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marin [14]
2 years ago
14

Determine the net change between the given values of the variable. f(x) = 7x − 9; x = 2, x = 3

Mathematics
1 answer:
labwork [276]2 years ago
8 0

Answer:

the net change is 7

if u substitute x with

2 u get 5

3u get 12

4 u get 19

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Please help me I’m so lost
bearhunter [10]

Answer:

128

Step-by-step explanation:

Side a

11.314

cm

Area

128

cm²

Diagonal

16

cm

Perimeter

45.255

cm

7 0
3 years ago
Read 2 more answers
6% of 124 =<br> 7.44<br> 0.744<br> 74.4<br> 744<br> If you could explain would be great
Nezavi [6.7K]
To turn a percentage into a decimal, divide it by a hundred. So, 6% --> 6/100 which is 0.06.  To find a percentage of a number, multiply the number by the percent in decimal form. In this case, 124 x 0.06. The answer is 7.44. So 6% of 124 is 7.44
8 0
3 years ago
Find the missing fraction.<br> ___ + 1/16 = 3/2 <br><br> No links!
DochEvi [55]

Answer:

23/16

Step-by-step explanation:

3*8/2*8=24/16-1/16=23/16

7 0
3 years ago
Rewrite the function by completing the square f(x)=x^2-4x-26
leonid [27]

Answer:

(x - 2)² - 30

Step-by-step explanation:

To complete the square

add/subtract ( half the coefficient of the x- term )² to x² - 4x

f(x) = x² + 2(- 2)x + 4 - 4 - 26 = (x - 2)² - 30

8 0
3 years ago
In a group of 42 students, 9 study both Art and Biology.
LUCKY_DIMON [66]
Answer:
The probability the student studies Art and
Biology is 0.2143.
Step-by-step explanation:
Denote the events as follows:
A = a students studies Art
B= a students studies Biology
The information provided is:
N = 42
n (An B) = 9
n (A' n B) = 10
n (A' n B') =7
Then the number of students who study Art
but not Biology is:
n(An B') = N -n (An B) -n (A' nB) - n (A'n B')
= 42 - 10 - 7 - 9
= 16
The number of students who study Art but
not Biology is 16.
Compute the probability the student studies
Art and Biology as follows:
P(ANB)
n(ANB)
= 0.2143
Thus, the probability the student studies Art
and Biology is 0.2143.
3 0
2 years ago
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