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alexira [117]
3 years ago
5

Please help :(

Mathematics
1 answer:
Natalka [10]3 years ago
3 0

An expression that can only provide a single solution, y, for any given input, x, is called a “function”.

The given pairs are in the form (x,y)

Looking at set A:

(4,-2), (-2, 2), (2,-2), (4, 2)

Notice that if x=2, there are 2 y’s, -2 and 2. Therefore this set is not a function.

 

<span>Answer: A is not a function</span>

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henry can write 5 pages of his novel in 3 hours at this rate how many pages can henry write in 8 hours​
My name is Ann [436]

Answer:

Henry can write 13 pages in 8 hours.

it can also be written as 13.3

4 0
3 years ago
Read 2 more answers
Use formula A=P(1+RT) to calculate the maturity value of the simple interest loan round to two decimal places.
kirill [66]

Answer:

$20,160

Step-by-step explanation:

They don't have a <em>year </em>to pay it back. They have <em>four </em>months so you just use that as time.

Write the equation

A = 15,000 x (1 + 0.086 x 4)

( ) first.

0.086 x 4 = 0.344

rewrite.

A = 15,000 x (1 + 0.344)

( ) again.

1 + 0.344 = 1.344

rewrite

15,000 x 1.344 = 20,160

Hope this helped! Please mark as brainliest! thanks!

7 0
3 years ago
For a data set of weights​ (pounds) and highway fuel consumption amounts​ (mpg) of eight types of​ automobile, the linear correl
Jobisdone [24]

Answer:

The P value indicates that the probability of a linear correlation coefficient that is at least as extreme is 0.3% which is not significant (at α = 0.05), so there is insufficient evidence to conclude that there is a linear correlation between weight and consumption. of highway fuel in cars.

Step-by-step explanation:

We have that the correlation coefficient shows the relationship between the weights and amounts of road fuel consumption of seven types of car, now the P value establishes the importance of this relationship. If the p-value is lower than a significance level (for example, 0.05), then the relationship is said to be significant, otherwise it would not be so, this case being 0.003 not significant.

The statement would be the following:

The P value indicates that the probability of a linear correlation coefficient that is at least as extreme is 0.3% which is not significant (at α = 0.05), so there is insufficient evidence to conclude that there is a linear correlation between weight and consumption. of highway fuel in cars.

5 0
3 years ago
Eric and Sarah both have lemonade stands. The graph below represents how many cups of lemonade Eric sells per day. The equation
Georgia [21]

Answer:

Eric

Step-by-step explanation:

At 5 days (the x axis), the y axis is 60 which is how much lemonade he sold.

sarah sold 10x or 10 x 5 days=50 cups.

‘Eric sold 60, Sarah sold 50

6 0
3 years ago
Find an equation for the line below.
emmasim [6.3K]

Answer:

  y = -4/5x - 0.8

Step-by-step explanation:

A(-6, 4)

B(4, -4)

Find slope using the two points above:

m = (y₂ - y₁) / (x₂ - x₁)

   = (-4 - 4) / (4 - (-6))

   = -8 / 10

m = -4/5

Find y-intercept using m from above and anyone point, let's use (-6, 4):

y = mx + b

4 = -4/5(-6) + b

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b = -0.8

Use m and b from above to form equation of line:

y = mx + b

y = -4/5x - 0.8

7 0
2 years ago
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