Answer:
<h2>r ≤ 0</h2>
Step-by-step explanation:
13 - r ≥ 13 <em>subtract 13 from both sides</em>
13 - 13 - r ≥ 13 - 13
-r ≥ 0 <em>change the signs</em>
r ≤ 0
Answer:
Step-by-step explanation:
1) Δ ADE ~ Δ ABC, then
⇒ 
Answer:
1 / 4
Step-by-step explanation:
25 %
= 25 / 100
= 1 / 4
I think you need to write the answer in a paper with full solution and take a photo of it and upload the image.
Since dimes + quarters = 22
And dimes are 0.10 cents as quarters = 0.25 cents
Let’s make d = dime, q = quarter
d + q = 22
0.10d + 0.25q = 4.00
Let’s use substitution
d + q = 22, get d or q by itself
d = 22 - q (plug into second equation)
0.10(22-q) + 0.25q = 4
2.2 - 0.10q + 0.25q = 4
2.2 + 0.15q = 4
0.15q = 1.8, q = 12
Since there are 12 quarters you know there are 10 dimes (22 in total)
Solution: 10 dimes, 12 quarters
