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quester [9]
3 years ago
7

What is the first start in estimating 56×27

Mathematics
2 answers:
avanturin [10]3 years ago
5 0
By finding the least common denominator (LCD), and then go from there.
olga55 [171]3 years ago
5 0
I would find the least common multiple
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uranmaximum [27]

Answer: I'm not sure but there's some explanation..

Step-by-step explanation:

K=11

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7 0
2 years ago
Solve: 8x2 + 3x = -7
Agata [3.3K]

Answer: PEMDAS

8•2 = 16

16+3x = -7

-3 -3

16 + x = -10

-16 -16

X= -26

Step-by-step explanation:

3 0
3 years ago
Based on trends displayed in the graphs above, which answer choice represents a likely situation for 2010? a. There will be more
tankabanditka [31]

Answer:

the answer is C on e2020

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
The new Coat and Jacket Store was ready to open. The workers put out 42 racks of men’s and boy’s coats and jackets with 16 items
Nataliya [291]
42 x 16=672
35 x 24=840

672+840=1512


3 0
2 years ago
Without plotting points, let M=(-2,-1), N=(3,1), M'= (0,2), and N'=(5, 4). Without using the distanceformula, show that segments
kramer

Given:

M=(x1, y1)=(-2,-1),

N=(x2, y2)=(3,1),

M'=(x3, y3)= (0,2),

N'=(x4, y4)=(5, 4).

We can prove MN and M'N' have the same length by proving that the points form the vertices of a parallelogram.

For a parallelogram, opposite sides are equal

If we prove that the quadrilateral MNN'M' forms a parallellogram, then MN and M'N' will be the oppposite sides. So, we can prove that MN=M'N'.

To prove MNN'M' is a parallelogram, we have to first prove that two pairs of opposite sides are parallel,

Slope of MN= Slope of M'N'.

Slope of MM'=NN'.

\begin{gathered} \text{Slope of MN=}\frac{y2-y1}{x2-x1} \\ =\frac{1-(-1)}{3-(-2)} \\ =\frac{2}{5} \\ \text{Slope of M'N'=}\frac{y4-y3}{x4-x3} \\ =\frac{4-2}{5-0} \\ =\frac{2}{5} \end{gathered}

Hence, slope of MN=Slope of M'N' and therefore, MN parallel to M'N'

\begin{gathered} \text{Slope of MM'=}\frac{y3-y1}{x3-x1} \\ =\frac{4-(-1)}{5-(-2)} \\ =\frac{3}{2} \\ \text{Slope of NN'=}\frac{y4-y2}{x4-x2} \\ =\frac{4-1}{5-3} \\ =\frac{3}{2} \end{gathered}

Hence, slope of MM'=Slope of NN' nd therefore, MM' parallel to NN'.

Since both pairs of opposite sides of MNN'M' are parallel, MM'N'N is a parallelogram.

Since the opposite sides are of equal length in a parallelogram, it is proved that segments MN and M'N' have the same length.

7 0
1 year ago
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