Answer:
x = 8
y = 6
Step-by-step explanation:
First and foremost, it's an equilateral triangle, therefore all sides and angles are equal.
Knowing that the sum of angle in a triangle is 180°, therefore each angle is 60°.
Then equating (7x+4)° to 60, we have that,
7x+4=60
7x=60-4
7x=56
x=56÷7
x=8.
Answer:
the tip is $10.5 = $72.15= $70*.15+ $10.5
Step-by-step explanation:
Answer:
73.25%
Step-by-step explanation:
To solve this, you need to write it as a proportion. The proportion for this problem would be 14.65/20 = x/100. You cross multiply and get 20x=1465. Then you divide both sides by 20 which would mean x=73.25 which is your answer as a percent.
Answer:
58-40
Step-by-step explanation:
To find the answer, an easy method to addition is subtraction.
Doing 58 - 40 gives you 18. 40+18 is 58.
Answer:
B
Step-by-step explanation:
5 x 2 = diameter
10 x 3.14 (pie)
= 31.4 = D
