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3 years ago

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The base of an isosceles triangle is represented by the expression 3x - 1. Each of the legs of the isosceles triangle is twice t

he base. Write an expression for the perimeter of the triangle listing each side. Simplify the expression. (if possible show your work.)

1 answer:

Dima020 [189]3 years ago

7 0

Answer: 15x-5

Step-by-step explanation:

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There were 75 people at a concert. Twenty five percent of them were younger than 13. How many people were thirteen or younger.

sasho [114]

Answer:

18

Step-by-step explanation:

$0.25*75 = 18\\$ (must round down for population)

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2 years ago

WILL MARK BRAINLIEST In this geometric sequence, what is the common ratio? 104, -52, 26, -13, ...

Lilit [14]

Answer:

r = - $\frac{1}{2}$

Step-by-step explanation:

The common ratio r of a geometric sequence is

r = $\frac{a_{2} }{a_{1} }$ = $\frac{a_{3} }{a_{2} }$ = .....

Hence

r = $\frac{-52}{104}$ = $\frac{26}{-52}$ = - $\frac{1}{2}$

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3 years ago

Sabrina read a total of 175 pages in 3 days. On the first day she read 45 pages. On the second and third days, she read the same

Artemon [7]

Answer: Sabrina read 65 pages on the second and third days

Step-by-step explanation:

45 + 2x = 175

45 - 45 + 2x = 175 -45

2x = 130

2x/2 = 130/2

x = 65

CHECK: 45 + 65 +65 = 175

7 0

3 years ago

Read 2 more answers

The product of 2 and a number increased by 7 is -36

Sholpan [36]

"The product" means you're multiplying the two numbers.
"a number" refers to a variable.
"increased" means you're adding.

2x + 7 = -36

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3 years ago

Someone please explain how this make sense

Andru [333]

Answer:

6x + 12y = 816

Step-by-step explanation:

6 dollars per regular admission

12 dollars per both dance and volleyball

in total 816 dollars

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2 years ago