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MrMuchimi
2 years ago
6

Serena lister all the possible three-digit numbers that can be created using each of the dígitos 7 , 8 and 9 only once. Which of

the following representa all the possible three digit numbers smallr than 900 that can beade using the digital 7 , 8 and 9 only once?
​
Mathematics
1 answer:
SpyIntel [72]2 years ago
4 0

Answer:

789 798 897 879

Step-by-step explanation:

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What is a variable in mathematics?
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Answer:

variable, In algebra, a symbol (usually a letter) standing in for an unknown numerical value in an equation. Commonly used variables include x and y (real-number unknowns), z (complex-number unknowns), t (time), r (radius), and s (arc length).

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The Gilbert family bought airline tickets online. Each ticket cost $167. The Web site charged $19 per ticket, as well as a flat
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3 years ago
Elliot had 638 fewer marbles than Ravi had. Ravi then gave 352 marbles to Elliot. Who had more marbles in the end. How many more
irga5000 [103]
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3 years ago
In a competition, a prize is won every 2018 minutes. Work out an estimate for the number of prizes won in 1 year. You must show
vagabundo [1.1K]

Answer:

260

Step-by-step explanation:

Number of hours in one year = 365 x 24 x 60 = 525600

(365 days, 24 hours per day, 60 minutes per hour)

One prize is won every 2018 minutes so in 525600 minutes

525600 / 2018 = 260 prizes will be won  (The answer is 260.46, which rounds to 260)

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7 0
2 years ago
Two angles are vertical angles. One angle is ( 8x + 15 ) and the other angle is 143. Solve for x.
sineoko [7]

Answer:

x = 16

Step-by-step explanation:

Verticle angles are always congruent, so:

(8x + 15) = 143

Now, we can solve to isolate x:

8x + 15 - 15 = 143 - 15  (subtract 15 from both sides)

8x/8 = 128/8                (divide both sides by 8)

x = 16

You can always plug in the value of x to the original equation to check your answer:

8(16) + 15 = 143

5 0
2 years ago
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