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Morgarella [4.7K]
3 years ago
6

Estimate the product of 3.9 and 4.6 using mental math. Explain the method you used

Mathematics
1 answer:
tiny-mole [99]3 years ago
3 0
The etimated answer would be 20. The method that I used is I rounded 3.9 to 4 and 4.6 to 5 and then I mutiplied. Hope I helped
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PLEASE HELPPP!!!!!!!
Rudik [331]
The answer is 11 because if you look at the chart. You can see everything can be divided by 8 and 88 divided by 8 is 11.
3 0
3 years ago
What is 100kg decrease by 12.5%
erma4kov [3.2K]

Answer:

87.5

Step-by-step explanation:

100 - (12.5% × 100)

100 - 12.5% × 100

(1 - 12.5%) × 100

(100% - 12.5%) × 100

87.5% × 100

87.5 ÷ 100 × 100

87.5 × 100 ÷ 100

8,750 ÷ 100 = 87.5

3 0
3 years ago
Read 2 more answers
G=h(t) + p(c) is an equation that represents the gross pay of a server: Gross pay = hourly wage (time worked) + percent tip (cos
rusak2 [61]

Answer:

$105.5  for 16 hours at $6.59 per hour

Step-by-step explanation:

form the equation given, G=h(t) + p(c)

where G=Gross pay,

            h= hourly wage

            t=time worked

             p=percent tip

             c=cost of customer meals

we determine the gross pay by first determining the independent variables

h=$4.25, t=16 hours,

p=15%of c\\p=\frac{15}{100}*250 \\p=37.5

if we substitute values, we arrive at

G=h(t)+p(c)\\G=4.25(16)+37.5\G=68+37.5\\G=105.5

to determine the per hour gross pay we have

105.5/16

hourly gross pay,G=$6.59

3 0
3 years ago
A pet store has 5 tanks of fish. Each tank has the same number of fish. The store has 50 fish total. How many fish are in each t
Romashka-Z-Leto [24]

answer : 10 fish in each tank because 10 time 5 equals 50 and there 5 tanks sotaht mean 50 divided by 5 it will be 10 fish

8 0
3 years ago
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A crowbar of 2m is used to lift an object of 800N. If the effort is 160m, calculate the effort applied.
Paul [167]

Answer:

It's of science not of mathematics

7 0
3 years ago
Read 2 more answers
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