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kow [346]
3 years ago
10

An element with a mass of 320 grams decays by 5.1% per minute. To the nearest tenth of a minute, how long will it be until there

are 200 grams of the element remaining?
Mathematics
1 answer:
HACTEHA [7]3 years ago
7 0

Answer:

X=9

Step-by-step explanation:

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Estimate the solution of the system of equations. Write the answer as an ordered pair.
monitta

Answer:

(-2.5, 2)

Step-by-step explanation:

just find where the points meet up lol

3 0
2 years ago
What is the exact distance from (–1, 4) to (6, –2)? (4 points) units units units units
irina1246 [14]

Answer:

\sqrt{85}

Step-by-step explanation:

Calculate the distance d using the distance formula

d = √ (x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = (- 1, 4) and (x₂, y₂ ) = (6, - 2)

d = \sqrt{(6+1)^2+(-2-4)^2}

  = \sqrt{7^2+(-6)^2}

  = \sqrt{49+36}

  = \sqrt{85} ← exact distance

4 0
3 years ago
Translate this phrase into a mathematic expression: “A number less than 7”
horsena [70]

Answer:

7 - ?

Step-by-step explanation:

Write and expression like and you should have a right answer. Hope this helps and good luck :)

5 0
2 years ago
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China issued the largest stamp ever, 210mm Long and 65mm wide. Find the ratio of length to width
lora16 [44]
210 : 65 
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42 : 13 is the ratio of 210mm long and 65mm wide
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<span>divide both numbers by 5</span>
7 0
3 years ago
Find the 52nd term of the arithmetic sequence ?
Gwar [14]

不完整的问题,对不起,伙计。

本题已由中国数学会官方解答(现有会员:2人)

3 0
2 years ago
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