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asambeis [7]
3 years ago
6

What is the zero of r(x)=8/3 - 16?

Mathematics
1 answer:
Nikitich [7]3 years ago
6 0

Answer:

pretty sure it's no solution unless you wrote the equation wrong

Step-by-step explanation:

if you replace y with 0 (to find the roots or zeros) and solve for x then there is not a solution

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A dairy sells $3 and $5 ice creams. In one day they sell 50 ice creams earning a total of $180. How many of each type of ice cre
murzikaleks [220]
We are going to make simultaneous equations.
x will be our $3 ice cream and y will be our $5 ice cream

Equation1 ----            x + y = 50   (the sum of all the ice creams they sell)
Equation 2 ----          3x + 5y = 180  Sum of all the $3 and $5 ice creams is $180
Since we can't solve for both variables we will put one of the variables in terms of the other.
Take x+y=50 and subtract y from both sides.  (I could have done subtracted x - it did not matter).       Now we have x= ₋ y +50  (negative y +50)
Now I am going to take equation 2 and replace the x with -y +50

3 (-y +50) + 5y = 180   
Now I will use the distributive law on the 3 and what's in the parentheses:
-3y + 150 + 5y = 180
Now I will combine like terms (the -3y and the 5y)
2y + 150 = 180
Now subtract 150 from both sides of the equation
2y = 30
Divide both sides by 2
and get y= 15 They sold 15 ice creams that cost $5 each
Since equation 1  is  x+y=50 we can replace y with 15
x + 15 = 50    Now subtract 15 from both sides  x = 35
Since x represents the $3 ice creams, they sold 35 of those.
Check:
35 X 3 = $105
15 x 5  = +  <u>75
</u>               $180  

8 0
3 years ago
An electrician charges $45 for each home visit plus $19.95 every hour he spends working. Which sentence could be used to find C,
VARVARA [1.3K]

Answer:

C= 45 + 19.95h

Step-by-step explanation:

45 for each home vist means one time payment

19.95 ever hour means you are charged 19.95 every hour

H= hour

4 0
3 years ago
(6h + 8) - (3h + 2) = 15<br> PLEASE HELP I ALSO NEED TO SHOW WORK
Anestetic [448]

Answer:

h=3

Step-by-step explanation:

So we have the equation:

(6h+8)-(3h+2)=15

First, let's distribute the negative:

(6h+8)+(-3h-2)=15

Combine like terms:

(6h-3h)+(8-2)=15

Subtract or add:

3h+6=15

Subtract 6 from both sides:

3h=9

Divide both sides by 3:

h=3

And we're done!

5 0
3 years ago
Read 2 more answers
Reduce the 24 hour clock times in 12 hour clock time add am or pm
Shkiper50 [21]

Answer:

1) 1:04 am

2) 6:22 pm

3) 6:42 pm

4) 1:30 pm

5) 12:40 pm

6) 5:35 pm

7) 3:24am

8) 11:25 am

9) 6:42 am

10) 9:20 am

6 0
3 years ago
Tran had 40.00 saved for a new bike. Four weeks later he had saved $68.00. At what rate of change did Tran’s savings grow?
AfilCa [17]
Tran aquired $28 over a whole week
6 0
3 years ago
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