MATHEMATICS HIGH SCHOOL

Evaluate the function at the given value of the independent variable and simplify. ​h(x)=lx-18l ​; ​h(20​)

Answers

Answer 1
Answer:

Answer:

h(20) = |20 - 18| = |2| = 2

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Payton leaves to go on an 858585 minute bike ride at 3{:}27\text{ p.M.}3:27 p.M.3, colon, 27, start text, space, p, point, m, point, end text Payton's family eats dinner at 5{:}45\text{ p.M.}5:45 p.M.5, colon, 45, start text, space, p, point, m, point, end text How much time will Payton have between finishing her bike ride and eating dinner?
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A scooter costs $160. For each question, show your reasoning. The cost of a pair of roller skates is 20% off the cost of the scooter. How much do the skates cost? a) $128 b) $32 c) $192 d) $64

In a function you cannot have to of the same x values right?

Answers

Yes, in a function you cannot have two different images for the same x.

Because if an x has more than one image, you couldn't tell what is the value of the image given that x.

Evaluate each expression if
w=3/4, x=8, y=-2, and z=0.4

Answers

Answer:

The answer to your problem is -480

In order to maintain a healthy weight, an average adult dog that weighs 16 kilograms must consume 11 grams of dog food per kilogram of its body weight each day. A specialty pet store sells dog food by the cup, where 4 cups of dog food weighs 412 grams. About how many cups of dog food should the dog consume each day in order to maintain a healthy weight?

Answers

Approximately 1.7 cups because dog should consume 176 gram a day and one cup is 103 grams , so we just need to divide 176 on 103 and get 1.7 cups

The sum of a number and seven times of it is equal to the product of 25.6 and 12.5. What will be one fourth of that number?

Answers

Answer:

x + 7x = (25.6)(12.5)

8x = 320

x = 40, so (1/4)(40) = 10

P is the incenter of QRS. Use the given information to determine find the indicated measure.

Answers

The incenter is equidistant from all three triangle sides.
So, PJ = PK = PL.
PJ = 4x -8
PL = x + 7

Therefore,
4x -8 = x + 7
3x = 15
x = 5
So, PJ = 12
PL = 12 and
PK = 12

How do you solve (2z-3)(4z-7)=0

Answers


The key to this is to realize that if EITHER quantity in parentheses is zero,
then the whole left side is zero, and the equation is true.

First quantity:  (2z-3).  If this is zero, then the whole equation is true.

                                     2z - 3 = 0
Add 3 to each side:      2z       = 3
Divide each side by 2:    z      = 3/2  or  1.5

Second quantity:  (4z-7).  If this is zero, then the whole equation is true.

                                     4z - 7  =  0
Add 7 to each side:      4z        =  7
Divide each side by 4:   z         =  7/4  or  1.75

So the original equation has two solutions:

             z = 1.5
and
             z = 1.75 .
There are two values of z in this question.  (2z - 3)
-3 / 2 = -1.5
-1.5 x -1 = 1.5

(4z - 7)
-7 / 4 = -1.75
-1.75 x -1 = 1.75

z = 1.5 or 1.75
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