The perimeter of the triangle is 120
explanation:
the formula of a perimeter is LxW ( length times width )
15x8= 120
First option:
y=money saved
x=number of months
y=30x+500
Second option:
y=50x+200
We have this system of equations:
y=30x+500
y=50x+200
We can solve this system of equations by equalization method
30x+500=50x+200
30x-50x=200-500
-20x=-300
x=-300/-20
x=15
so;
y=30x+500
y=30(15)+500
y=450+500
y=950
Answer; after 15 months, she would save the same amount using either option, the amount saved in either option will be $950.
Answer:
The next score he needs to have an overall average of 79 is 89.
Step-by-step explanation:
Gary earned an average score of 77 on his 5 quizzes . The number of score he needs to have an average of 79 can be calculated below.
average score = 77
number of quizzes = 5
sum of Garry score = a
a/5 = 77
cross multiply
a = 77 × 5
a = 385
let
the next score he needs be b to score an average of 79
average = 79
number of quizzes = 6
385 + b/6 = 79
cross multiply
385 + b = 474
b = 474 - 385
b = 89
The next score he needs to have an overall average of 79 is 89.
Answer:
the degree of ABC is 60°.
Hello!
Convert the percentages to decimals by dividing them by 100, and then multiply them by the amount of boys and girls.
53 ÷ 100 = 0.53 as a decimal
0.53 × 300 girls = 159
This means that 159 of the 300 girls play sports.
Repeat this to calculate how many boys play sports.
39 ÷ 100 = 0.39
0.39 × 500 = 195
This means that 195 out of the 500 boys play sports.
Final Answer:
More boys play sports than girls.
