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Pepsi [2]
3 years ago
15

Simplify the expression. 7x^2+3-5(x^2-4) edguneity

Mathematics
1 answer:
Law Incorporation [45]3 years ago
4 0

Answer:

2x^2+23.

Step-by-step explanation:

Combine like terms.

This expression simplified is 2x^2+23.

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At a used book sale, 5 books cost $15. What is the cost per book?
Arte-miy333 [17]

Answer:

$3/book

Step-by-step explanation:

cost per book means divide the price of all the books by the number of books

$15/(5 books) = $3/book

4 0
3 years ago
What is the perimeter of an equilatal triangle with side length 4.6mm?
Diano4ka-milaya [45]
Hello!

An equilateral triangle has all three sides the same length

To find the perimeter you add the sides

4.6 + 4.6 + 4.6 = 13.8

The answer is 13.8mm

Hope this helps!
4 0
3 years ago
The Opera House sells an average of 1,700 tickets per night when the price of each ticket is $25. An employee of the Opera House
Nana76 [90]
2900•$19=$55,100 revenue
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3 years ago
(X-2)^2 if necessary combine like terms
kakasveta [241]

Answer:

x^{2} - 4x + 4

Step-by-step explanation:

(x-2) × (x-2)

(x × x) + (x × -2) + (-2 × x) + (-2 × -2)

(x^{2}) + (-2x) + (-2x) + (4)

x^{2}- 2x - 2x + 4

x^{2} - 4x + 4

4 0
3 years ago
The nth term of a sequence is 2n-1.
damaskus [11]

Answer: 25, 31 and 37

Step-by-step explanation:

(2n-1)= 19, 21, 23, 25, 27, 29, 31, 33, 35, 37

(3n+1)= 19, 22, 25, 28, 31, 34, 37,

5 0
3 years ago
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