Step-by-step explanation:
from what I understand this should be the answer:
<u>x</u>. <u>y</u>
<u>12</u><u>. </u><u> </u><u> </u><u> </u><u> </u><u> </u><u>7</u><u>. </u><u> </u><u>Because</u><u> </u><u>y</u><u>=</u><u>x-5</u><u> </u><u>and</u><u> </u><u>7</u><u>=</u><u>12-5</u>
<u>30</u><u>. </u><u> </u><u> </u><u> </u><u>25</u><u> </u><u>Because</u><u> </u><u>25</u><u>=</u><u>30-5</u>
<u>15</u><u>. </u><u> </u><u> </u><u> </u><u> </u><u> </u><u>10</u><u> </u><u>Because</u><u> </u><u>10</u><u>=</u><u>15-5</u>
Answer:
Rules & Examples of Integers multiplication.
Step-by-step explanation:
A rational number is a number that can be expressed as a fraction of integers (positive or negative numbers). Every integer is a rational number.
They are multiplied based on following rules :
- Positive (+) x Positive (+) = Positive (+) , +2 x +2 = 4
- Positive (+) x Negative (-) = Negative (-) , +2 x -2 = -4
- Negative (-) x Positive (+) = Negative (-) , -2 x +2 = -4
- Negative (-) x Negative (-) = Positive (+) , -2 x -2 = 4
Answer:
The length of the model is 6 inches.
Step-by-step explanation:
The wingspan of the airplane and length of the airplane are a ratio of 4:3
The model is also supposed to be 4:3.
4:3 x 2 = 8:6
Or, 20x12=240
240/8=30
15x12=180
180/30=6.
Answer:
D.
Step-by-step explanation:
The formula is Sum(n) = (n -2) 180.
Answer:70%
Step-by-step explanation: no. of cards last year=60
no. of cards presently=200
increase in no. of cards=200-60
=140
%change=140/200 x 100