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3 years ago

Luke bought a new jacket using a 10% off coupon. He paid $12.93 total, which inclues $1.43 in tax.

Mathematics

2 answers:

elixir [45]3 years ago

8 0

Answer:

($14.37 was the original price)

Step-by-step explanation:

mars1129 [50]3 years ago

8 0

14.37 $ would be the original price and that is all

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The function h(t) = −16t2 + 18t models the height, in feet, reached by a leopard t seconds after it jumps. What is the approxima

S_A_V [24]

9514 1404 393

Answer:

5 1/16 ft

Step-by-step explanation:

h(t) = -16t(t -18/16) . . . . put in intercept form

The function describes a parabola that opens downward. It has zeros at t=0 and t=9/8. The maximum height will be found at the vertex of the parabola, halfway between these zeros.

f(9/16) = (-16)(9/16)² +18(9/16) = 81/16 = 5 1/16 . . . . feet

The approximate maximum height of the leopard is 5 1/16 feet.

5 0

3 years ago

Xavier is buying bottled water for his basketball team. If he has $20 to spend on water, and each bottle of water

SSSSS [86.1K]

Answer:

Step-by-step explanation:

1.5 * 13 = 19.5 dollars

0.50 = 20 - 1.5x where 0.50 is the amount of money he has left and x is the number of bottles of water he buys

4 0

3 years ago

I am in a algebra 1 class and we are learning about variables and slope and all that stuff , and also were mainly talking about

kozerog [31]

Answer:

okay .. then what is your questions ..

8 0

2 years ago

2h − 3 = 3 Need some help

QveST [7]

Answer: Let's solve your equation step-by-step.

2h−3=3

Step 1: Add 3 to both sides.

2h−3+3=3+3

2h=6

Step 2: Divide both sides by 2.

2h/2 = 6/2

h = 3.

8 0

3 years ago

In the Minnesota Northstar Cash Drawing, you pick five different numbers between 1 and 35. What is the probability of picking th

maw [93]

Answer:

$\frac{1}{324632}$ probability of picking the winning combination

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

Since the order is not important, the combinations formula is used to solve this question.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

Desired outcomes:

The correct five numbers from a set of 5. So

$D = C_{5,5} = \frac{5!}{5!0!} = 1$

Total outcomes:

Five numbers from a set of 35. So

$T = C_{35,5} = \frac{35!}{5!30!} = 324632$

Probability:

$p = \frac{D}{T} = \frac{1}{324632}$

$\frac{1}{324632}$ probability of picking the winning combination

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2 years ago