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tester [92]
2 years ago
9

I’m not sure how to solve this.

Mathematics
2 answers:
Elina [12.6K]2 years ago
8 0

Answer:

you use this equation because it is greater than 2

f(8)=1/2(8)+5

f(8)=4+5

f(8)=9

I hope this is good enough:

34kurt2 years ago
6 0

Answer:

f(8) = 9

Step-by-step explanation:

You would use the equation given on the bottom.

Plug in 8

f(8) = (1/2)(8) + 5 = 9

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Need help don't understand
Oduvanchick [21]

Answer:

the mode is found by how much of the same number there is making the mode 1

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5 0
3 years ago
How to substitute 3x+3y=-3 and y=5x-1?
schepotkina [342]
Since y = 5x-1, we can fill it into 3x + 3y = -3. First, let's look at relating to a simpler equation. Let's say that x + y = 9 and y = 3 + 5. Now, we can fill it in to get that x + (3 + 5) = 9. Now, we know that 3+5 is 8, so x + 8 = 9. Now, x = 1. Likewise, we can do the same. For 3x + 3y = -3, all we need to do is to switch the y in 3x + 3y = -3 with 5x - 1. So it would become 3x + 3(5x - 1) = -3. Now we distribute to get 3x + 15x - 3 = -3. Now add three to both sides to get 3x + 15x = 0. Now simplify to get 18x = 0. Now we know that x = 0. Now fill x into y = 5x - 1. So y = 5(0) - 1. Now we know that y = -1.

To check fill in the answer to 3x + 3y = -3.
3(0) + 3(-1) = -3
 0 + (-3) = -3
0 - 3 = -3
-3 = -3
Now that our check is completed we now know that x is 0 and y is -1.
7 0
3 years ago
Someone please help me with this :,D
german

Answer:

A hostel has provision for 45 students for 30 days.If 15 more students joined the hostel after 6 days,how long will provision last?

6 0
3 years ago
Read 2 more answers
You can solve the following proportion by cross multiplying. What will the equation be after you cross multiply? 3/9 = x/15
aksik [14]
 3         x
---- = -----
  9       15

so 9x = 45 (and x =5).
4 0
3 years ago
Read 2 more answers
The Cooking Club made some pies to sell during lunch to raise money for a field trip. The cafeteria helped by donating two pies
monitta

Answer: 7 pies

Step-by-step explanation: Since the club split the pies into 5 pieces and then had a total of 45 slices, you would first divide 45 by 5 and you would get 9. The question stated that the cafeteria gave 2 pies and they are asking how much the club made. So you would subtract 9 by 2 to get 7. This concludes to that the club made 7 pies in total. Hope that helps!

5 0
2 years ago
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