3 years ago

Plz help me ...

Mathematics

1 answer:

Novay_Z [31]3 years ago

8 0

10kg=390 Rs
100kg=4 000 Rs
390x10= 3900 rs
4000-3900=100 Rs
lỗ 100rs

You might be interested in

Find the average rate of change from interval x=-1 to x=2

VLD [36.1K]

Answer:

1 over 1 is your answer

Step-by-step explanation:

because your graph tells u the answer everytime if u look it goes up 1 and over 1 each time

4 0

3 years ago

What type of angle is show

mart [117]

The answer is acute angle

4 0

3 years ago

Read 2 more answers

Please help! worth 20<br> points!

Korolek [52]

I think it is choice C

8 0

3 years ago

What is -640 divided by -212 as a fraction simplified ?

raketka [301]

-649 divided by -212 as a simplified fraction would be 160/53

5 0

3 years ago

1. What is the solution of n² – 49 = 0? (1 point)

maks197457 [2]

Answer:

1. $n=\pm7$

2. $x=\pm7i[tex]3.[tex]\pm 12x =a$

4. 22

Step-by-step explanation:

1. $n^2 - 49 = 0$

$n^2 =49$

$n= \sqrt{49}$

$n=\pm7$

2. $x^2+64 = 0$

$x^2 =-64$

$x= \sqrt{49}$

$x=\pm7i[tex]3. Area of square = [tex]a^{2}$

Where a is the side

We are given an area o square = $144x^{2}$

So, $144x^{2}=a^{2}$

$\sqrt{144x^{2}}=a$

$\pm 12x =a$

4. We are given that the solution of quadratic equation -9 and 9

So, equation becomes:

$(x+9)(x-9)=0$

$x^2- 81=0$

So, in the given equation $x^2 + z = 103$

z should be the number from which if we subtract 103 so we get 81

Substitute z = 22

$x^2 + 22 = 103$

$x^2 + 22 -103=0$

$x^2 -81=0$

Thus the value of z is 22

8 0

3 years ago

Read 2 more answers