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lisabon 2012 [21]
3 years ago
9

Estimate 44.87+42.712+43.5 using clusteringPlsss help

Mathematics
1 answer:
mariarad [96]3 years ago
8 0

Answer:

hope this helps :)

Step-by-step explanation:

all numbers are close to 43, so you would multiply 43 by 3 to get 129

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Can anyone help me pls
Levart [38]

Answer:

88 degrees, 44 degrees

Step-by-step explanation:

The total of angles in a triangle is 180 degrees

so, 48+x+x-44=180

48-44+x+x=180

4+2x=180

-4 on both sides

2x=176

x=88

7 0
3 years ago
What is the Greatest common divisor of 378 and 420?
atroni [7]

Answer:

42

Step-by-step explanation:

When calculating the greatest common divisor, you must look for the smallest divisors that can divide the no. s given simultaneously.

So in this case the smallest divisor will be 2.

<u>37</u><u>8</u> =189. <u>420</u> =210

2. 2

The next divisor that 189 and 210 can both be divided with is 3

<u>189</u> =63. <u>210</u> =70

3. 3

The third smallest divisor that can 63 and 70 can be divided with is 7

<u>63</u> =9. <u>70</u> =10

7. 7

9 and 10 have no common divisors that can divide them fully without leaving a remainder

So to get the greatest common divisor, multiply all the divisors you have used

In this case we've used 2,3,7

2x3x7= 42

3 0
4 years ago
How is 3x-y=8 and x+2y=5 solved by combination (addition)?????
pentagon [3]
First, multiply the first equation by 2.

That turns the first equation into:

6x - 2y = 18

That way it can easily be added to the second equation:

6x - 2y = 16
x  + 2y = 5
---------------
7x = 21
==========

As you can see, the y disappeared, which was the objective of this operation.

Now the equations can be solved easily:

7x = 21
x = 3

Insert x=3 in the original equation:

3*3 - y = 8
9 - y = 8
9 = 8 + y
y = 1

So the result is:

x = 3
y = 1
5 0
3 years ago
Read 2 more answers
Please can someone help me
Aliun [14]
The picture is very blurry for me can you take another
5 0
3 years ago
What's does f(x) equal if I'm usin (-2,4) in the problem on that graph
Dahasolnce [82]
F(4)=m(-2)+b
 This is the best i can give you.

5 0
4 years ago
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