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shusha [124]
3 years ago
8

If A(5,-3) and M(-4, 2) is the midpoint of line segment AB.

Mathematics
2 answers:
Aleks [24]3 years ago
5 0

Answer:

B = (-13,7)

Step-by-step explanation:

(-4,2)=((5+x)/2 , (-3+y)/2)

Solve for x coordinate

- 4 = \frac{5 + x}{2}  \\  - 8 = 5 + x \\  - 13 = x

Solve for y coordinate

2 =  \frac{ - 3 + y}{2}  \\ 4 =  - 3 + y \\ 7 = y

NeX [460]3 years ago
3 0
Coordinates for B = ( -13,7)
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7 + 9 x ( 6 - 2 )<br> 1. 29<br> 2.43 <br> 3. 64<br> 4. 94<br> please help
timofeeve [1]

Answer:

3. 64

Step-by-step explanation:

7 + 9 x (6 - 2)

16 x 4

64

Hope it helps

8 0
3 years ago
Read 2 more answers
Please dont steal I just need a bit of help here I would really appreciate it I will give brainless
Ksenya-84 [330]

Answer:

<h2>7.25</h2>

Step-by-step explanation:

I gave you the answer earlier too!

for more info !

<h2>there s a theorem called MIDPOINT THEOREM </h2>

Which means the 3rd side of the triangle is equal to 1/2 of the line drawn by joining the mid points

<h2>so AB=1/2of YZ</h2>

which means

2x-4 = 1/2×21

thus, 2(2x-4) =21

=> 4x-8 = 21

4x = 29

<h2>x= 29/4 = 7.25</h2>

6 0
3 years ago
Suppose that 70% of the orders on a particular website are shipped to the person who is making the order and the remaining 30% a
Lera25 [3.4K]

Answer:

0.18 ; 0.1875 ; No

Step-by-step explanation:

Let:

Person making the order = P

Other person = O

Gift wrapping = w

P(p) = 0.7 ; P(O) = 0.3 ; p(w|O) = 0.60 ; P(w|P) = 0.10

What is the probability that a randomly selected order will be a gift wrapped and sent to a person other than the person making the order?

Using the relation :

P(W|O) = P(WnO) / P(O)

P(WnO) = P(W|O) * P(O)

P(WnO) = 0.60 * 0.3 = 0.18

b. What is the probability that a randomly selected order will be gift wrapped?

P(W) = P(W|O) * P(O) + P(W|P) * P(P)

P(W) = (0.60 * 0.3) + (0.1 * 0.7)

P(W) = 0.18 + 0.07

P(W) = 0.1875

c. Is gift wrapping independent of the destination of the gifts? Justify your response statistically

No.

For independent events the occurrence of A does not impact the occurrence if the other.

4 0
3 years ago
Anyone know how to do this?!!
iren2701 [21]

Answer:

slope is -1/4

Step-by-step explanation:

\frac{-4}{12}=\frac{-1}{4}

\frac{-2}{8}= \frac{-1}{4}

and so on...

formula: \frac{x}{y}

hope this helps!!!

6 0
3 years ago
A hiker walks at a speed of 3 2/5 km per hour. how many km will he walk in 3/4 of an hour
Art [367]

Answer:

2.55

Step-by-step explanation:

6 0
3 years ago
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