Answer:
3/10
Step-by-step explanation:
=4/7 + 9/70 - 4/10
=l.C.M of 7 , 70 and 10 =70
=4/7 .10/10 +9/70 -4/10 .7/7
=40/70 +9/70 -28/70
=40+9-28/70
=49-28/70
=21/70
=3/10
Answer:
7cm
Step-by-step explanation:
One side of a square is increased by 8 cm, let us say the length got increased by 8 cm. So we have length of x + 8 cm
An adjacent side, the width, decreased by 2 cm. So we have width of x - 2cm
Perimeter of rectangle = 2(length + width)
40 = 2( (x + 8) + ( x - 2) )
40 = 2( 2x + 6)
40 = 4x + 12
28 = 4x
x = 7 cm
That is 7 cm of the length of the side of the square
Answer:
Option A
Step-by-step explanation:
22+(-32) is the same thing as 22-32.

<h3>Let's see if the given options are equal:</h3>
Option A:

Option A's expression has the same value as the expression given.
Option B:
22+(22)+(-10)

Option B's expression does not have the same value as the expression given.
Option C:

Option C's expression does not have the same value as the expression given.
Option D:

Option D's expression does not have the same value as the expression given.
<h3>The correct answer should be A: 22+(-22)+(-10).</h3>
<span>Hello there.
What is the equation for x+1, x+2, x+3
</span><span>4x</span>+<span>3</span>
Answer:
80 questions.
Step-by-step explanation:
If 20% = 16 Q,
then 100 ÷ 20 = 5
Therefore, 5 x 16 = 80 questions on the test.