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kolezko [41]
3 years ago
15

Diane ande her 3 friends when out to eat the total cost of lunch was $34 if they split the bill evenly how much Will each person

have to pay?
Mathematics
2 answers:
Kruka [31]3 years ago
7 0

Answer:

8.5

Step-by-step explanation:

Diane would also be included because it is her AND her 3 friends, so it would be 34 divided by 4 = 8.5

I hope this helps you

ahrayia [7]3 years ago
4 0

Answer:

8.5

Step-by-step explanation:

34 divided by 4

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hram777 [196]

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6 0
3 years ago
Solve the system
Helga [31]
The answer is actually choice A

---------------------------------------------------------
---------------------------------------------------------

If we add up the equations straight down we will have 0a+2b = 6

Note how adding the 'a' terms gives us 3a + (-3a) = 3a-3a = 0a. The 0a term is really 0 since 0 times anything is 0. So the 'a' terms will go away

The equation 0a+2b = 6 turns into 0+2b = 6 and that simplifies to 2b = 6

To isolate b, we divide both sides by 2

2b = 6
2b/2 = 6/2
b = 3

We can stop here since only one answer choice has b = 3, which is choice A. However, let's keep going to find the value of 'a'

Plug b = 3 into any equation with 'a' and 'b', then solve for 'a'

3a+4b = 9
3a+4*3 = 9
3a+12 = 9
3a+12-12 = 9-12
3a = -3
3a/3 = -3/3
a = -1

So a = -1 and b = 3 pair up to form (a,b) = (-1,3)

--------------------------------------

To check, plug this ordered pair back into both equations

Equation 1:
3a+4b = 9
3*(-1)+4*3 = 9
-3+12 = 9
9 = 9
Equation 1 has been checked out

Equation 2:
-3a-2b = -3
-3(-1)-2(3) = -3
3 - 6 = -3
-3 = -3
this is true as well

So this confirms that the final answer is choice A
8 0
2 years ago
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A bat and a ball cost a total of $1.10. If the bat costs a dollar more than the ball, how much does the ball cost?
Natalija [7]
10 cents hope this helps
8 0
3 years ago
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When measuring time, 8 concerts are approximately equal to 6 symphonies. How many symphonies are equal to 42 symphonies?
Vinil7 [7]
So normally it is
if 8x is to 6y, then how many x is to 42y?
it could be
if 8x:6y then how many x:42y or
if 8x:6y then how many y:42 x

I will solve for both

if it is
x:42y go to AAAAAAAA
if it is
y:42x then go to BBBBBBBBBB


AAAAAAAA
 how many concerts are equal to 42 symponies
arrange in concerts to symponies format

8:6=x:42
fractionify
8/6=x/42
multiply boht sides by 42
336/6=x
56=x
56 concerts equals 42 symponies



BBBBBBBBBB

 how many  symponies are equal to 42 concerts
areange in symponies:concerts
6:8=x/42
fractionify
6/8=x/42
multiply boht sides by 42
252/8=x
31.5=x
31.5 symponies to 42 concerts




so it could be


56 concerts to 42 symponies
or
31.5 symonies to 42 concerts
6 0
3 years ago
I NEED HELP ASAP!!!!!!!
DIA [1.3K]

Answer:

f(-3)= 15

Step-by-step explanation:

f(-3) means x is equal to -3

-3 squared - 2(-3)

-3*-3 -2(-3)

*Negative multiplied by a negative equals a positive

9+6= 15

f(-3)= 15

Hope this helps!

3 0
3 years ago
Read 2 more answers
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