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Scrat [10]
3 years ago
13

If you need to divide 2/3 by 4/5 , why is it easier to use an equation than to use a model?

Mathematics
2 answers:
Marizza181 [45]3 years ago
6 0

Answer:

because you have to use the reciprocal of the second fraction you are dividing

Step-by-step explanation:

Olenka [21]3 years ago
4 0

Answer:

Its is quicker

Step-by-step explanation:

If you were to use a model you would have write the common denominator out instead of multiplying it. Then you would have to write the new numerator for each fraction to then write it down and divide it into other pieces of the model. the equation is much faster and overall easier to save time on a quiz or test

Hope this helps :)

Pls mark brainliest because I really need it

- mastmaster34

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A carton of milk has 4 cups left. If each serving of milk is 1/2 of cup, how many servings are left
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lol

Step-by-step explanation:

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7 0
3 years ago
Read 2 more answers
40% of 125 is what number?
Hatshy [7]
The answer is 32


Solution for 40 is what percent of 125:

40:125*100 =

( 40*100):125 =

4000:125 = 32

Now we have: 40 is what percent of 125 = 32

Question: 40 is what percent of 125?

Percentage solution with steps:

Step 1: We make the assumption that 125 is 100% since it is our output value.

Step 2: We next represent the value we seek with $x$x​.

Step 3: From step 1, it follows that $100\%=125$100%=125​.

Step 4: In the same vein, $x\%=40$x%=40​.

Step 5: This gives us a pair of simple equations:

$100\%=125(1)$100%=125(1)​.

$x\%=40(2)$x%=40(2)​.

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS
(left hand side) of both equations have the same unit (%); we have

$\frac{100\%}{x\%}=\frac{125}{40}$
100%
x%​=
125
40​​

Step 7: Taking the inverse (or reciprocal) of both sides yields

$\frac{x\%}{100\%}=\frac{40}{125}$
x%
100%​=
40
125​​

$\Rightarrow x=32\%$⇒x=32%​

Therefore, $40$40​ is $32\%$32%​ of $125$125​.
7 0
3 years ago
Read 2 more answers
Solve for c<br> -40= -5c — 25
Vikki [24]

Answer:

c = 3

Step-by-step explanation:

Let's solve the problem,

→ -40 = -5c - 25

→ -5c = -40 + 25

→ -5c = -15

→ c = -15/-5

→ [ c = 3 ]

Hence, the value of c is 3.

8 0
1 year ago
What is the GCF? 3x2-2x
Elena L [17]

Answer:

1

Step-by-step explanation:

Everything can be multiplied by 1 in this situation so 1 is the greatest common factor

7 0
2 years ago
What is the slope of "The line through(5,7) and (5,-8)"?
Butoxors [25]
The slope is -15/0 so the slope is zero
3 0
2 years ago
Read 2 more answers
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