answer:

The compounded annually account will earn more interest over 10 years

Step-by-step explanation:

The rule of the simple interest is I = Prt, where

  • P is the original value
  • r is the rate in decimal
  • t is the time

The rule of the compounded interest is A = P(1+\frac{r}{n})^{nt}, where

  • A is the new value
  • P is the original value
  • r is the rate in decimal
  • n is the number of periods
  • t is the time

The interest I = A - P

∵ Each account start with $200

∴ P = 200

∵ They have an interest rate of 5%

∴ r = 5% = 5 ÷ 100 = 0.05

∵ One account earns simple interest and the other is compounded  

   annually

∴ n = 1 ⇒ compounded annually

∵ The time is 10 years

∴ t = 10

→ Substitute these values in the two rules above

∵ I = 200(0.05)(10)

∴ I = 100

∴ The simple interest = $100

∵ I = A - P

∵ A = 200(1+\frac{0.05}{1})^{1(10)}

∴ A = 325.7789254

∵ I = 325.7789254 - 200

∴ I = 125.7789254

∴ The compounded interest = $125.7789254

∵ The simple interest is $100

∵ The compounded interest is $125.7789254

∵ $125.7789254 > $100

∴ The compounded annually account will earn more interest

   over 10 years

6 0
3 years ago
The hypotenuse of a 45°-45°-90° triangle measures in.
Zigmanuir [339]

Answer:

2in

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is the avrege of 4 1/2 3 1/3 2 and 2 1/6
Goryan [66]
2.4 should be your answer
7 0
2 years ago
Solve the problem. When going more than 38 miles per hour, the gas mileage of a certain car fits the model where x is the speed
Lubov Fominskaja [6]

Answer:

73 mph

Step-by-step explanation:

The question seems to be incomplete because the model is missing, I found a similar question with the addition of the model, so if we can solve it (see attached image).

We have that the model would be:

y = 43.81 - 0.395 * x

We need to solve for x, if y = 15

Replacing:

15 = 43.81 - 0.395 * x

Solving for x we have:

0.395 * x = 43.81 - 15

0.395 * x = 28.81

x = 28.81 / 0.395

x = 72.9

We are asked to round to the nearest number therefore x = 73.

The car will average 15 miles per gallon at the speed of 73 miles per hour.

8 0
3 years ago
Find the slope of the line passing through the points (-3,1) and (-3, -3).
Diano4ka-milaya [45]

Answer:

i need a graph to dp this sorry

Step-by-step explanation:

7 0
3 years ago
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