A.
3 × (20 – 15)
B.
20 × (15 + 3)
C.
3 × (20 + 15)
D.
20 × (15 – 3)
Answer:
C. 3 × (20 + 15)
Step-by-step explanation:
If Ben practices this way every day, then the amount of time should be the same.
20 minutes of song practice, 15 minutes of scale practice.
20+15=35
multiply the 35 minutes per day by three
35 times 3 equals 105
So the answer is C.
3 × (20 + 15)
3(35)=105
Answer:
C. 3 x (20 + 15)
Step-by-step explanation:
You have to add 20 + 15 to get 45 so the 20 + 15 goes in the (). It says how much time he has practiced in 3 days so you have to multiply the things in the () by 3 so the 3 goes out side the ().
Answer:
The variables represented in an addition or subtraction equation expression is the letter associated with a number, it acts as a place holder for that unknown value that is multiplyed by the coefficient or number infront of the letter.
The hourly wage of Cara after 3 years is given as $10.12.
An exponential function can be defined as y = aˣ. The value of the function at x = 0 is always 1.
Given that,
The wage of Cara per hour is $9.
The raise percent is 4%.
The given problem is the case of exponential growth.
The hourly wage after 3 years can be written in the form of expression as,
9(1 + 4/100)³
= 9 × (1.04)³
= 10.12
Hence, the hourly wage of Cara after 3 years is $10.12.
To know more about exponential function click on,
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Answer:225
Step-by-step explanation:
9*0.04= 225
Answer: Olga's solution is incorrect
x + 7x is the same as 1x + 7x
7x2 is the same as 7x. x
x + 7 x simplifies to 8x
Step-by-step explanation:
Answer:
Olga's solution is incorrect. x + 7x is the same as 1x+7x. 7x2 is the same as7x × x . x + 7x simplifies to 8x.
Step-by-step explanation:
Answer:
○ A.If two angles form a pair of vertical angles, then they are congruent.
Step-by-step explanation:
Not all vertical angles are congruent. There are many unique models where you will have a transversal, and there will be some angles where some are shorter than others, etcetera.
I hope this is correct, and as always, I am joyous to assist anyone at any time.