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vitfil [10]
3 years ago
14

It is 5 degrees outside and the temperature is expected to drop 4 degrees each hour for the next 3 hours. If this prediction is

correct, what will the temperature be in 3 hours?
Mathematics
1 answer:
Deffense [45]3 years ago
8 0

Answer:-7


Step-by-step explanation:

5-4-4-4=-7

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Susan has a collection of 90 nickels and dimes. If the number of nickels is five times the number of​ dimes, how many nickels an
AysviL [449]

Answer:

15 Dimes and 75 Nickles

Step-by-step explanation:

N = Nickles

D = Dimes

5D + D = 90

6D= 90

D= 15

90 - 15 = 75

N = 75

4 0
3 years ago
There are 15 tennis balls in a box, of which 9 have not previously been used. three of the balls are randomly chosen, played wit
vagabundo [1.1K]
For the first three balls that are chosen, the probability would be found by the following expression: 9/15*8/14*7/13 = 12/65  The numerator decreases since the number of new balls is decreasing with each one that is removed. The denominator decreases since the total number of tennis balls in the box is being decreased. For the second time that balls are chosen, the following expression is used: 6/15*5/14*4/13 = 10/273 The numerator starts with 6 since there are now fewer balls that are unused due to the ones previously have been used. These two fractions are then multiplied to find the total probability that none of the 6 balls were used. 12/65*10/273 = 8/1183
8 0
3 years ago
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this is step three of mathematical induction can somebody help me solve the rest, you only work on the left side to make it equa
kvv77 [185]

Answer:

Step 1(Base step) − It proves that a statement is true for the initial value. Step 2(Inductive step) − It proves that if the statement is true for the nth iteration (or number n), then it is also true for (n+1)th iteration ( or number n+1).

Step-by-step explanation:

3 0
3 years ago
You buy two types of fish at the local market. You need 1.5 pounds of tilapia and
Mila [183]

Answer:

$9.35

Step-by-step explanation:

Tilapia: 1.5 * $3.88 = $5.82

Cod: 1 * 3.53 = $3.53

$3.53 + $5.82 = $9.35

6 0
3 years ago
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Solve for the missing number, founding to three decimal places when necessary<br> b. 0.76 =<br> 1425
boyakko [2]

Answer:

1.425

Step-by-step explanation:

b.0.76

0.76÷1000=0.076

l425÷1000=1.425

5 0
3 years ago
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