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Alinara [238K]
3 years ago
10

five pencils and four pens cost $6.15. three similar pencils and eight owns cost $9.85. how much would you expect to pay for a s

et of eight pencils and seven pens?
Mathematics
1 answer:
stepladder [879]3 years ago
8 0
Here you have to add and subtract
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P = 5(2t -20) what is an equivalent form of this rule
puteri [66]

Answer:

p = 10t - 100

Step-by-step explanation:

Perform the indicated multiplication:  p = 10t - 100.

3 0
3 years ago
The fastest train on earth is Maglev, a Japanese train which runs at a
CaHeK987 [17]

Answer:

167.2 m/sec

Step-by-step explanation:

Convert 602 km/hr to m/sec, as follows:

602 km       1000 m

------------ * ----------------- = 602,000 m/hr

    hr               1 km

Recall that 1 hr = 3600 sec.  Convert 602,000 m/hr to m/sec:

602,000 m          1 hr

------------------ * ---------------- = 167.2 m/sec

     1 hr              3600 sec

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2 years ago
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Answer:

its d

Step-by-step explanation:

5 0
3 years ago
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There are 35 red marbles, 8 blue marbles, and 7 green marbles in a bag. What is the theoretical probability of randomly drawing
krok68 [10]
Number of red marbles/total number of marbles
35/(35+8+7)
35/50
7/10

The probability is 7/10
4 0
3 years ago
At the beginning of the year 2000, Bob put $100 in a savings account. The bank pays Bob 5% interest on his total savings at the
nataly862011 [7]
Here, number of periods (years), n=5
Annual interest rate, i=0.05  (compounded yearly)
Present value/deposit, P=100
Future value of deposit = P(1+i)^n=100(1.05^5)=127.63 (to the nearest cent)

Answer: After 5 annual interest payments, Bob will have 127.63 in his account.
5 0
3 years ago
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