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3 years ago

Hay you over there

Mathematics

1 answer:

Luden [163]3 years ago

4 0

never going to left you go

never going to left you down

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7. The points (3,5) and (2, y) are on a line with a slope of 3. Find y.

PtichkaEL [24]

Answer:

We get value of y: y = 2

Step-by-step explanation:

The points (3,5) and (2, y) are on a line with a slope of 3. Find y.

We can find y using formula of finding slope of a line.

The formula is: $Slope=\frac{y_2-y_1}{x_2-x_1}$

We have $x_1=3, y_1=5, x_2=2, y_2=y$ and Slope = 3

Putting values and finding y

$Slope=\frac{y_2-y_1}{x_2-x_1}\\3=\frac{y-5}{2-3}\\3=\frac{y-5}{-1}\\-1(3)=y-5\\-3=y-5\\y=-3+5\\y=2$

So, we get value of y: y = 2

5 0

3 years ago

The larger of two numbers is 7 times the smaller number. Three times the larger number is 7 more than 4 times the smaller number

V125BC [204]

X>Y
X=7Y
3X=7+4Y
X=?
Y=?
----------------------------
3*7=7+4Y
21Y=7+4Y
21Y-4Y=7
17Y=7
Y=7/17
----------------------
X=7*7/17
X=49/17

6 0

3 years ago

50 points for answer

jarptica [38.1K]

Answer:

Step-by-step explanation:

2/3 30/60 30

5 0

3 years ago

Read 2 more answers

3, 9, 10, 5, 8, 5, 9, 11, 10, 3, 10 Find the mean of the data.

slava [35]

Answer:

7.55

Step-by-step explanation:

An arithmetic mean is the average value of all the data points.

In order to find the average value, you add all the data points then divide the resulting sum by the number of data points there are.

The sum of all data points:

3 + 9 + 10 + 5 + 8 + 5 + 9 + 11 + 10 + 3 + 10 =

The number of data points:

3, 9, 10, 5, 8, 5, 9, 11, 10, 3, 10

1,2,3,4,5,6,7,8,9,10, 11 = 11 data points

Average value/ Mean:

83 / 11 = 7.545454545454 = rounded to 7.55

7 0

3 years ago

Of 10<br>Simplify<br>-2x³ – y – 2z² + 4x³ – 2y + 3z²

bonufazy [111]

Answer:

2x³ - 3y + z²

Step-by-step explanation:

-2x³ – y – 2z² + 4x³ – 2y + 3z² Combine like terms

-2x³ + 4x³ – y – 2y – 2z² + 3z²

2x³ - 3y + z²

5 0

3 years ago