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fiasKO [112]
3 years ago
6

Two trains are traveling at a constant rate. Which train has the greater speed?

Mathematics
2 answers:
aniked [119]3 years ago
4 0

AnswerAccording to my caculations its B

Step-by-step explanation:Just trust me

Lapatulllka [165]3 years ago
3 0

Answer:

its B,

train B has the greater speed.

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n>19

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Ramona deposited $4,190.51 into a savings account with an interest rate of 5.2% compounded twice a year. About how long will it
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What’s another fraction for 4/10
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Step-by-step explanation:

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A school bought pens, each costing $1, and pencils, each costing $0.5. The cost of the whole purchase was $220. How many pens an
Aleks [24]

Answer:

<u>The number of pens = 120 and the number of pencils = 200</u>

Step-by-step explanation:

Let the number of pens x, and the number of pencils is y

the cost of one pen $1, and the cost of one pencil $0.5

The cost of the whole purchase was $220

1 * x + 0.5 * y = 220

x + 0.5 y = 220 ⇒ eq.(1)

there were 80 more pencils than pens

y - x = 80 ⇒ eq.(2)

from eq.(2) x = y - 80

By substitution with x from the last equation at eq.(1)

∴ (y - 80) + 0.5 y = 220

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x = y - 80 = 200 - 80 = 120

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7 0
3 years ago
Please help. will give brainliest ​
vichka [17]

Answer:

  • B. The probability that the student received a grade better than C is 0.45

Step-by-step explanation:

<u>Total number of students:</u>

  • 15 + 30 + 35 + 16 + 4 = 100
<h3>Statements</h3>

A.

  • p(<D) = 4/100 = 0.04
  • 0.04 ≠ 0.2
  • Incorrect

B.

  • p(>C) = (30 + 15)/100 = 45/100 = 0.45
  • 0.45 = 0.45
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C.

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D.

  • p(B or C) = (30 + 35)/100 = 65/100 = 0.65
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6 0
2 years ago
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