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mixas84 [53]
3 years ago
15

Please HELP I DONT KNOW WHTA IM DOING!!

Mathematics
1 answer:
trasher [3.6K]3 years ago
6 0
BD is 18

XY is 4

IK is 8

DF is 16
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Number 2 to 4 I don’t understand it.
Natalka [10]
All estimating problems make the assumption you are familar with your math facts, addition and multiplication. Since students normally memorize multiplication facts for single-digit numbers, any problem that can be simplified to single-digit numbers is easily worked.

2. You are asked to estimate 47.99 times 0.6. The problem statement suggests you do this by multiplying 50 times 0.6. That product is the same as 5 × 6, which is a math fact you have memorized. You know this because
.. 50 × 0.6 = (5 × 10) × (6 × 1/10)
.. = (5 × 6) × (10 ×1/10) . . . . . . . . . . . by the associative property of multiplication
.. = 30 × 1
.. = 30


3. You have not provided any clue as to the procedure reviewed in the lesson. Using a calculator,
.. 47.99 × 0.6 = 28.79 . . . . . . rounded to cents


4. You have to decide if knowing the price is near $30 is sufficient information, or whether you need to know it is precisely $28.79. In my opinion, knowing it is near $30 is good enough, unless I'm having to count pennies for any of several possible reasons.
5 0
3 years ago
What is the final amount if 1548 is increased by 5% followed by a further 6% increase?
stiv31 [10]

Answer:

1,718.28

Step-by-step explanation:

1,548, percentage increased by 11% (percent) of its value = 1,718.28

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3 years ago
What is the answer to 1-2x=-3x+2
scZoUnD [109]

Answer:

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1-2x=-3x+2

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1=x

8 0
3 years ago
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If you were to randomly survey 1,000 people at a local grocery store about their use of corrective lenses, would this be a valid
gayaneshka [121]
You would probably need a little larger sample of people because not all people wear corrective lenses. In almost any other survey, this would be a scientist’s dream, but in this one, you’d need it to be a little bigger.
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AnnyKZ [126]

Answer:

according to theorm 8 of basic geometry the answer is 6

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