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KonstantinChe [14]
4 years ago
15

Seven times the sum of 7 and some number is -7. what is the number?

Mathematics
2 answers:
nexus9112 [7]4 years ago
4 0

Answer:

7 × 7x = -7 / The Number Equals -1/7

Step-by-step explanation:

irga5000 [103]4 years ago
3 0

Answer:c

Step-by-step explanation:

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Sara's grades are 78, 72, 66, 80, and 84. Sara decides to study hard for the final. Her score is 100. As an outlier, how does
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Answer:

B

Step-by-step explanation:

The Mean(Average) of 78+72+66+80+84 is 76 because (78+72+66+80+84)/5* and (78+72+66+80+84+100)/6* is 80.

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Valentin [98]

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Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B
grin007 [14]

Answer:

D. 46 minutes 12 seconds

Step-by-step explanation:

To find the answer, we need to calculate the least common multiple of 252,308 and 198

252=2^{2}×3^{2}×7

308=2^{2}×7×11

198=2×3^{2}×11

Then <em>least common multiple</em> is

2^{2}×3^{2}×7×11=2772 seconds

2772 = 46×60 + 12

Therefore 2772 secondsis equal to 46 minutes 12 seconds.

5 0
4 years ago
Jones of Boston borrowed $40,000, on a 90-day 10% note. After 60 days, Jones made an initial payment of $6,000. On day 80, Jones
jok3333 [9.3K]
Balance on 60th day PRIOR to payment
=40000(1+10%*(60/360))
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Balance after payment of $6000
=40666.67-6000
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3 years ago
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