Answer:
C. 50
Step-by-step explanation:
The triangles are proportional and that is why you can find the scale factor. Set up a proportion (equivalent fractions). Set the proportion up with the corresponding sides together on thee top or the bottom of the proportion.
<u>65 </u> = <u> 91</u>
x 70
91x = 65 * 70
<u>91x</u> = <u>4550</u>
91 91
x = 50
Answer:
Number 1: a = 5
Step-by-step explanation:
Here cross multiplication is applicable, as such:
10 * 3 = 6 * a
30 = 6a
a = 5
Answer:
Step-by-step explanation:
to make 3255 a perfect square subtract 6 from 3255
3255 - 6 = 3249
3249 is a perfect square
2x+4=3x+2
2x=3x-2
-1x=-2
X=2
Hope this helps!