3 years ago

Answer Fast.............

Mathematics

1 answer:

Aleks04 [339]3 years ago

4 0

1and 1/10 is correct

brainliest or nah lol

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QUESTION 25 The area of the triangle shown is 54cm. The ratio of side to side is 3:4 What is the length of side in centimetres?

AlexFokin [52]

Answer:

Step-by-step explanation:

Diagram would be helpful.... I am assuming this is a right triangle with legs ratio 3:4

5 0

2 years ago

One of the roots of the quadratic equation 4mnx^2 – 6m^2x – 6n^2x + 9mn = 0 (m, n ≠ 0) is a)-3m/2n b)3m/2n c)2m/3n d)-2m/3n

maxonik [38]

Answer:

$B.\ \frac{3m}{2n}$

Step-by-step explanation:

Given

$4mnx^2 - 6m^2x - 6n^2x + 9mn = 0\ (m, n \neq 0)$

Required

Calculate one of the root of the equation

$4mnx^2 - 6m^2x - 6n^2x + 9mn = 0$

Factorize

$2mx(2nx - 3m) -3n(2nx - 3m) = 0$

$(2mx - 3n)(2nx - 3m) = 0$

Split equation

$2mx - 3n = 0\ or\ 2nx - 3m = 0$

Make x the subject of formula in both expressions

$2mx = 3n\ or\ 2nx = 3m$

$x = \frac{3n}{2m}\ or\ x = \frac{3m}{2n}$

<em>From the list of given options, one of the roots of the equation is</em> $\frac{3m}{2n}$

4 0

3 years ago

If it takes 6 printing presses 4 hours to print 5000 newspapers, how long should it take 3 presses to print 3000 newspapers?

vladimir1956 [14]

Answer:

4 hrs 48 min

Step-by-step explanation:

It takes 6 presses 4 * 3/5 = 12/5 hours to print 3000 newspapers.

It takes 3 presses 2 * 12/5 = 24/5 hours = 4h48min to print 3000 newpapers

7 0

2 years ago

Uncle percy only has 10% of teashirts he started with if he has 25 now how many did he start with

nataly862011 [7]

Answer:

250

Step-by-step explanation:

Since you are looking for the amount of shirts he had you will need to divide 25 by .10 or just multiply by 10.

6 0

3 years ago

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Which is a perfect square? 20,21, 24,25

Vesnalui [34]

Answer:

20 is not a perfect square.

21 is not a perfect square.

24 is not a perfect square.

25 is a perfect square.

6 0

2 years ago

Read 2 more answers