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Grace [21]
3 years ago
6

(a + y)2 + 2y if a = 5 and y = -3.

Mathematics
1 answer:
Basile [38]3 years ago
8 0

Answer:

-2

Step-by-step explanation:

Plug in the values and solve

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Fedrick salary varies directly with hour he works last week he earned 328.30 and worked 33.5 hours if he works this week what wi
stiks02 [169]

Answer:

m

Step-by-step explanation:

8 0
3 years ago
the sides of a triangular birdcage are consecutive intergers if tge perimeter is 114 cm what is tge length of each side
alexandr402 [8]
Let:
x = first consecutive integer (or first side of △)
x + 1 = second consecutive integer (or second side of △)
x + 2 = third consecutive integer (or third side of △)

The formula for a perimeter of △ is simply the addition of three sides (or length). Since the given perimeter is 114 cm,
x + x+1 + x+2 = 114
3x + 3 = 114
3x = 114 - 3
3x = 111
x = 111 /3 = 37 cm
The three sides are 37 cm, 38 cm, and 39 cm.
5 0
3 years ago
How many five-card hands (drawn from a standard deck) contain exactly three fives? (A five-card hand is any set of five differen
VashaNatasha [74]

Answer:

4512.

Step-by-step explanation:

We are asked to find the number of five-card hands (drawn from a standard deck) that contain exactly three fives.

The number of ways, in which 3 fives can be picked out of 4 available fives would be 4C3. The number of ways in which 2 non-five cards can be picked out of the 48 available non-five cards would be 48C2.

4C3=\frac{4!}{3!(4-3)!}=\frac{4*3!}{3!*1}=4

48C2=\frac{48!}{2!(48-2)!}=\frac{48*47*46!}{2*1*46!}=24*47=1128

We can choose exactly three fives from five-card hands in 4C3*48C3 ways.

4C3*48C3=4*1128=4512

Therefore, 4512 five card hands contain exactly three fives.

4 0
3 years ago
Kim's softball team is playing in the championship game. They are losing by a score of 1 7 1717 to 6 66. There are 4 44 innings
irga5000 [103]
The inequality is
6+4r>17
The miminum number of runs per inning is
3.
6 0
3 years ago
Read 2 more answers
The difference of the square of a number and 18 is equal to 3 times that number. Find
ololo11 [35]

Answer:

6.

Step-by-step explanation:

To solve this, you can set up an equation as such:

x²-18= 3x

Now, rearrange this to make it an equation in standard form:

x²-3x-18=0.

Simply turn this equation into factored form:

(x-6)(x+3)= 0.

The only positive solution here is x=6.

7 0
3 years ago
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