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alisha [4.7K]
2 years ago
14

HELP PLEASEEEE!!! First correct answer gets brainliest! ​

Mathematics
1 answer:
MissTica2 years ago
8 0
The slope is 2/3
the y-intercept is (0, 1)
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Which is NOT the graph of a function?
BabaBlast [244]

Answer:

B. it's not useful for this question

4 0
2 years ago
Solve:<br><br> a<br> no solution<br> b<br> infinitely many solutions
Dmitry_Shevchenko [17]

Answer: a

no solution

Step-by-step explanation:

Solve by substitution:

1) Solve x=2y+4 for x:

x=2y+4

2) Substitute 2y+4 for x in 2y=x-6:

2y=x-6

2y=2y+4-6

3) Simplify both sides of the equation:

2y=2y-2

4) Add -2y to both sides of the equation:

2y+-2y=2y-2+-2y

5) Simplify both sides of the equation:

0=-2

Therefore, there are no solutions to the system of equations.

Solve by elimination:

You can't solve this system of equations by elimination

Solve by graphing:

The equations are parallel to each other, therefore they never cross, so, there are no solutions.

7 0
3 years ago
Jon’s Summer baseball league has 36 thirteen -year-olds and 48 fourteen year-olds. Write the ratio of 13-year-olds to 14-year-ol
FinnZ [79.3K]

Answer:

These are the forms to write the ratio. Please read the explanation.

<u>a. 3/4</u>

<u>b. 3:4</u>

<u>c. 3 ÷ 4</u>

<u>d. Ratio of 3 to 4</u>

Step-by-step explanation:

1. Let's check the information given to resolve the question:

Number of 13-year olds = 36

Number of 14-year olds = 48

2. Writing the ratio of 13-year-olds to 14-year olds in all three forms:

We can say that there are:

36/48 13-year olds to 14-year olds but we notice immediately that we can simplify that ratio this way:

36/48 = 18/24 (Dividing by 2) = 9/12 (Dividing by 2 again) = 3/4 (Dividing by 3)

We can conclude that the ratio of 13-year-olds to 14-year olds is 3/4 and we can write it these ways:

<u>a. 3/4</u>

<u>b. 3:4</u>

<u>c. 3 ÷ 4</u>

<u>d. Ratio of 3 to 4</u>

8 0
3 years ago
The lengths of plate glass parts are measured to the nearest tenth of a millimeter. The lengths are uniformly distributed with v
yarga [219]

Answer:     \text{Mean length}=590.5\ mm\\\\\text{Variance of the lengths}=0.03\ mm

Step-by-step explanation:

The mean and variance of a continuous uniform distribution function with parameters m and n is given by :-

\text{Mean=}\dfrac{m+n}{2}\\\\\text{Variance}=\dfrac{(n-m)^2}{12}

Given : m=590.2\ \ \ n=590.80

\text{Then, Mean=}\dfrac{590.2+590.8}{2}=590.5\ mm\\\\\text{Variance}=\dfrac{(590.8-590.2)^2}{12}=0.03\ mm

4 0
3 years ago
Given the following​ function, find f(−5), f(0), and f(4). f(x)=x2+5
bulgar [2K]

Answer:

30, 5 , 21

Step-by-step explanation:

substitute the values of x into f(x) , then

f(- 5) = (- 5)² + 5 = 25 + 5 = 30

f(0) = 0² + 5 = 0 + 5 = 5

f(4) = 4² + 5 = 16 + 5 = 21

6 0
1 year ago
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