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Grace [21]
3 years ago
12

3 Polnis

Mathematics
1 answer:
Minchanka [31]3 years ago
5 0

Answer:

D.4.7%

Step-by-step explanation:

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Ms. Reznik can jog 3000 feet in 5 minutes. How many feet can she jog in 8 minutes?
Pie

Answer:

4800 ft

Step-by-step explanation:

divide 3000 by to get the amount of ft she runs in a minute then multiply that answer by 8

(3000/5= 600×8= 4800

4 0
3 years ago
Read 2 more answers
Amar keeps picking playing cards out of a standard deck of 52 cards in the hopes that he will
lapo4ka [179]

Answer:

The required probability is, 0.78

Step-by-step explanation:

There are, (52 - 13) = 39 cards which are not spade

5 cards can be chosen from the deck of 52 cards in

^{52}{C}_{5}  ways

and out of these 5 choices, none of them will be spade in,

^{39}{C}_{5}  ways

So,

P(None of the chosen cards is spade)

= \frac {^{39}{C}_{5}}{^{52}{C}_{5}}

\simeq 0.22

Hence,

P(out of these 5 choices, at least one card is spade)

\simeq (1 - 0.22)

= 0.78

4 0
3 years ago
Solve for n 14n=70 solve
algol13

the answer is n=5

you just divide by 14 on both sides of the equation

3 0
3 years ago
Read 2 more answers
Slove 1/4(x-7)+5=7/8x
baherus [9]

Answer: The answer is...9 and 1/2!

Step-by-step explanation: Subtraction of course!

5 0
2 years ago
Using the Multiplication Property of -1
Papessa [141]

A. -(a+5)

Because the negative sign is outside the parenthesis, multiplying by -1 just removes the negative sign:

-(a+5) * -1 = a+5


B. -(-x+31)

Apply the distributive property:

-(-x+31) becomes (- -x +31) which simplifies to (x+31)

multiply that by -1 to get -x+31


C. -(4x+12)

Because the negative sign is outside the parenthesis, multiplying by -1 just removes the negative sign:

-(4x+12) * -1 = 4x+12

7 0
3 years ago
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