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GalinKa [24]
3 years ago
9

X^2 + 8x +19=0. Find a equivalent equation Solve by completing the square

Mathematics
1 answer:
Vaselesa [24]3 years ago
6 0

Answer:

theres no real answers

Step-by-step explanation:

...........

...........

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Students in grades 7 and 8 were asked which food they liked the best. The results are shown in the table. What percentage of all
Nostrana [21]

Answer:

Where's the table?

Step-by-step explanation:

4 0
3 years ago
The amount that two groups of students spent on snacks in one day is shown in the dot plots below. Which statements about the me
RUDIKE [14]

Answer:

  • The mean for Group A is less than the mean for Group B.
  • The median for Group A is less than the median for Group B.
  • The mode for Group A is less than the mode for Group B.

Step-by-step explanation:

First, we can find the measures of center for each group.

<u>Group A</u>

Mode: 1

Median: (1 + 2) / 2 = 3 / 2 = 1.5

Mean: (1 * 5 + 2 * 4 + 3) / 10 = (5 + 8 + 3) / 10 = 16 / 10 = 1.6

<u>Group B</u>

Mode: 3

Median: 92 + 3) / 2 = 5 / 2 = 2.5

Mean: (1 * 3 + 2 * 2 + 3 * 4 + 5) / 10 = (3 + 4 + 12 + 5) / 10 = 24 / 10 = 2.4

From here, we can see that...

  • The mean for Group A is less than the mean for Group B.
  • The median for Group A is less than the median for Group B.
  • The mode for Group A is less than the mode for Group B.

Hope this helps!

8 0
3 years ago
A number is equal to twice a smaller number plus 3. Yhe same number is equal to twice the sum of smaller number and 1. How many
allsm [11]

Answer:

There is no solution to the problem

Step-by-step explanation:

In order to find the solutions to the problem you can write the situation in an algebraic form.

You have that a number is equal to twice a smaller number plus 3. This can be written as follow:

x=2y+3      (1)

where x is the number and y is the smaller number

Furthermore, the same number x is equal to twice the sum of the smaller number and 1, which can be written as follow:

x=2(y+1)     (2)

To find the solution you equal the equation (1) with (2), and you solve for y:

2y+3=2y+1

3=1

You obtain an inconsistency, hence, the situation of the problem does not have solution

5 0
3 years ago
For what value of g does the function f(g)=g2+3g equal 18
faust18 [17]
47 is the value of g
5 0
3 years ago
Read 2 more answers
When solving equations with square roots it is important to do which of the following?
Mamont248 [21]

Answer:make sure the value of x is positive

-check the solution to ensure it is a rational number

Step-by-step explanation:                            .

6 0
3 years ago
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