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Alex Ar [27]
2 years ago
7

What 2 numbers add up to 5 and multiply to 4?​

Mathematics
2 answers:
Ratling [72]2 years ago
5 0

Answer:

1 and 4

Step-by-step explanation:

Products of 4:  

  • 1 and 4
  • 2 and 2

Pairs of numbers that sum to 5:

  • 1 and 4
  • 2 and 3

Therefore, the two numbers that add up t o 5 and multiply to 4 are:  1 and 4

kherson [118]2 years ago
3 0
1 x 4 = 4, 1 + (4)= 5
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Using known properties, determine if the statements are true or not. Select True or False for each statement. If one pair of con
forsale [732]

Answer:

  • The diagonals of a parallelogram bisect each other.

Step-by-step explanation:

If one pair of consecutive sides of a parallelogram is congruent, then the parallelogram is a rectangle.

  • False. This is rhombus.

The diagonals of a parallelogram bisect each other.

  • True

If a quadrilateral has four right angles, then it is a square.

  • False. It is rectangle.
3 0
2 years ago
Solve the equation: Sin2x - Sinx = 0
Viktor [21]
We know that sin2x=2sinxcosx 
(search the net for proof if you wish) 

So the original equation becomes

2sinxcosx-sinx=0
The two terms both have sinx that can be taken out to get: 

sinx(2cosx-1)=0 
This is true if sinx=0 or 2cosx-1=0 , rewritten: cosx=1/2

sinx=0 than x=2kπ
cosx=1/2 than x=π/3+2kπ
where k is an integer

5 0
3 years ago
Find the value of k if the distance between (2,k) and (6,7) is 4√2 unit​
andreyandreev [35.5K]

Answer:

k = 3

Step-by-step explanation:

We have the distance formula: d = \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2}. We can plug in 4\sqrt{2} = d, x2 = 6, x1=2, y2 = 7, y1 = k.

Then, we can solve the question using some algebra to find that k = 3.

Edit: Here is a step by step:

4\sqrt{2} = \sqrt{(6-2)^2 + (7-k)^2}\\

(4\sqrt{2})^2 = (6-2)^2 + (7-k)^2

32 = (4)^2 + (7-k)^2

32 = 16 + (7-k)^2

32 - 16 =  (7-k)^2

16 =  (7-k)^2

\sqrt{16} =  (7-k)

4 = 7-k

k = 3

4 0
3 years ago
3(x – 2) + 4x = 10(x + 1)
balandron [24]

Answer:

x=-16/3 (-5.33)

Step-by-step explanation:

3(x-2)+4x=10(x+1)

3x-6+4x=10x+10

7x-6=10x+10

-6-10=10x-7x

-16=3x

x=-16/3

3 0
3 years ago
Read 2 more answers
4r+9r-11r+7r= Simplify Combine like terms
Veseljchak [2.6K]

Answer:

9r

Step-by-step explanation:

4r+9r-11r+7r

Combine like terms

13r -11r+7r

2r+7r

9r

3 0
3 years ago
Read 2 more answers
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