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KIM [24]
3 years ago
12

Sand and gravel are mixed in the ratio 5:3

Mathematics
1 answer:
IrinaK [193]3 years ago
5 0

Answer:

a) 450 gravel   b)1250 sand

Step-by-step explanation:

:)

                           

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Cost price = 40
Helen [10]

Answer:

c=40

s=52

s<c

40 -52

8(eight)

8 0
3 years ago
Read 2 more answers
8% of 44 show work please and an answer ciz i domt understand
nalin [4]
Hey there! 

These are the steps involved in answering the question:

Change 8% into a decimal. To do this, just move the decimal place, 2 places to the left.
You get 0.8

Now, multiply 0.8 by 44. 
0.8 x 44 = 35.2

So, the final answer is: 35.2.

<span>(If you feel that my answer has helped you, please consider rating it and giving it a thank you! Also, feel free to choose the best answer, the brainliest answer!)
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<span>Thank you for being part of the brainly community! :D</span>
7 0
4 years ago
If N=10 then what is 2n+4
SOVA2 [1]
If n is ten then the expression would change to 
2(10)+4
20+4
so your answer would be 24
3 0
3 years ago
Read 2 more answers
Write an equation of the line in slope-intercept form. JY 1 (3, 3) (0, 2) 2 4<br>y=​
stellarik [79]

Correct answer: y = \frac{1}{3}x + 2

To find out the slope, you would need to remember this slope formula: \frac{y_{2}-y_{1}}{x_{2}-x_{1}}. We can use the two points provided on the graph to figure out the slope. We can label (3, 3) as x_{1} and y_{1}, and (0, 2) as x_{2} and y_{2}. Now we can plug these numbers into the slope formula to find out the slope:

m = \frac{y_{2}-y_{1}}{x_{2}-x_{1}} → \frac{2-3}{0-3} → \frac{-1}{-3} → \frac{1}{3}

To find out the y-intercept, just substitute (3, 3) into the slope-intercept<em> </em>formula ( <em>y = mx + b</em> ) with the slope that is substituted for '<em>m</em>' that we already solved earlier.

y = mx + b

(3) = \frac{1}{3}(3) + b

3 = 1 + b

2 = b

You can also prove this true by looking at the graph provided. The line intersects at the y-axis at 2.

Now we know that m = \frac{1}{3} and b = 2, we can substitute it into the slope-intercept formula. Thus, the answer is y = \frac{1}{3}x + 2.

Hope this helps you! Let me know if you have any more questions related to this problem.

3 0
3 years ago
The sum of the digits of a two-digit number is 6. when the digits are reversed, the number decreased by 18. find the original nu
poizon [28]
<span>2x + x = 12
=> x =12/3 =4
so, original number is 84.</span>
3 0
3 years ago
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