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vodka [1.7K]
3 years ago
13

Please answer this question fast in two minutes

Mathematics
2 answers:
Elodia [21]3 years ago
8 0

Answer:

S = (3, 5 )

Step-by-step explanation:

Given the endpoints (x₁, y₁ ) and (x₂, y₂ ) then the midpoint is

[ \frac{1}{2} (x₁ + x₂ ), \frac{1}{2} (y₁ + y₂ ) ]

let the coordinates of S be (x, y ), then using the midpoint formula equate the parts to the coordinates of the midpoint M

x = \frac{1}{2} (x + 5) = 4 ( multiply both sides by 2 )

x + 5 = 8 ( subtract 5 from both sides )

x = 3

y = \frac{1}{2} (y + 3) = 4 ( multiply both sides by 2 )

y + 3 = 8 ( subtract 3 from both sides )

y = 5

The coordinates of S = (3, 5 )

tatuchka [14]3 years ago
7 0

Answer:

the answer is (3,5)

Step-by-step explanation:

i used the slope between M and T to figure out where point S was

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It’s not 15 read the text
Licemer1 [7]

Answer:

B

Step-by-step explanation:

I think it is B because 6 times 5 = 30. So 30 times 1/2 = 60  hope this is correct and it helped and if it is not correct try C and can i get a brainliest

4 0
3 years ago
Luci cuts a board that is 3/4 yard long into pieces that are 3/8 yard long how many does she cut
rodikova [14]
Let’s get a common denominator for 3/4 and 3/8. 8 is our LCD so let’s multiply 3/8 by 2 on both the top and bottom. 3/8 then becomes 6/8. How many 3/8 are in 6/8? The answer is 2 because 3/8 + 3/8 is 6/8. So she cuts 2 pieces.
7 0
3 years ago
Read 2 more answers
The number of cans in the layers of a display in a supermarket form an arithmetic sequence. The bottom layer has 28 cans; the ne
Aleksandr-060686 [28]

Answer: 145 cans

Step-by-step explanation:

arithmetic sequence

aₙ = a₁ + (n-1).r

aₙ → last term

a₁ → 1st term

n → quantity of terms

r → common difference

a₁ = 1 (one can at the top)

aₙ₋₁ = 25

aₙ = 28

To find out How many cans are in the entire display, we need the SUM of the arithmetic sequence: S = (a₁+aₙ)n/2

∴

S = (1+28).n/2

n = ?

aₙ = a₁ + (n - 1).r

r = 28 - 25 = 3

28 = 1 + (n - 1).3

27 = (n - 1).3

27/3 = (n - 1)

9 = n - 1

n = 9 + 1 = 10

S = (1+28).n/2

S = (1+28).10/2 = 29.10/2 = 29.5 = 145

7 0
4 years ago
Help!!!!!!!!!!!!!!!!!! (#8)
anastassius [24]
Area of a semicircle  = \frac{ \pi r^2}{2}
r = 7 cm
pi = 3.14

Area = 3.14 * 7^2 / 2
Area = 3.14 * 49 / 2
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4 0
3 years ago
What is the x-coordinate of the point of intersection for the two lines below?
Brut [27]

Answer:

From the graph, it is clear that the point of intersection is:

  • (x, y) = (-4, -1)

And the x-coordinate of the point of intersection for the two lines is:

  • x = -4

Step-by-step explanation:

  • As we know that the solution of the system of equations is the point of intersection. Let us solve it.

Given the system of equations

\begin{bmatrix}2x+y=-9\\ 2x-5y=-3\end{bmatrix}

solving the system of equations

subtracting 2x+y = -9 from 2x-5y = -3

2x-5y=-3

-

\underline{2x+y=-9}

-6y=6

so

\begin{bmatrix}2x+y=-9\\ -6y=6\end{bmatrix}

solving for y

-6y=6

Divide both sides by -6

\frac{-6y}{-6}=\frac{6}{-6}

y=-1

\mathrm{For\:}2x+y=-9\mathrm{\:plug\:in\:}y=-1

2x-1=-9

2x=-8

Divide both sides by 2

\frac{2x}{2}=\frac{-8}{2}

x=-4

Thus, the x-coordinate of the point of intersection for the two lines below will be:

x=-4

Also, the graph is attached.

From the graph, it is clear that the point of intersection is:

  • (x, y) = (-4, -1)

And the x-coordinate of the point of intersection for the two lines is:

  • x = -4

4 0
3 years ago
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