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Molodets [167]
3 years ago
10

How do you use distributive property to solve 3,649 x 7

Mathematics
2 answers:
Rufina [12.5K]3 years ago
6 0

Answer:

Value of 3649×7 is:

25543

Step-by-step explanation:

We have to use the distributive property to solve 3649×7

3649 could also be written as

3649= 3000+600+40+9

3649×7= (3000+600+40+9)×7

            = 3000×7 + 600×7 + 40×7 + 9×7   (by using distributive property)

            = 21000+4200+280+63

            = 25543

Hence, Value of 3649×7 is:

25543

Tanzania [10]3 years ago
3 0
You distribute. First 3,000* 7.Then 600 *7. Then 40*7. Then 9 AM. Add it up Hopefully this helps
Tbh I forgot :)


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Suppose that 1 month before the election a random sample of 500 registered voters are surveyed. From this sample 270 indicate th
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Answer:

[ 0.4964, 0.5836 ]

Step-by-step explanation:

Data provided in the question:

Total sample size = 500

person voting for smith = 270

thus,

P( person voting for smith ), p = \frac{270}{500} = 0.54

Confidence level = 95%

now,

standard error, SE = \sqrt{\frac{p(1-p)}{n}

or

SE = \sqrt{\frac{0.54(1-0.54)}{500}

or

SE = 0.0223

now,

Confidence interval = p ± ( z × SE )

here,

z value for 95% confidence interval is 1.96

Confidence interval = [ 0.54 - ( 1.96 × 0.0223 ), 0.54 + ( 1.96 × 0.0223 ) ]

= [ 0.54 - 0.0436 , 0.54 + 0.0436 ]

= [ 0.4964, 0.5836 ]

8 0
3 years ago
The table shows the amounts of food collected by two homerooms. Homeroom A collects 21 additional items of food. How many more i
Ede4ka [16]
Sorry but to fully understand and answer this question would need to show us the complete question with chart. plz :)
8 0
3 years ago
Bob raises Guinea Pigs and Chinchillas on his beachfront oasis. There are a total of 60,005 animals at the oasis. The number of
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First is:   c+ g = 60,005 
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When we replace second in first we get:

2g+5+g = 60,005 => 3g+5= 60,005 => 3g= 60,000

g=60.000/3 = 20,000 => g=20,000

When this result we replace in the second equation we get

c= 2 * 20,000 +5= 40,000+5 = 40,005

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Good luck!!!!




6 0
3 years ago
Find the value of x and the value of y
steposvetlana [31]

Answer:

B.   x = 7, y = 4√2

Step-by-step explanation:

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This creates a rectangle and a 45-45-90 triangle

The bottom of the rectangle is 3

The legs of the triangle are 4

Therefor

x = 4 + 3

x = 7

For a 45-45-90 triangle

the hypotenuse = leg * √2

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4 0
3 years ago
The Philadelphia Cream Cheese Company produces 42 pounds of cream cheese in each batch. A batch is split up into small portions,
alexandr402 [8]

Answer:

336

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8 0
4 years ago
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