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tankabanditka [31]
2 years ago
8

Help pls! I need help to finish :( No Links!

Mathematics
1 answer:
atroni [7]2 years ago
5 0
The answer is 7.5.
7 4/8 is also 7.5
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Find the axis of symmetry for this parabola y=-4x^2-8x-6 in an equation
djyliett [7]
Y = ax² + bx + c is the equation of a parabola:
 y = 4x² -8x -6 is our equation.
The axis of symmetry in a parabola is x = -b/2a 
 x = -(-8)/(2.4) = - 8/8 and x = - 1 (axis of symmetry
8 0
3 years ago
Use the graph below to find f(1)
Vladimir [108]

Answer:

I dont understand sorry

7 0
2 years ago
BRAINLIEST ANSWER PLUS EXTRA POINTS! Two planes leaves an airport at the same time, one flying east one flying west. The eastbou
nirvana33 [79]

Equation:

distance + distance = 2250 miles

3x + 3(x-110) = 2250

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5 0
3 years ago
72 is equal to 80% of a number n. Write and solve and equation to find n. Write the percent as a decimal.
valentina_108 [34]
Well I'm not sure what the answer would be since I'm not that smart but I did get the answer of 90, I did this by dividing 72 by 80 which equals .9 and I multiplied that by 100 and got 90.
4 0
3 years ago
Read 2 more answers
Two fair number cubes are rolled. What is the probability the numbers are equal or the sum is odd?
Marat540 [252]

Answer:

0.6667 = 66.67%

Step-by-step explanation:

If each number cube has 6 numbers, the two cubes have a total of 6 * 6 = 36 results.

To have equal numbers in each cube, the cases are:

(1,1), (2,2), (3,3), (4,4), (5,5), (6,6) -> 6 cases

To have a odd sum, the cases are:

(1,2), (1,4), (1,6),

(2,1), (2,3), (2,5),

(3,2), (3,4), (3,6),

(4,1), (4,3), (4,5),

(5,2), (5,4), (5,6),

(6,1), (6,3), (6,5). -> 18 cases

So we have a total of 18 + 6 = 24 cases, then the probability is:

P = 24 / 36 = 0.6667 = 66.67%

5 0
2 years ago
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