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liq [111]
4 years ago
12

Can someone find this out please and thank you!

Mathematics
1 answer:
vredina [299]4 years ago
3 0
-7 replaces the t so it would be

w(-7) = -2(-7)+1
= 14+1
= 15
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Find the coordinates of the intersection of the diagnosis of the parallelograms (-2,-1) (1,3) (6,3) and (3,-1)
iren [92.7K]

Answer:

M = (2,1)

Step-by-step explanation:

Represent the diagonals as:

A =(-2,-1)

B =(1,3)

C =(6,3)

D = (3,-1)

Required

Determine the coordinate of the intersection

To do this, we simply calculate the midpoint of AC or BD.

For AC:

(x_1,y_1) = (-2,-1)

(x_2,y_2) = (6,3)

The midpoint is:

M = \frac{1}{2}\{(x_1+x_2),(y_1+y_2)\}

This gives:

M = \frac{1}{2}\{(-2+6),(-1+3)\}

M = \frac{1}{2}\{(4),(2)\}

M = (\frac{1}{2} * 4,\frac{1}{2} * 2)

M = (2,1)

For BD:

(x_1,y_1) = (1,3)

(x_2,y_2) = (3,-1)

The midpoint is:

M = \frac{1}{2}\{(x_1+x_2),(y_1+y_2)\}

This gives:

M = \frac{1}{2}\{(1+3),(3-1)\}

M = \frac{1}{2}\{(4),(2)\}

M = (\frac{1}{2} * 4,\frac{1}{2} * 2)

M = (2,1)

Notice the midpoints are the same:

M = (2,1)

<em>Hence, the coordinates of the intersection is (2,1)</em>

8 0
3 years ago
In the figure, YX is a tangent to circle O at point X.
Andre45 [30]

Answer:

the answer is 26 degrees

Just took the quiz awhile ago :)

4 0
3 years ago
Read 2 more answers
I need help....................
Anastasy [175]
1. 12 per game
2. 1 game costs 20$
4 0
4 years ago
Simplify (4/5-2). ignore this it has to be 20 characters to work
WINSTONCH [101]

Answer:

-1.2

Step-by-step explanation:

5 0
3 years ago
Which situation can be represented by the expression 3 + (-7) plus, left parenthesis, minus, 7, right parenthesis.
ioda

Options:

(A) . A football team lost 3 yards on one play. The team gained 7 yards on the next play.

(B ). A football team gained 3 yards on one play. The team lost 7 yards on the next play.

(C). A football team gained 3 yards on one play. The team gained 7 yards on the next play.

Answer:

(B ). A football team gained 3 yards on one play. The team lost 7 yards on the next play.

Step-by-step explanation:

Given

3 + (-7)

Required

Which situation does it represent?

First, we simplify the expression as follows:

3 + (-7)

Remove brackets

3 -7

Express each term with their signs

+3 -7

<u>Analysing each term;</u>

In terms of the list of given options,

+3 means a gain of 3 yards

-7 means a loss of 7 yards

<em>Hence, B. is correct</em>

5 0
3 years ago
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