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Svetradugi [14.3K]
3 years ago
12

On the Set of axes below graph the line whose equation is 2y=-3x-2

Mathematics
1 answer:
frutty [35]3 years ago
7 0

Answer:

k = -4

Step-by-step explanation:

The given equation is: 2y = - 3x - 2.

This is written as: 3x + 2y + 2 = 0.

Given the point (2, k) lies on the line given.

That means it should satisfy the given equation.

So, to find the value of 'k', simply substitute the point on the line.

So, it becomes: 3(2) + 2(k) + 2 = 0

⇒ 6 + 2k + 2 = 0

⇒ 2k = - 8

Dividing by 2 throughout, we get: k = - 4

Hence, (2, -4) lies on the line.

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Laura and Sean find the product of 2/3 x 4 using different methods.
choli [55]

Answer: So our equation is \frac{2}{3} *4

Laura does:

\frac{2}{3}*4 = 2*\frac{1}{3}  *4 = 2*\frac{4}{3}  = \frac{4}{3} + \frac{4}{3}  = \frac{8}{3}

while Sean does:

\frac{2}{3}*4 = \frac{2}{3} + \frac{2}{3} +\frac{2}{3}  + \frac{2}{3}  = \frac{8}{3}

So sean sums four times the number 2/3, while Laura sums two times the number 4/3, this is because we are working with a multiplication, and the order of the factors does not alter the product.

The two are splitting the equations in different ways.

4 0
3 years ago
Which of the sets of ordered pairs represents a function? (4 points) A = {(−4, 5), (1, −1), (2, −2), (2, 3)} B = {(2, 2), (3, −2
elena55 [62]
A function will not have any repeating x values....it can have repeating y values, just not the x ones

(-4,5),(-1,1),(2,-2),(2,3)
this is not a function because it has 2 sets of points that has x as 2...so it has repeating x values

(2,2),(3,-2),(9,3),(9,-3)
this is not a function because it has 2 sets of points that has an x value of 9...so it also has repeating x values

so both of these are not functions.....neither of them
6 0
3 years ago
Hiro painted his room. After 3 hours of painting at a rate of 8 square meters per hour, he had 28 square meters left to paint.
Trava [24]

Answer:

8*3 = 24 + 28 = 52 total square feet

Step-by-step explanation:

The is painting at 8 sq m per hour

so A(t) = -8t +52

8 0
3 years ago
Read 2 more answers
Please help! (listing BRAINLIST and giving points) ​:)​
stepladder [879]

Answer:

(a) = 60

(b) = 70

Step-by-step explanation:

(a) Sum of all the angles of a triangle is 180

This is an equilateral Triangle

which means all the sides are equal since all the sides are equal that means all the angles are equal

x + x + x = 180 \\ 3x = 180 \\ x =  \frac{180}{3}  \\ x = 60

(b) this is an isosceles triangle with two equal sides that means the two opposite angles are equal

40 + x + x = 180 \\ 40 + 2x = 180 \\ 2x = 180 - 40 \\ 2x = 140 \\ x = 70

3 0
3 years ago
HELP!!! DUE IN 38 MINUTES 11:22 due at 11:59pm pst​
loris [4]

Answer:

(1,2)

(-1,2)

(1,-2)

(-1,-2)

8 0
3 years ago
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