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Sphinxa [80]
3 years ago
8

Estimate 4020 ÷ 16 by first rounding each number so that it has only 1 nonzero digit.

Mathematics
2 answers:
ale4655 [162]3 years ago
5 0
4020/16 original problem
4000/20  estimated problem
200     answer

Alexxx [7]3 years ago
3 0
You round 4020 to 4000
round 16 to 20
then divide 4000 by 20
once you divide the answer is 200
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8(39 + 11)
Andrei [34K]

Answer:

option D is the correct answer

6 0
2 years ago
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If an image of a triangle is congruent to the pre image then the scale factor of the dilation must be n=
Kazeer [188]
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3 years ago
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Which of these two expressions represent the phrase "five plus two times a number"? A. 5n+2n and 2n+5n B. 5+2n and 2+5n C. 2n+5
Allushta [10]

Answer:

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Hope this helped

3 0
3 years ago
At the bank, Derek made 7 withdrawals, each in the same amount. His brother, John, made 5 withdrawals, each in the same amount.
lozanna [386]

Answer:

x=12.50

y = 17.50

Step-by-step explanation:

x = Amount of one Derek withdrawal

then amount of John withdrawal =x+5

Total withdrawals of Derek = no of times x one time withdrawal

= 7(x) = 7x ... i

No of John withdrawal = no of times x one time withdrawal

= 5(x+5)  ... ii

Given that i and ii are equal

i.e. 7x =5(x+5)

7x = 5x+25

2x =25

x = 12.50 dollars

Y = 17.50 dollars

Checking part:

total derek withdrawal = 7(12.5) =87.50

Joh's withdrawal = 5(17.50) = 87.50

Since both are equal, our answers are right.

Solution:  Derek withdrew each time 12.50 dollars each for 7 times and John withdrew 17.50 dollars each for 5 times.

8 0
3 years ago
Sean makes 1,000 every paycheck and has to pay 100$ in tax every time he gets a paycheck , what percent of Sean’s income is spen
Alja [10]

Answer:10%

Step-by-step explanation:

If Sean is getting $100 per paycheck, and they take $100 every time, $100 is 10% of $1000

6 0
3 years ago
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