Answer:
C. 5
Step-by-step explanation:
Triangle BED is enlarged by scale factor 4.
(25-x)/4 = x
Multiply both sides by 4.
25-x = 4x
Add x on both sides.
25 = 5x
Divide both sides by 5.
5 = x
Answer: They will charge same amount for 360 minutes of calls.
Step-by-step explanation:
A phone company offers two monthly plans plan A cost $9 Plus And additional 0.12 $ for each minute of calls. Plan B cost $27 plus an additional $0.07 for each minute of calls
For what amount of calling do the two plans cost the same?
Let the each minute of calls be 'x'.
So, for plan A would be
plan A cost $9 Plus And additional 0.12 $ for each minute of calls is expressed as

Plan B cost $27 plus an additional $0.07 for each minute of calls is expressed as

According to question, it becomes,

Hence, they will charge same amount for 360 minutes of calls.
Graph four shows the increase
Answer:
y = 4x – 10
Step-by-step explanation:
slope formula: 
point-slope formula: 
- Use slope formula and plug in your numbers:

- Solve for slope

- Use the point-slope formula to solve for the equation:

- Solve and find equation:

Note: When given two points you only need to pick one for the point-slope formula! Best to choose the positive one so you don't have to deal with the negatives!
Hope this helps! Please give Brainliest!
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