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e-lub [12.9K]
2 years ago
11

Need help question 11

Mathematics
1 answer:
Helga [31]2 years ago
5 0
I am sorry i dont understand

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Show how to find 42×27 using an area model.
melomori [17]

Step-by-step explanation:

First break it down

42= 40 & 2

27= 20 & 7

  • Then times 40 & 20 to get 800
  • 20 x 2 to get 40
  • 40 x 7 to get 280
  • 7 x 2 to get 14

Now add them all together.

800 40 1080

+280 +14 + 54

---------- ------- ---------

1080 + 54 = 1134

3 0
3 years ago
I need help with this equation 20 points help quick
Mademuasel [1]

Answer:

The equation of the graph after translating one unit to the left is;

y =  \left | \dfrac{x}{2} - \dfrac{3}{2}  \right |+3

Step-by-step explanation:

The given equation is y = \left | \dfrac{1}{2}\cdot x - 2 \right |+3

We note that minimum value of y = 3, where 1/2·x - 2 = 0 and x = 4

Therefore, in moving one unit to the left, we have at the y-intercept where slope of the graph has become inverted (reflection of the real graph) we add one to the x value as follows;

y = \left | \dfrac{1}{2}\cdot (x+1) - 2 \right |+3 =  \left | \dfrac{x}{2} + \dfrac{1}{2}  - 2 \right |+3 =  \left | \dfrac{x}{2} - \dfrac{3}{2}  \right |+3

The equation of the graph becomes;

y =  \left | \dfrac{x}{2} - \dfrac{3}{2}  \right |+3.

4 0
3 years ago
What number must be added to the expression for it to equal zero? (–6.89 + 14.52) + (–14.52)
kobusy [5.1K]

Answer:

The number to be added is 6.89

Step-by-step explanation:

Here, we want to know what number must be added to the expression to make it equal to zero.

Let the number be x

Thus;

-6.89 + 14.52 -14.52 + x = 0

-6.89 + x = 0

x = 6.89

6 0
3 years ago
jane walks 6 blocks east from home. Miguel walks 8 blocks north from home. How many blocks apart would the two schools be if you
Rom4ik [11]
The number of blocks will be the hypotenuse of this right angle:

I NORTH
I
I
I
I
- - - - - - - - - - EAST
8²+6²= 100 & North-East =√100  = 10 blocks
3 0
2 years ago
. The concert tickets were $57 plus two souvenirs for your friend and yourself. You spent $94
Lena [83]
Maybe $47 for each souvenir
4 0
2 years ago
Read 2 more answers
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