MATHEMATICS HIGH SCHOOL

Please answer correctly !!!!!!!! Will mark brianliest !!!!!!!!!!!
Please answer correctly !!!!!!!! Will mark brianliest !!!!!!!!!!! - 1

Answers

Answer 1
Answer:

Answer:

x=6

Step-by-step explanation:

h(x) = -( x-2)^2 +16

We want when h(x) = 0

0 = -( x-2)^2 +16

Subtract 16 from each side

-16  = -( x-2)^2 +16-16

-16 = -( x-2)^2

Divide by -1

16= ( x-2)^2

Take the square root of each side

±sqrt(16) = sqrt(( x-2)^2 )

±4 = x-2

Add 2 to each sdie

2 ±4 = x-2+2

2+4 = x     2-4 =x

6 =x           -2 =x

since time cannot be negative

x=6

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Ed is doing a survey of popular colors for cars for a school report. He decides to take a sample by sitting near a busy intersection and noting the colors of the cars as they go by him. Ed counts 23 black cars, 9 red cars, 17 blue cars, 25 white cars, and 21 silver cars during 20 minutes of watching. How many more white and blue cars are there than silver and red cars?

Answers

The answer is 12.

If we represent the cars in this way:
Black cars  A = 23
Red cars    B = 9
Blue cars   C = 17
White cars D = 25
Silver cars E = 21

Then sum of white and blue cars is D + C = 25 + 17 = 42
And the sum of silver and red cars is E + B = 21 + 9 = 30

Using the subtraction:
(D+C) - (E+B) = 42 - 30 = 12

Therefore, there are 12 more white and blue cars than silver and red cars.

Answer:

12

Step-by-step explanation:

If y varies directly with x. If x = 2, then y = 24. What is the value of x when y = 96? x =

Answers

Answer:

48

Step-by-step explanation:

What is the volume of a square pyramid with a base length of 6 cm and a height of 9 cm?

Answers

Answer:

the answer to this is 108 cm³

Step-by-step explanation:
the volume is base area x height, so us 6 x 6 x 9, the answer is 324cm3

Use the graph below for this question:graph of parabola going through 0, 3 and 2, negative 5.

What is the average rate of change from x = 0 to x = 2? (1 point)


−4

−8

1

5

Answers

Answer:

It should be the 2nd one

Step-by-step explanation:
3rd one is the correct answer for your queation

4(1-3n)-14> 4(2n+3)-9n

Answers

4(1-3n)-14>4(2n+3)-9n
4-12n-14>8n+12-9n
-12n-10>-n+12
-22>11n
-2>n
n<-2
4(1-3n)-14>4(2n+3)-9n\ \ \ | omit\ brackets\n\n4-12n-14>8n+12-9n\ \ \ | combine\ like\ terms\n\n-10-12n>-n+12\ \ \ | add\ n\n\n-11n-10>12\ \ \ | add\ 10\n\n-11n>22\ \ | divide\ by\ -11\n\nn<-2\n\nn\in(-\infty,-2)

WZ
1. Which of the following terms best
describes the relationship between
Zw and 2X?
A corresponding angles
B same-side interior angles
C alternate interior angles

Answers

Answer:

b

Step-by-step explanation:
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