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Liula [17]
3 years ago
11

Help me with this problem please #23

Mathematics
2 answers:
My name is Ann [436]3 years ago
7 0
It takes 6 minutes for the printer to print 21 photos
Georgia [21]3 years ago
4 0
19).   24 laps in 6 mins. = 4 laps/1 min
          72 laps in 18 mins.  = 4 laps/min
            Answer is YES rates are equivalent.


20).    126 points every 3 games
           210 points every 5 games
            YES   rates are equivalent
 this is a fraction equal to 126   3 games/ 210   5 games = 0.6  3 games per 5 game.



21). 15 breaths every 36 seconds = 5/12
        90 breaths every 3 minutes  = 30/1 min
         Answer is NOT Equivalent
= 0.17     36 seconds per   3  minute


22).$16 for 4 pounds = There are 16 ounces in 1 pound.
         $1 for 4 ounces
         Yes the rates are equivalent
16  3 games/ 1   5 games
 16  3 games per 5 game


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1. One week Carlos bought 3 bags of Tabitha Tidbits and 4 bags of Figaro Flakes for $43.00. The next week he bought 3 bags of Ta
d1i1m1o1n [39]
Tabitha Tidbits costs $7 per bag, and Figaro Flakes is $5.50 per bag.
You need to set up a system of equations. Use "x" for Tabitha Tidbits and "y" for Figaro Flakes, and let the total cost of each trip equal c. Using the equation ax+by=c, substitute the cost of each trip in for c, and the number of bags for each food for a and b respectively. The two equations will be:
3x+4y=43
3x+6y=54
Isolate x in the first equation and you will get:
x=(43-4y)/3
Substitute the above equation for x into the other equation:
3*((43-4y)/3)+6y=54
Isolate y in this equation, and you will get 11/2, which is 5.5
So the cost of one bag of Figaro Flakes is $5.50
Now substitute this into the equation where you isolated x:
(43-4(5.5))/3
You will get x=7, so a bag of Tabitha Tidbits is $7
3 0
3 years ago
Work out the value of<br> 5^8 x 5^-2 /<br> 5^4
IrinaK [193]

Answer:

the answer is 25

Step-by-step explanation:

7 0
3 years ago
Let ​ x^2+18x=44 .​ What values make an equivalent number sentence after completing the square?
Lostsunrise [7]
To find the final term to compete the square you need to divide the 'x' term by 2 then square it

x^2 +18x + = 44+ \\ x^2+18x+( \frac{18}{2} )^2=44+( \frac{18}{2} )^2 \\ x^2+18x+9^2=44+9^2 \\ x^2+18x+81=44+81 \\ (x+9)^2=125 - equivalent equation
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Write a sentence describing the meaning of the statement c(2)=40
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A number,c times two equal forty.

5 0
2 years ago
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<span>Not all functions will have intercepts</span>
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