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Dmitry [639]
3 years ago
14

What is 2(7/10)*1/3+4/15=

Mathematics
1 answer:
NeTakaya3 years ago
4 0
2(7÷10)×1÷3+4÷15=1.4×0.33+0.267
                                  =0.462+0.267
                                  =0.729(0.73)
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Estimate the area of a polygon
katrin [286]
What is the thing to estimate?
4 0
3 years ago
What fraction is equivalent to 123.5℅
iVinArrow [24]
123.5%
= 123.5/100
= 1235/1000
= (1235/5) / (1000/5)
= 247/200
= 1 47/200

The final answer is 247/200 or 1 47/200~
5 0
3 years ago
Two bowls and one cup weigh 800 grams. One bowl and two cups weigh 700 grams. Find the weight of the bowl and the cup
antoniya [11.8K]

Answer:

\large \boxed{\textbf{Bowl = 300 g; cup = 200 g}}  

Step-by-step explanation:

 Let b  = the mass of a bowl  

and c = the mass of a cup  

We have two conditions:  

\begin{array}{lrcl}(1) &2b + c  & = & 800\\(2) & b + 2c & = & 700\\\end{array}

Calculations:  

\begin{array}{lrcll}(3) & 4b + 2c &=  & 1600&\text{ Multiplied (1) by 2}\\& 3b & = & 900&\text{Subtracted (2) from (3)}\\(4) & b & = & \mathbf{300}&\text{Divided each side by 3}\\ & 600 + c & = & 800&\text{Substituted (4) into (2}\\ & c & = & \mathbf{200}\\\end{array}\\\text{The mass of a bowl  is $\large \boxed{\textbf{300 g}}$ and that of a cup is $\large \boxed{\textbf{200 g}}$}

Check:

\begin{array}{rlcrl}2(300) + 200& =800 & & 300 + 2(200) & = 700\\600 + 200 & = 800& & 300 + 400 & = 700\\800 & = 800& & 700 & = 700\\\end{array}

OK.

6 0
3 years ago
The equation y = 11x describes the amount of money Louis earns, where x is the number of hours he works and y is the amount of m
satela [25.4K]

Answer:


Step-by-step explanation:

(a) Carl earns $42 per 3 hours as given. To find the amount he earns per hourdivide:


$42/3 hours = $14/hour


(b) To see how much Louis makes per hour, simply plug in 1 for the hours value x:


y = $11(1 hours)


y = $11/hour


Thus Carl makes more than Louis.


(c) The equation of Carl's dollars per hour is similar to Louis' = 14x 


where x is the number of hours he works and y is the number of dollars he earns. Plug in whole number values of hours for x and plot the points (x, y) on a graph




Is him in your bias?

3 0
3 years ago
Anyone please help!!!
Svet_ta [14]

Answer:

1.16777216

2.−16807 x (−13841287201)

3.11390625

4.100000000000

5.13060694016

6.274877906944 x^2

7.9 x

8.x⋅8x+6

hope this helps :)

Step-by-step explanation:

3 0
3 years ago
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