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frez [133]
3 years ago
14

Answer quick for brainliest!

Mathematics
1 answer:
Gnom [1K]3 years ago
8 0

A

Step-by-step explanation:

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you have driven the first 150 miles of a 2000 mile trip. ��what percentage of the trip have you traveled?
miskamm [114]
150/2000 cause 2000 would be your bottom number and 150 is your is your top number
8 0
3 years ago
Solve by completing a square r^2-8r+9
Tanzania [10]

Solving  r^2-8r+9 by completing a square gives (r+4)^2-7

Step-by-step explanation:

We need to solve the equation r^2-8r+9 by completing a square

The completing a square method requires: a^2\pm 2ab +b^2=(a\pm b)^2

Solving:

r^2-8r+9\\=(r)^2-2(r)(?)+(?)^2+9

We need to add and subtract (4)^2=16 to make the equation a complete square

=(r)^2-2(r)(4)+(4)^2-(4)^2+9\\=(r)^2-2(r)(4)+(4)^2-16+9\\=(r)^2-2(r)(4)+(4)^2-7\\=(r+4)^2-7

So, Solving  r^2-8r+9 by completing a square gives (r+4)^2-7

Keywords: Solve by completing a square

Learn more about Solve by completing a square at:

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7 0
3 years ago
9) Mrs. Jones spends $12.35 per day on her
Studentka2010 [4]

Answer:

Step-by-step explanation:

Since she buys lunch for 15 days you do 12.35 times 15 which is $185.25

5 0
3 years ago
Read 2 more answers
What is the least common denominator of the equation 2/9x + 2/3x =7?
Igoryamba

Answer:

B) 9

Step-by-step explanation:

I mean 3 can't be a common denominator because 2/9 cannot be simplified. 27 and 63 are also common denominators but they higher than 9.

Hope This helps :)

8 0
3 years ago
determine whether the equation below has one solution, no solutions, or an infinite number of solutions. Afterwards determine tw
Levart [38]

The equation will have only one solution. The value of x is -5.

<h3>What is an equation?</h3>

An equation is said to be linear if the maximum power of the variable is consistently 1. Another name for it is a one-degree equation.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

The given equation x + 10 = 5  will be solved as below:-

x + 10 = 5

Take 10 to the right of the equation.

x = 5 - 10

x = -5

The equation is giving the value of x equal to -5. Then the equation will have only one solution.

Therefore, the equation will have only one solution. The value of x is -5.

To know more about equations follow

brainly.com/question/2972832

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8 0
2 years ago
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