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borishaifa [10]
3 years ago
6

DESPERATE WILL GIVE BRAINLIST AND THANKS

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
5 0
Ummmm The answer is 8
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Using the rule y= 3x + 4, find the value of y when xis 2.
Ne4ueva [31]

Step-by-step explanation:

given

y = 3x + 4

y(2) = 3(2) + 4 \\  = 6 + 4 = 10

5 0
3 years ago
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What is the midpoint of 2,6 and 10,12
-BARSIC- [3]

Answer:

               = 6, 9

Step-by-step explanation:

To find the midpoint , we use the formula

midpoint = (x1+x1)/2, (y1+y2)/2

             = (2+10)/2,  (6+12)/2

               = 12/2, 18/2

               = 6, 9

5 0
3 years ago
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Help me I really need it
yulyashka [42]

24/4=6

so 6 pieces on each side, since a rectangle is a square


8 0
3 years ago
I need help with 1-3 i don’t understand that problems and its already over due
Nina [5.8K]

Step-by-step explanation:

For a quadratic equation y = ax² + bx + c, the vertex (the maximum or minimum point) is at x = -b/(2a).

1) y = -0.5t² + 2t + 38

The maximum is at:

t = -2 / (2 × -0.5)

t = 2

The maximum height is:

y = -0.5(2)² + 2(2) + 38

y = 40

The coordinates of the vertex are (2, 40).  That means the missile reaches a maximum height of 40 km after 2 minutes.

2) y = -4.9t² + 12t + 1.6

The maximum is at:

t = -12 / (2 × -4.9)

t = 1.22

The maximum height is:

y = -4.9(1.22)² + 12(1.22) + 1.6

y = 8.95

The coordinates of the vertex are (1.22, 8.95).  That means the missile reaches a maximum height of 8.95 m after 1.22 seconds.

3) y = -0.04x² + 0.88x

The maximum is at:

x = -0.88 / (2 × -0.04)

x = 11

The maximum height is:

y = -0.04(11)² + 0.88(11)

y = 4.84

The maximum height of the tunnel is 4.84 meters.

The maximum width is when y = 0.

0 = -0.04x² + 0.88x

0 = -0.04x (x − 22)

x = 22

The maximum width is 22 feet.

7 0
3 years ago
Jeff bought a bottle of water for $2. He also bought some hot dogs for $3 each. Jeff did not spend more than $14 on the hot dogs
lions [1.4K]

Answer:

3H - 2 ≤ 14 I believe.

If i'm wrong forgive me

6 0
2 years ago
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