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Morgarella [4.7K]
3 years ago
5

“21 x __ = 7” help please

Mathematics
2 answers:
sashaice [31]3 years ago
8 0

Answer:

1/3

Step-by-step explanation:

21x___=7

___=7/21=1/3

Sloan [31]3 years ago
4 0

Answer:

1/3 is the answer

Step-by-step explanation:

  • 21×1/3
  • 21/3
  • 7
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scZoUnD [109]

Answer:

C

Step-by-step explanation:

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3 years ago
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The latest demand equation for your Yoda vs. Alien T-shirts is given by: q = −40x + 800 where q is the number of shirts you can
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Cost function=fixed cost + variable cost =400+(something)
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but i'm not sure of the this terminology
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3 years ago
Help!!! In the ____sq parts pls
Allisa [31]

Answer:

1. 63 sq m

2. 76 sq m

3. about 36.56 sq m or 24 + 4\pi

Step-by-step explanation:

Please let me know if you want me to add an explanation as to why this is the answer. I can definitely do that, I just don’t want to waste my time in case you don’t want me to :)

4 0
3 years ago
The image of a figure is shown. What are the coordinates of X in the pre-image of the figure if the rule that created the image
nydimaria [60]

The coordinates of X in the pre-image of the figure is (3.2, 0.6) if the  transformation rule is T_(-5.2, 1.4)(x, y)

<h3>What is geometric transformation?</h3>

It is defined as the change in coordinates and the shape of the geometrical body. It is also referred to as a two-dimensional transformation. In the geometric transformation, changes in the geometry can be possible by rotation, translation, reflection, and glide translation.

The question is incomplete.

The complete question is in the picture, please refer to the attached picture.

As we can see in the figure.

The transformation rule is T_(-5.2, 1.4)(x, y)

X'(-2, 2)

Before the transformation:

X = (-2+5.2, 2-1.4)

X = (3.2, 0.6)

Thus, the coordinates of X in the pre-image of the figure is (3.2, 0.6) if the  transformation rule is T_(-5.2, 1.4)(x, y)

Learn more about the geometric transformation here:

brainly.com/question/16156895

#SPJ1

8 0
2 years ago
Find the equation of the axis of symmetry and the coordinates of the vertex of the graph of the function y = –2x^2 +6x – 1.
ki77a [65]
Hello :
<span>y = –2x² +6x – 1.
 y = -2(x²-3x)-1
y= -2( x² -2(3/2)x +(3/2)² - </span>(3/2)²)-1
y = -2((x-3/2)² -9/4))-1
y = -2(x-3/2)² +7/2
the <span>axis of symmetry is the line : x = 3/2 and vertex : (3/2 , 7/2 ) </span>
7 0
4 years ago
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