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Naddik [55]
2 years ago
5

Help please quickly i need help

Mathematics
1 answer:
vekshin12 years ago
4 0

Answer:

-7/3 is c

-2.9 is a

-2 5/8 is b

Step-by-step explanation:

-5/2 = -2.5

-7/3 > -2.5, so -7/3 is c

-6/2 = -3

-2.9 is very close to -3, so -2.9 is a

-2 5/8 is just a little less that -2.5, so -2 5/8 is b

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If 15 people can empty the truck in 60 minutes, how long will it take 25 people to empty the same truck.
nikklg [1K]
60 divide dos by 15 is 4, so it takes 4 minutes for each person to empty it.
25 x 4 = 100, so the answer would be 100 minutes.
8 0
3 years ago
Onesimus bought a phone for $ 75 and signed up for a single-line phone plan with 2000 monthly anytime minutes. The cost of the p
AysviL [449]

Answer:

cost for 21 months without considering cost of phone is  $2,611.56

Total cost inclusive of cost of phone = $2,686.56

Step-by-step explanation:

cost of 2000 monthly anytime minutes plan = $ 124.36

So , in 1 month cost for given plan = $ 124.36

we have to find cost for 21 month

In 21 month, cost for given plan = 21 * cost of 1 month plan

In 21 month, cost for given plan = 21 * $ 124.36 = $2,611.56

cost for 21 months is  $2,611.56.

Note, this cost is without considering the cost of phone as it is not mentioned cost of phone is to be included or not.

In case cost of phone is included then

Total cost inclusive of cost of phone =  $2,611.56 + $75 = $2,686.56

7 0
3 years ago
A bag is filled with 200 silver coins and 123 gold coins. What is the theoretical probability of not pulling out a silver coin
Simora [160]
62% because 200 silver coins out of 323 (total of all coins) is .619..., resulting in 62%
4 0
3 years ago
If a varies directly as the cube root of b and if a=3 and b=64.find the formula connecting the variables hence find b when a=15/
Liono4ka [1.6K]

Answer:

b = 125

Step-by-step explanation:

Given a varies directly as \sqrt[3]{b} then the equation relating them is

a = k\sqrt[3]{b} ← k is the constant of variation

To find k use the condition a = 3 , b = 64 , then

3 = k\sqrt[3]{64} = 4k ( divide both sides by 4 )

\frac{3}{4} = k

a = \frac{3}{4} \sqrt[3]{b} ← equation of variation

When a = \frac{15}{4} , then

\frac{15}{4} = \frac{3}{4} \sqrt[3]{b} ( multiply both sides by 4 to clear the fractions )

15 = 3\sqrt[3]{b} ( divide both sides by 3 )

5 = \sqrt[3]{b} , then

b = 5³ = 125

6 0
2 years ago
A standard deck of 52 playing cards consists of four suits (hearts, spades, diamonds and clubs). Spades and clubs are black whil
Mila [183]

Answer: Hello there!

in a deck of 52 cards, you have 26 red cards and 4 kings, where 2 kings are also red cards, so we could discard them.

We want to know the probability of drawing a red card or a king whem we draw at random, then all the cards have the same probability. This is the quotient between the number of red cards or kings and the total number of cards:

p = 26/52 + 2/52 = 28/52 = 0.48

then you have a 0.48 (or 48%) probability to get a red card or a king.

3 0
3 years ago
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