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Rudiy27
3 years ago
13

Pretty please can you help with problem 7. (ONLY IF YOU KNOW)

Mathematics
2 answers:
Vika [28.1K]3 years ago
6 0
1 yard = 3 foot. 1 Foot = 12 inches.
She has 2 yards, 3 inches which = 6 foot 3 inches. 
She needs 5 foot 9 inches. 

She has more than enough, and to work out how much she has left - 
3 inches - 9 inches = -6 inches. -0.5 foot.
6 foot - 5 foot = 1 foot. 
1 foot - 0.5 foot. = 0.5 foot. She has 0.5 foot left over

Eddi Din [679]3 years ago
5 0
Yes she has enough inches
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3 years ago
Which statement is true about the extreme value of the given quadratic equation?
ICE Princess25 [194]

Answer:

Option B.  The equation has a maximum value with a y-coordinate of -21.

Step-by-step explanation:

The correct quadratic equation is

y=-3x^{2}+12x-33

This is a vertical parabola open downward (the leading coefficient is negative)

The vertex represent a maximum

Convert to vertex form

Factor -3

y=-3(x^{2}-4x)-33

Complete the square

y=-3(x^{2}-4x+2^2)-33+12

y=-3(x^{2}-4x+4)-21

Rewrite as perfect squares

y=-3(x-2)^{2}-21

The vertex is the point (2,-21)

therefore

The equation has a maximum value with a y-coordinate of -21

3 0
3 years ago
Create an equivalent trinomial for 2 (3x + 5)(2x - 6)​
emmainna [20.7K]

Answer:

24x^2+112x+120

Step-by-step explanation:

distribute the 2

(6x+10)(4x+12)

foil it

24x^2+112x+120

5 0
3 years ago
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Step-by-step explanation:

7 0
3 years ago
Write the equation of a line passing through -1,4 and perpendicular to x+2y=11
Sophie [7]
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8 0
4 years ago
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