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natima [27]
3 years ago
13

Estimate the following sum by first rounding each decimal to the nearest hundred.

Mathematics
2 answers:
Lapatulllka [165]3 years ago
5 0
<h2>Answer:</h2><h2>400+200+200</h2>

Making it 800

Kipish [7]3 years ago
3 0

Answer:

825.22

Step-by-step explanation:

hope this is helpful.

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1st. (2 root 2 + root 3 ) ( 2 root 3 - root 2) 2nd.(root 5 + 2 root 10) (3 root 5 + root 10) 3rd.(4 root 6 - 3 root 3) (2 root 3
Viefleur [7K]

Answer:

1. 3√6 + 10

2. 35 + 7√50

3. 24√2 - 20√6 + 15√3 - 18

4. 17√6 - 38

5. 13√10 - 42

Step-by-step explanation:

The questions are in surd form.

1. (2√2 + √3)(2√3 - √2)

open the parenthesis by multiplying both together .

4√6 + 4 + 6 - √6

3√6 + 10

2. (√5 + 2√10)(3√5 + √10)

15 + √50 + 6√50 + 20

35 + 7√50

3. (4√6 - 3√3)(2√3 - 5)

8√18 - 20√6 - 18 + 15√3

8√9 × 2 - 20√6 - 18 + 15√3

24√2 - 20√6 + 15√3 - 18

4. (6√3 - 5√2)(2√2 - √3)

12√6 - 18 - 20 + 5√6

17√6 - 38

5 (√10 - 3)(4 - 3√10)

4√10 - 30 - 12 + 9√10

13√10 - 42

5 0
3 years ago
Round each number to two significant figures:<br><br> 233.356 <br> 1.005
avanturin [10]
<span>233.356 
=2.3*10^2
now second one is
</span><span>1.005
</span>=1.0

7 0
4 years ago
Laurie and Maya sold at most $50 worth of get-well and friendship cards. The friendship cards, x, were sold for $2 each and the
Arada [10]

Answer:

th answer i think is thirty

Step-by-step explanation:

30 + 10 = 40 and it said at most $50

tell me if i'm wrong

3 0
3 years ago
Read 2 more answers
I need help with this plzzz
Advocard [28]
I think it is BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
3 0
3 years ago
Read 2 more answers
Can someone plz help me!??!
Vaselesa [24]
To solve for x, you simplify both sides of the equation and then isolate the variable.

<em>10x + 12 = $72.00</em>
<em>x = 6</em>

Six people attended the concert.
<em>Check the answer:
(10 • 6) + 12 = 72.00
60 + 12 = 72.00
_____________________________________________________________
<u>Answer: x = 6</u></em>
8 0
4 years ago
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