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sasho [114]
3 years ago
12

F(x)= 0.5x - 14; f(-4)

Mathematics
1 answer:
postnew [5]3 years ago
5 0
If you replace the x with -4 and multiple that by 0.5 then minus that from 14 you will get -16
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after losing eight yards on a play, the bears retain possession of the football on their 23-yard line. where was the ball before
loris [4]
X - 8 = 23
x = 23 + 8
x = 31 <== originally on their 31 yard line
6 0
3 years ago
What is the slope of the line shown below? PLEASE HELP
NikAS [45]

Answer:

C. 2

Step-by-step explanation:

The grid markings are the same distance apart in the x- and y-directions, so a line with slope 1 will make a 45° angle with the x-axis. Your line is steeper than that, so has a slope more than 1.

Your line goes up to the right, so its slope is positive.

The only answer choice that is a positive number more than 1 is ...

... C. 2

_____

The slope is computed as the ratio of rise (vertical change) to run (horizontal change). The two marked points tell you the vertical change is from y=-4 to y=6, a change of 6-(-4) = 10. The horizontal change is from x=1 to x=6, a change of 6-1 = 5.

Then the ratio of rise to run is 10/5 = 2. This matches answer C.

6 0
3 years ago
4&lt;-2x+3&lt;9 i dont understand
kolbaska11 [484]

Answer:

-1/2 > x > -3

Step-by-step explanation:

i)

-2x+3>4

-2x> 1

x < -1/2

ii)

-2x+3<9

-2x<6

x > -3

= -1/2 > x > -3

7 0
3 years ago
Question 18(Multiple Choice Worth 1 points) (01.01) Period 1 has 15 students in it and a test average of 86%. Period 2 has 21 st
andrew11 [14]

Answer:

89.125%

Step-by-step explanation:

The weighted mean is simply the multiplication of the number of student in each period times the respective average of said period, divided by the total number of students:

Average = \frac{15* 86 + 21*88 + 12*95}{15 + 21 + 12} = 89.125%

8 0
3 years ago
Please help ASAP
Ivan

Answer:

(5, 12, 13)

Step-by-step explanation:

5^2+12^2=25+144=169=13^2

5^2+12^2=13^2

5 0
2 years ago
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