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Lerok [7]
3 years ago
5

Solve the equation by graphing. If exact roots cannot be found, state the consecutive integers between which the roots are locat

ed x2 +6x +8= 0

Mathematics
1 answer:
Sav [38]3 years ago
4 0

Answer:

x= -4 and x=-2

Step-by-step explanation:

Using a graphing calculator (See picture attached) we find that the solution to the equation are the x-values at which the graph of the function intercepts the x-axis. It ocurrs at x= -4 and x=-2.

Given that exact roots were found, there's no need to state the consecutive integers between which the roots are located.

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Why couldn't you use synthetic division for the following problern? Make sure to explain fully.
yawa3891 [41]
Because x²+1 has an imaginary solution so you can’t find a value to put on the side for synthetic division
5 0
3 years ago
a book store contains 75,972 books, divided in three sections: science, business, and math. thr science section represents 1/3 o
Pachacha [2.7K]

Given that total number of books in the book store = 75972

Given that total number of books in science section =\frac{1}{3} rd of total books =\frac{1}{3}*75972 = 25324

Then remaining number of books = 75972 - 25324 = 50648


Given that 75% of the remaining books are in business section = 75% of 50648 = 0.75*50648 = 37986

Then number of books in the math section = 50648 - 37986 =  12662


Hence final answer is 12662 books in the math section.

4 0
4 years ago
Read 2 more answers
evelyn has $638.54 in her checking account. she must maintain a $500 balance to avoid a fee. she wrote a check for $159.50 today
Pachacha [2.7K]

The inequality is:

x + $488.04 ≥ $500

And the solution is

x ≥ $11.96

<h3>How to write and solve the inequality?</h3>

First, let's define x as the amount that she needs to deposit.

Now, we know that at the moment Evely has $638.54 in her bank account. Then she pays for $638.54, then she writes a check for $159.50, then we need to subtract that:

$638.54 - $159.50 = $488.04

Now she needs to deposit an amount x, such that her balance is at least $500, then we can write the inequality:

x + $488.04 ≥ $500

Solving that for x, we get:

x ≥ $500 - $488.04 = $11.96

She needs to deposit at least $11.96.

If you want to learn more about inequalities:

brainly.com/question/24372553

#SPJ1

4 0
2 years ago
( what’s the better deal ) please help me with this, i’ve been trying for a long time
ValentinkaMS [17]

Answer:

Brand A is the better deal!

Step-by-step explanation:

Let's start by comparing.

We know brand B has the following cost: 5 ounces = $3.75

10 ounces $7.50 and 16 ounces = $12

Now check the graph.

6 ounces cost $3

12 ounces cost $6

20 ounces cost $10

I don't think we need to look any further but brand A is the better deal!

8 0
3 years ago
If you buy a car for $349,985 and the car salesman gets 1/20 of the price of the car. How much will he get?
antiseptic1488 [7]

Answer:

$17499.25

Step-by-step explanation:

349,985*0.05=17499.25

8 0
3 years ago
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