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evablogger [386]
2 years ago
9

Need help with an exam question

Mathematics
1 answer:
stealth61 [152]2 years ago
4 0
Take a pic with phone and it will give u answer
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help me ASAP please
xxMikexx [17]

Answer:

D

Step-by-step explanation:

I think it is D because exponential graphs usually have a curve to them. And the one you need is exponential decay so D is negative and exponential.

HOPE THIS HELPS! HAVE A GREAT DAY!! :)

5 0
3 years ago
Find the value of a for which the solution of the inequality is all real numbers
Katen [24]

Answer:

a= \frac{4x+15}{x-3}

Step-by-step explanation:

8 0
3 years ago
Solve by setting up a system of linear equations with 2 variables and 2 unknowns. Two hundred seventy six students enrolled in a
jeyben [28]

Let us say ,

x=number of students who passed

y=number of students who failed

total number of students =276

x+y=276..................(1)

We are given 5 times the number of students passed as failed.

x=5y.............(2)

plugging value of x from (2) in (1),

5y+y=276

6y=276

y=46

x=5y=46*5=230

x=number of students who passed=230

4 0
3 years ago
How many line segments are in the 20th figure?
Trava [24]
The first figure has 3 line segments.

the second figure has 3+3 =3*2 =  6 line segments

the third figure has 3+3+3 = 3*3 = 9 line segments

the fourth figure has 3+3+3+3=3*4=12 line segments...


so it is clear that:

the 20th figure has 3*20=60 line segments.


Answer: 60
5 0
3 years ago
At the Edmond Public Library there are 470 picture books and 75 board books. What is the ratio of picture books to each board bo
denis23 [38]

Answer:

470:80

Step-by-step explanation:

75 is rounded to 80, while 470 stays the same because it doesn't need to be rounded.

5 0
3 years ago
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