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KatRina [158]
3 years ago
9

From 84 seconds to 8 seconds

Mathematics
2 answers:
Allushta [10]3 years ago
7 0

Answer:

76 seconds

Step-by-step explanation:

84 - 8 = 76 seconds

Svet_ta [14]3 years ago
6 0

Answer:

Clarify

Step-by-step explanation:

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A vending machine has 5 colors (white, red, green, blue, and yellow) of gumballs and an equal chance of dispensing each. A secon
Karo-lina-s [1.5K]

Answer:

1/20 or 0.05

Step-by-step explanation:

<u>The probability of getting yellow</u>:

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<u>The probability of getting a lion rubber band</u>:

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<u>The probability of getting two events (getting yellow, getting a lion) are independent, so we have to multiply the two probabilities to get</u>:

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7 0
3 years ago
Tell which number is greater. <br> 11/15 or 74%
ipn [44]
11/15 = 73.3%. 73.3 is less than 74%, so 74% is greater.

To find the percentage, you do top ÷ bottom then do x 100
7 0
4 years ago
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How many kg of 30% salt solution by mass and 40% salt solution by mass should be mixed to form 200kg of 37% salt solution ?
allochka39001 [22]

Let us assume that x kg of 30% salt solution is mixed with (200-x) kg of 40% salt solution in order to obtain 200 kg of 37% salt solution.

We can set up a linear equation in terms of x by setting amount of total salt before mixing and after mixing equal to each other.

30\%\text{ of }x+40\%\text{ of }(200-x)=37\%\text{ of }200\\0.30x+0.40(200-x)=0.37(200)\\0.30x+80-0.40x=74\\0.10x=6\\x=60

Therefore, 60 kg of 30% salt solution should be mixed with 140 kg of 40% solution.

7 0
3 years ago
Arithmetic progression​
melamori03 [73]

Answer: ar·ith·met·ic pro·gres·sion

/ˌeriTHˌmedik prəˈɡreSH(ə)n/

noun

a sequence of numbers in which each differs from the preceding by a constant quantity (e.g., 3, 6, 9, 12, etc.; 9, 7, 5, 3, etc.).

the relationship between numbers in an arithmetic progression.

"the numbers are in arithmetic progression"

Step-by-step explanation:

4 0
3 years ago
Which is the better buy A)10 penceis for 50cents B)6 penciels for 2.70
kykrilka [37]
That one i believe would be A

6 0
4 years ago
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