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nydimaria [60]
3 years ago
14

X2 + 6X + 9 = 0 O {0} O {-3,3) O {3} O {-3}

Mathematics
1 answer:
expeople1 [14]3 years ago
5 0

Answer:

x=-3

Step-by-step explanation:

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Translate the problem into a mathematical sentence, using c as your variable
zalisa [80]

c=8

Step-by-step explanation:

13-5=c, c=8

6 0
3 years ago
In a wildlife preserve, 45 ducks are captured, tagged, and released. Later, 200 ducks are examined, and two of them are tagged.
ser-zykov [4K]

<u>Answer:</u>

There are 243 ducks in the preserve.

<u>Explanation:</u>

Given:

In a wildlife preserve, 45 ducks are captured, tagged, and released.  

Later, 200 ducks are examined, and two of them are tagged.  

To Find:

To estimate how many ducks are in the preserve =?

Solution:

Now, we know that, out of 200 2 ducks are tagged, which means remaining 198 ducks are untagged.

Now, total ducks count = ducks with tags + ducks with out tag

Total ducks count = 45 + 198  

Total ducks count = 243

Hence, there are 243 ducks in total.

8 0
3 years ago
Find the ratio :<br>1/2 hour to 45 minutes​
goldfiish [28.3K]

Answer:

The answer is 2 : 3.

Step-by-step explanation:

First, you have to convert the units to minutes :

1 hr = 60 min

1/2 hr = 60 × 1/2 = 30 min

Then, you have to simplify the ratio to simplest form :

30 : 45

= (30÷15) : (45÷15)

= 2 : 3

3 0
3 years ago
Read 2 more answers
Can anyone please answer it
ivanzaharov [21]

Answer: The answer is 15.

Step-by-step explanation:

In the question, we are informed:

2 1/2 cups sugar for the cake and 1 1/4 cup sugar for the vanilla icing are called for in Mr. Smith's recipe.

1st step

We total the amount of sugar he'll require.

1 1/4 + 2 1/2

(1/2 + 1/4) + (2 + 1)

= 3 + (2 Plus a quarter)

a total of 3 3/4 cups of sugar

2nd Step

How many 1/4 cup sugar scoops does he require?

This can be calculated as follows:

1/4 cup sugar 3 3/4 cup sugar

= 15/4 x 1/4 = 15/4 x 1/4 = 15/4 x 1/4 =

= 15/4/4 = 15/4/4 = 15/4/4 = 15/4/4 = 15/4

15 

As a result, he'll require 15, 1/4 cup sugar scoops.

4 0
2 years ago
The table shows the number of high school employees by gender and position. What percent of the
Viktor [21]

Answer:76%

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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