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svet-max [94.6K]
2 years ago
9

Is this correct if not then can u please help me

Mathematics
2 answers:
den301095 [7]2 years ago
8 0

Answer:

It seems that you are correct sire :)

Mark brainliest pls :)

o-na [289]2 years ago
3 0

Answer:

Yup you got it right!

Step-by-step explanation:

Simplify the following:

5 (m + 2) + 9 (n + 4)

5 (m + 2) = 5 m + 10:

10 + 5 m + 9 (n + 4)

9 (n + 4) = 9 n + 36:

10 + 5 m + 36 + 9 n

Grouping like terms, 10 + 5 m + 36 + 9 n = 9 n + 5 m + (10 + 36):

9 n + 5 m + (10 + 36)

| 3 | 6

+ | 1 | 0

| 4 | 6:

Answer: 9 n + 5 m + 46

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The diagonals of a quadrilateral QRST intersect at P(-1,3). QRST has vertices at Q(3,6) and R(-4,5). What must be the coordinate
erica [24]

S = (-5,0)

T = (2,1)

Step-by-step explanation:

Step 1 :

Given

Q = (3,6) and R = (-4,5). P = (-1,3)

Let S be (a,b) and T be (c,d)

The diagonals of a parallelogram bisect each other. so in order to ensure that QRST is a parallelogram, P must be the mid point of the diagonals QS and RT.

Step 2 :

P is the midpoint  of QS

So we have (3+a) ÷ 2 =  -1  and (6 + b) ÷ 2 = 3

=> 3 + a = -2    and 6 + b = 6

=> a = -5  and b =0

So S should be (-5,0)

Step 3 :

P is the midpoint  of RT

So we have (-4+c) ÷ 2 =  -1  and (5 + d) ÷ 2 = 3

=> -4+ c = -2    and 5 + d = 6

=> c = 2  and d =1

So T should be (2,1)

Step 4 :

Answer :

S = (-5,0)

T = (2,1)

6 0
3 years ago
What is the area of this parallelogram?
Mariulka [41]

Answer:

25 cm

Step-by-step explanation:

7 0
3 years ago
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Answer correct plz if u steal points ill report
vichka [17]

Answer:

In my knowledge

Option A

and I am 100% sure

explanation:

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7 0
3 years ago
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Dimas [21]

Answer:

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Step-by-step explanation:

On average, it travels 52 miles in each hour. In 5 3/4 hours, it travels 5 3/4 times 52 miles.

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3 years ago
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Find the exact length of the third side.<br> 13<br> 12
gavmur [86]
A^2=c^2 - b^2
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a=root 25
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3 0
3 years ago
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