Answer:
-7g + 56
Step-by-step explanation:
-7 (g - 8)
-7 × g + -7 × 8
-7g + 56
In one month, there are on average 30 days.
So if he talks 135 minutes per month, he talks on average 135/30 minutes per day
135/30 = 4.5
So on average he talks to his grandfather for 4 minutes and 30 seconds a day.
The number of quarters she have 11.
<h3>What is a system of equations?</h3>
A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.
Let consider y = quarters; x = dimes
We know that there are 3 times as many dimes as quarters. So we can state that x = 3y.
Then, we say that 25y + 10x = 605
(Value of coin * amount of coins)
Then we substitute x=3y into the equation, yielding:
25y + 10(3y) = 605
25y + 30y = 605
55y = 605
605/55 = 11 = y
Therefore, the number of quarters she have 11.
Learn more about equations here;
brainly.com/question/10413253
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Answer:
C and E
Step-by-step explanation:
Examples of binomials (two terms) :
9a - 5
3x + 6y
-4t + 2
Examples of monomials (one term) :
6x
10z
4a
Examples of trinomials (three terms) :
7y - 3x + 4
8x + 7 - 2a
4x + 9y + 5
(There can also be exponents and fractions in any kind: binomial, monomial, or trinomial.)
