hi <3
lets call the unknown number 'x' for now and form an equation from what we know
1/3(x-9) = 15
now multiply both sides by 3
x - 9 = 45
add 9 to both sides
x = 54
hope this helps :)
Well the only thing that would make these triangles not congruent is dilation, Thus, translation, reflection, and rotations all make the triangles congruent.
The bottom one and third one are not congruent while everything else is.
<span />
I=20 amps.
By the way, did you know that this is Ohm's Law?
Answer:
n ≥ 3.74
Min #of friends = 4
Step-by-step explanation:
There are some info missing. Let me say those:
Given
Cost of Headphones = $345
Grandma and Uncle will give = $45
Now let x be the donation of each friend, so x = 20, and
let y be the correct answer friends, y = 0.25
Now, let n represent the number of friends who's gonna give Benjamin $0.25.
Also, we know his Total Income must be greater than or equal to the cost for him to buy the headphone. Thus we can say:
Total Income ≥ Cost
Cost = 345
TOtal Income = 45 (from relatives) + 4n(20) (4n donation friends each giving 20) + 0.25n (n people giving 0.25 each).
Thus, we have:
Total Income ≥ Cost
45 + 80n + 0.25n ≥ 345
80.25n ≥ 300
n ≥ 3.74
Therefore, the minimum number of friends who must pay Benjamin $0.25 for each correct answer in order for him to meet his goal is 4.
The price of each ticket is $12.50
Algebra is the branch of mathematics that aids in the representation of problems or situations using mathematical expressions.
Given that
Number of tickets Price
3 tickets $ 37.50
4 tickets $ 50.00
Now we have to find the price of each ticket
3 tickets = 37.50
= 37.50 /3
= 12.50
So one ticket equals to $ 12.50
Now 4 tickets = 50.00
= 50.00/4
= 12.50
So one ticket equals to $ 12.50
Therefore the price of each ticket is $12.50
To learn more about algebra visit
brainly.com/question/13106618
#SPJ9
