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Marta_Voda [28]
3 years ago
7

I need help if you look at the answers, b and c are the same. What do I pick?

Mathematics
1 answer:
Temka [501]3 years ago
5 0

Answer:

We have to choose any one from option B and option C

Step-by-step explanation:

We have to perform a subtraction of two decimal numbers.

(9.43 - 4.286) = (9.430 - 4.286) = 5.144.

Hence, the answer is 5.144 which is given both options B and C.  

In case there are two options with the same value and the value is the answer, then you choose any one of them but not both.

Here in our case, we have to choose any one from option B and option C and we will be rewarded full marks. (Answer)

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Complete the square to rewrite the equation in the form (x−h)2=p.
Aloiza [94]

Answer:

The answer to your question is  the last option  (x + 6)² = 13

Step-by-step explanation:

Data

                             x² + 12x + 23 = 0

Process

1.- Subtract 23 in both sides

                           x² + 12x + 23 - 23 = -23

2.- Simplify

                          x² + 12x + (     )   = - 23

3.- Complete the perfect square trinomial

                         x² + 12x + (6)² = -23 + (6)²

4.- Factor

                         (x + 6)² = -23 + (6)²

5.- Simplify

                         (x + 6)² = -23 + 36

6.- Result

                        (x + 6)² = 13                              

7 0
3 years ago
(Hypothetical.) Suppose five measurements of the volume of a liquid yield the following data (in milliliters).
ElenaW [278]

Answer:

(48.106 ; 53.494)

Step-by-step explanation:

Given the data:

X : 52 48 49 52 53

Sample mean = ΣX / n

n = 5

Sample mean, xbar = 254 / 5 = 50.8

Standard deviation, s = 2.17 (using calculator)

The standard error (SE) : s/√n =2.17/√5 = 0.970

The degree of freedom, df = n-1

df = 5 - 1 = 4

Tscore(0.05, 4) = 2.776

Confidence interval :

Xbar ± Tscore*standard error

50.8 ± (2.776 * 0.970)

50.8 ± 2.694

Lower boundary = 50.8 - 2.694 = 48.106

Upper boundary = 50.8 + 2.694 = 53.494

(48.106 ; 53.494)

7 0
3 years ago
G is located at (0, 4)What are the coordinates of G' after G undergoes the translation (x,y)-> (x-5,y+2)?
oksian1 [2.3K]

Applying the translation rule:

G(0, 4) → (0-5, 4+2) → G'(-5, 6)

7 0
1 year ago
A carton has a length of feet, width of feet, and height of feet. What is the volume of the carton?
noname [10]

Answer:

L times W times H

Step-by-step explanation:

just multiply the length times the width times the height

6 0
2 years ago
Explain how to write the equations of vertical lines, and why they are written this way
Rom4ik [11]

1. Recall the vertical line equation.

2. Plug in the x that we know.

3. Write down the final equation

Pls mark me brainiest :)

3 0
3 years ago
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