How does the 3 in 350 compare to the 3 in 403

Mathematics

1 answer:

Alexandra [31]4 years ago

7 0

3 in 350 is 300 the 3 in 403 is 3

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Alex's friend Pablo comes up with an exact equation to find out how many bags he needs. Use his equation

Bezzdna [24]

Answer:

8.5 bags are needed.

Step-by-step explanation:

Given : Number of bags needed $B=x(2x+7)+3(2x+7)+(x+4)$

$(2x + 7) = 4$

To Find : how many bags he needs?

Solution :

$(2x + 7) = 4$

$2x=-3$

$x=-\frac{3}{2}$

Now we are given that Number of bags needed $B=x(2x+7)+3(2x+7)+(x+4)$

Substitute the value of x

$B=(\frac{-3}{2})(2(\frac{-3}{2})+7)+3(2(\frac{-3}{2})+7)+((\frac{-3}{2})+4)$

$B=8.5$

Hence 8.5 bags are needed.

3 0

4 years ago

A box contains a collection of triangular and square tiles. There are 2525 tiles in the box, containing 8484 edges total. How ma

AnnyKZ [126]

Let us consider the number of edges = x
we know that a triangle will have 3 edges and a square will have 4 edges. Using this details we can form an equation.
3x + 4x = 8484
7x = 8484
x = 8484/7
= 1212
Then
Number of square tiles = 1212/4
= 303
So there are 303 square tiles in the box. I hope the procedure is clear enough for your understanding. You can always use this method for solving similar problems.

5 0

3 years ago

HELP PLSSS ASAP!!!!!!!!

neonofarm [45]

Answer:

x = 5.5

Step-by-step explanation:

PM = MR

4x - 12 = -2x + 21 {add 2x to both the sides}

4x - 12 + 2x = -2x + 2x + 21

6x - 12 = 21 {Add 12 to both sides}

6x - 12 + 12 = 21 + 12