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Andrej [43]
2 years ago
10

PLEASE HELP!!! i tryed by i thing I got it wrong I WILL GIVE BRANLIESS

Mathematics
1 answer:
Anettt [7]2 years ago
7 0

Answer:

Dinner: $45

Dinner after discount: $29.25

Tax after discount: $31.59

Tip before the discount: 6.75

Total cost: 38.34

Step-by-step explanation:

Hope it helps! :) (double check my work to be sure)

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Chase is comparing music subscription prices. A 12-month subscription with All Ears costs $91.80 and a 3-month subscription with
Tom [10]

Answer:

<h2><em>  press play   </em></h2>

Step-by-step explanation:

<em>1 year 91 dollars or three month 13 dollars so press play would end up at 52 a year and all ears ends up at 91 a year </em>

3 0
3 years ago
Can someone help me solve this
ikadub [295]

Answer:

  1. 168.25 ft
  2. 3.125 s

Step-by-step explanation:

It is almost too easy to let a graphing calculator show you the solution. (See attached)

_____

You may be expected to use some actual algebra (or even calculus) to find the solution.

If you've spent any time with quadratics, you know the vertex of ax²+bx+c is located at x=-b/(2a). Here, that means the time to get to the highest point is ...

... t = -100/(2·(-16)) = 100/32 = 3.125 . . . . seconds

Then the highest point is ...

... h(3.125) = -16·3.125² +100·3.125 +12 = 168.25 . . . . feet

_____

Or, you can put the equation into vertex form.

... h(t) = -16t² +100t +12

... = -16(t² +6.25t) +12

... = -16(t² +6.25t +3.125²) +12 +16·3.125² . . . . . add the square of half the t coefficient inside parentheses; add the opposite of the same amount outside parentheses

... = -16(t +3.125)² +168.25 . . . . . simplify

This tells us the peak of the travel of the bullet is at 168.25 ft after 3.125 seconds.

6 0
3 years ago
PLEASE HELP WILL GIVE BRAINLIEST
patriot [66]

Answer:

The answer is (5,-6)

Step-by-step explanation:

it's the only point that's both on the line and and further away from point A

3 0
3 years ago
"assume that s is a non-empty set of real numbers which is bounded above and lambda is the least upper bound. Prove that for all
s2008m [1.1K]

By definition, if \lambda is the least upper bound of the set S, it means two thing:

  • \forall x \in S,\ x \leq \lambda
  • \forall \varepsilon>0,\ \exists x \in S:\ x>\lambda-\varepsilon

In other words, the least upper bound of a set is greater than or equal to every single element of the set, but it is "close enough" to the elements of the set, because you guaranteed to find elements in the set between \lambda-\varepsilon and \lambda

For example, pick S = [1,10). Obvisouly, the least upper bound is \lambda = 10. In fact, every number in [1,10) is smaller than 10, but as soon as you take away something from 10, say 0.01, you get 9.99, and there are elements in S greater than 9.99, say 9.9999.

So, the claim is basically proven by definition: if \beta < \lambda, let 0 < \delta = \lambda - \beta. By definition, there exists \alpha \in S:\ \alpha > \lambda - \delta.

8 0
3 years ago
Please solve part c.d.e and f​
GaryK [48]

SEE THE IMAGE FOR SOLUTION

HOPE IT HELPS

HAVE A GREAT DAY

7 0
3 years ago
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