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4 years ago

Frank ate 12 pieces of pizza and Dave ate 15 pieces. “I ate

Mathematics

1 answer:

kobusy [5.1K]4 years ago

7 0

Answer:

Frank

Step-by-step explanation:

So If Dave ate ¼ more than Frank, you would need to divide the denominator by the amount of pizzas, so if 12÷4 is 3 he ate three more pizzas than Frank. If we do the same for Frank, ⅕ or 15÷5=3

So the correct answer would be Frank because 12 is less than 15

My apologies if this wasnt explained very well

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I believe 121 minutes.
What I did:
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3 years ago

Given: g(x) = square root x-4 and h(x) = 2x - 8 What are the restrictions on the domain of g of h. x greater than or equal to

maks197457 [2]

Answer:

Step-by-step explanation:

x-4 greater or equal 0

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3 years ago

Solve each system by substitution <br> 5x + 7y = -23<br> Y = -2x - 11

Alenkasestr [34]

Answer:

x = −6

Explanation:

5x + 7y = -23

Y = -2x - 11

Substitute -2x - 11 for y in 5x + 7y = -23

5x + 7(−2x − 11) = −23

Simplify both sides of the equation

5x + 7(−2x − 11) = −23

5x + (7)(−2x ) + (7)(−11) = −23 (Distribute)

5x + −14x + −77 = −23

(5x + −14x) + (−77) = −23 (Combine Like Terms)

−9x + −77 = −23

−9x − 77 = −23

Add 77 to both sides

−9x − 77 + 77 = −23 + 77

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Divide both sides by -9

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6 0

3 years ago

Which is the maximum value of the function y=-3x2 - 15x+9?

blagie [28]

Answer:

Step-by-step explanation:

The maximum value of the function is the y- coordinate of the vertex.

Given a parabola in standard form

y = ax² + bx + c ( a ≠ 0 )

Then the x- coordinate of the vertex is

$x_{vertex}$ = - $\frac{b}{2a}$

y = - 3x² - 15x + 9 ← is in standard form

with a = - 3 and b = - 15, thus

$x_{vertex}$ = - $\frac{-15}{-6}$ = - 2.5

Substitute x = - 2.5 into the equation for y- coordinate of vertex

y = - 3(- 2.5)² - 15(- 2.5) + 9 = - 18.75 + 37.5 + 9 = 27.75 → B

3 0

3 years ago