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umka21 [38]
3 years ago
10

Timed test

Mathematics
1 answer:
marysya [2.9K]3 years ago
4 0

Answer:

The correct answer should be 5,130

Step-by-step explanation:

the 3 in 513 is in the ones place, if it were ten times greater than 3 that would be 30, or a 3 in the tens place, the 3 in the number 5,130 is in the tens place, making that the correct choice

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A bag of chips weighs 228 grams. If each chip weighs 0.12 grams, how many chips are in the bag?
Gala2k [10]

Answer:

1900

Step-by-step explanation:

so lets let x represent the total chips that in the bag.

We know that each chip weight 0.12 grams, and there are 228 grams in total.  ok so, 0.12x=228

Divided 0.12 to each side

0.12x/0.12=228/0.12

x=1900 chips Which  means there are 1900 chips in the bag. I hope this helped you<3 sorry if it didnt:(

6 0
2 years ago
What is ​ −35 ​ as a decimal?
viktelen [127]
It would just be -35.0, there is nothing else to change it's value beyond -35
3 0
3 years ago
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A recent survey estimated that 19 percent of all people living in a certain region regularly use sunscreen when going outdoors.
Alla [95]

Answer: The conclusion is that all samples of the same size between 18% to 20% indicate that people living in a certain region use sunscreen regularly when going outdoors.

Explanation: Given percentage from the recent survey, the possible range is calculated as below:

All possible range : (19% ± 1% ) = (18%, 20%)

3 0
3 years ago
Find K by evaluating Limit
Lubov Fominskaja [6]

Answer:

4

Step-by-step explanation:

\lim_{x \to \infty}\frac{1-cos4x}{1-cos2x}= \lim_{x \to 0} \frac{(1-cos4x)'}{(1-cos2x)'}= \lim_{x \to 0}\frac{4sin4x}{2sin2x}= \lim_{x \to 0}\frac{2*2sin2xcos2x}{sin2x}\\ = \lim_{x \to 0}4cos2x\\ =4

{L'Hospital's rule}

<em>I hope this helps you</em>

<em>:)</em>

6 0
2 years ago
What is the inverse operation you would use to solve n-9=-18?
Margaret [11]
Answer
N-9=-18
Move the -9 to -18 and add those cuz if there’s two negative u have to add
Add 9
8 0
3 years ago
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