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CaHeK987 [17]
2 years ago
15

Une échelle est posée contre un mur et une caisse cubique de 1m de côté La distance entre le bas de l'échelle et la caisse est d

e 1.40 M calculer si possible la distance entre le haut de l'échelle et le sol
Mathematics
1 answer:
kogti [31]2 years ago
4 0
I am not a French student
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The graph shows the cost to rent a surfboard for different amounts of time. Cost to Rent a Surfboard Cast (dollars) 1 7 23 4 5 6
Romashka-Z-Leto [24]

Answer:

d

Step-by-step explanation:

Because it is asking for the amount of times and the dots land in 1,2,3,4,5,6 hope this helps :D

3 0
2 years ago
Hey guys please answer if you know​
jonny [76]

Answer:

19

Step-by-step explanation:

note that

(a + b)² = a² + b² + 2ab , that is

a² + b² + 2ab = (a + b)² ← subtract 2ab from both sides

a² + b² = (a + b)² - 2ab

           = 5² - 2(3)

           = 25 - 6

          = 19

6 0
3 years ago
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A trinomial is also a polynomial
kap26 [50]
Yes, a trinomial is also a polynomial.
6 0
2 years ago
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X+y+z=3<br> x-y+z=2<br> x+y-z=1
Dima020 [189]

Answer:

Step-by-step explanation:

I'm assuming you are solving this system for x, y, and z.  Do it this way:

Combine the first 2 equations and the second 2 equations and eliminate the y's.  The first 2 equations:

x + y + z = 3

x - y + z = 2

which solves to

2x + 2z = 5

The second 2 equations:

x - y + z = 2

x + y - z = 1

which solves to

2x = 3 so

x = 3/2 or 1.5

Now sub that x value into the bold equation above to get:

2(1.5) + 2z = 5 and

3 + 2z = 5 and

2z = 2 so

z = 1

Now we plug back in to solve for y:

1.5 + y + 1 = 3 and

2.5 + y = 3 so

y = .5

The solution set then is (1.5, .5, 1) or in fraction form:

(\frac{3}{2},\frac{1}{2},1)

6 0
3 years ago
4) John has a balance of $1,500 in his First State Bank checking account. He
Anni [7]

Answer:

2036.81

Step-by-step explanation:

1500+477.29+237.52+550=2764.81

2764.81-728=2036.81

4 0
2 years ago
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