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Alexxandr [17]
3 years ago
11

Solves 1.4 divided by 0.2 using the diagram at the right. is her reasoning correct explain

Mathematics
2 answers:
Finger [1]3 years ago
4 0

Answer: 1.4/0.2= 7

Step-by-step explanation:

think of it this way

14 divided by 2 equals 7

1 and 4 tenths divided by 2 tenths equal 7

maxonik [38]3 years ago
3 0

Answer:

the answer should be 7 !

Step-by-step explanation:

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Need help with math bell ringer
balandron [24]

Answer:

y = 2

Step-by-step explanation:

Slope that passes through two points, (10, y) and (3, 4) = m = \frac{y_2 - y_1}{x_2 - x_1}.

Where,

(10, y) = (x_1, y_1)

(3, 4) = (x_2, y_2)

m = -²/7

Plug in the values

\frac{-2}{7} = \frac{4 - y}{3 - 10}

\frac{-2}{7} = \frac{4 - y}{-7}

Cross multiply

-2*-7 = 7(4 - y)

14 = 28 - 7y

7y = 28 - 14

7y = 14

Divide both sides by 7

y = 2

3 0
3 years ago
What is the inverse of the function f(x) =<br> 1/9x+ 2?
hichkok12 [17]

Answer:

f^{-1}(x) = 9x -18.

Step-by-step explanation:

y=f(x)=\dfrac 19 x +2\\\\\text{Replace x with y and then solve for y,}\\\\~~~~~~~x = \dfrac 19 y+2\\\\\implies 9x =y + 18~~~~~~~~~~~~~~~;[\text{Multiply both sides by 9}]\\ \\\implies y = 9x -18\\\\\implies f^{-1}(x) = 9x -18\\\\\text{Hence, the inverse of the given function is}~  f^{-1}(x) = 9x -18.

4 0
2 years ago
Given 3x^2+x-4/x-1 what are the domain and range
Katarina [22]

Answer:

  • doman: x ≠ 1
  • range: y ≠ 7

Step-by-step explanation:

The domain is the horizontal extent of the graph, the set of x-values for which the function is defined. The range is the vertical extent of the graph, the set of y-values defined by the function.

<h3>Simplified</h3>

The given function is undefined where its denominator is zero, at x=1. Everywhere else, it can be simplified to ...

  \dfrac{3x^2+x-4}{x-1}=\dfrac{(x-1)(3x+4)}{(x-1)}=3x+4\quad x\ne 1

<h3>Domain</h3>

The simplified function (3x+4) is defined for all values of x except x=1. The simplest description is ...

  x ≠ 1

In interval notation, this is ...

  (-∞, 1) ∪ (1, ∞)

<h3>Range</h3>

The simplified function is capable of producing all values of y except the one corresponding to x=1: 3(1)+4 = 7. The simplest description is ...

  y ≠ 7

In interval notation, this is ...

  (-∞, 7) ∪ (7, ∞)

6 0
2 years ago
Please help me:) thank you!&lt;3
Y_Kistochka [10]
I think your answer might be the first one
5 0
3 years ago
A regular polygon is drawn in a circle so that each vertex is on the circle and is connected to the center by a radius. Each of
svetoff [14.1K]
EACH central angle = 360 / number of sides 
number of sides = 360 / each central angle 
number of sides = 360 / 40
number of sides = 9
4 0
4 years ago
Read 2 more answers
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