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Slav-nsk [51]
3 years ago
5

54 cans of food during the food drive if there are 29 classes in the school what was the least number of cans collected

Mathematics
1 answer:
pshichka [43]3 years ago
5 0
54 divided by 29= 1.86 rounded to the nearest tenth I think
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Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s). Consider this s
Brut [27]

Answer:

<u>The solution of this system of equation is ( 3, - 8)</u>

Step-by-step explanation:

1. Let's solve the system of equations:

First equation:

x + 2y = - 13

x = - 13 - 2y

Second equation:

12x + 5y = -4

12 * (- 13 - 2y) + 5y = - 4 (Replacing x with - 13 - 2y)

-156 -24y + 5y = - 4

-24y + 5y = - 4 + 156 (Like terms)

-19y = 152

y = - 152/19

<u>y = -8</u> (Dividing by 19)

Solving x

x + 2y = -13

x + 2 (- 8 ) = - 13

x - 16 = - 13

x = - 13 + 16

<u>x = 3</u>

2. Proving that x = 3 and y = - 8 are correct:

12x + 5y = -4

12 * 3 + 5 * -8 = -4

36 - 40 = - 4

- 4 = - 4

<u>We proved that x = 3 and y = - 8 are correct</u>

8 0
3 years ago
race drivers must complete 200 laps in the Daytona 500. If Ricky Bobby only completed 57% of the race, how many laps did he comp
vlada-n [284]
We can set up a proportion to figure out how many laps out of 200 laps is 57% out of 100%

\frac{x}{200} =  \frac{57}{100}

Cross multiply

100x = 57(200)

x =  \frac{57(200)}{100}

x = 2(57) = 114

The answer is 114 laps.
4 0
3 years ago
Read 2 more answers
A larger number is one less than five times a smaller number. The sum of
Andre45 [30]

Answer:

whichever of these formats you need its the same answer (16/6) or 2.66666 or (2 and 2/3rds)

Step-by-step explanation:

replace smaller variable with x for example

(x) + (5x-1) = 17

6x-1=17

6x=16

x=(16/6 or 2.666666 or 2and2/3)

6 0
3 years ago
A blueprint has a scale of one eighth inequals1 ft. On the​ blueprint, a wall is drawn 2 and three eighths in long. What is the
katrin2010 [14]

19 feet

convert 2 \frac{3}{8} into an improper fraction

2 \frac{3}{8} = \frac{19}{8}

hence the length of the wall is 19 feet


8 0
3 years ago
To factor 9x^2 - 4, you can first rewrite the expression as:
olga2289 [7]

Answer:

  C. (3x)^2 - (2)^2

Step-by-step explanation:

Each of the two terms is a perfect square, so the factorization is that of the difference of squares. Rewriting the expression to ...

  (3x)^2 - (2)^2

highlights the squares being differenced.

__

We know the factoring of the difference of squares is ...

  a^2 -b^2 = (a -b)(a +b)

so the above-suggested rewrite is useful for identifying 'a' and 'b'.

4 0
3 years ago
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