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Studentka2010 [4]
3 years ago
11

Evaluate y^2+7y-8 when y=-3

Mathematics
1 answer:
inessss [21]3 years ago
6 0

Answer:

the answer if the first picture

Step-by-step explanation:

the second one is the explanation

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frank is a time-share brokers. his earnings are based on a graduated commission. he receives 3% on any time-share sale up to $10
noname [10]

Answer:

$325

Step-by-step explanation:

Time-share = $10 500

On first $10 000 ,

Commission at 3 % = 0.03 × 10 000 = $300

On remaining $500,

Commission at 5 % = 0.05 ×      500 = <u>    25 </u>

                             Total commission = $325

Frank made $325 selling the time-share.

7 0
3 years ago
A ladder is inclined at only 23 degrees against the wall what the height of the ladder reaches up the wall
maw [93]

Step-by-step explanation:

To determine what the height of the ladder reaches up the wall we need to know the height of ladder which is not provided in the question.

So if I assume the height of ladder to be 10ft( just a general assumption)

Then, inclined ladder, wall and distance been the bottom of the ladder and wall will form a right angle triangle.

where height of ladder will be hypotenuse, height of the ladder reaches up the wall will be perpendicular and distance been the bottom of the ladder and wall will be base.

Since, A ladder is inclined at 23 degrees against the wall

⇒ height of the ladder reaches up the wall  = Height of ladder×sin23°

= 10ft × sin23° = 3.9073 ft

7 0
3 years ago
Factor a perfect square
Lesechka [4]
(5x-12)^2

Square factor of 25 is 5.
Square factor of 144 is 12.

Hope this helps. I didn't understand what to do with it.
5 0
3 years ago
A ball is thrown upward from 3 feet iff the ground at an initial velocity of 64 feet per second. What is the maximum height the
Elza [17]

I found h max = 64 feet

Explanation: Ok...probably you can do this differently but I would try to find the vertex of the parabola describing the trajectory: 1) derive it: h ` ( t ) = 64 − 32 t 2) set derivative equal to zero: 64 − 32 t = 0 t = 64 32 = 2 sec 3) use this value of t into your trajectory: h ( 2 ) = h max 64 ⋅ 2 − 16 ⋅ 4 = 64 feet .

               

7 0
3 years ago
4 cubed 2 divided by 4
maksim [4K]

Answer: 32

Step-by-step explanation:

4 cubed 2 divided by 4

Simply is

4 to the power 3 multiplied by 2 divided by 4

4*4*4*2/4

128/4= 32

7 0
3 years ago
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