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AnnyKZ [126]
3 years ago
11

Which statement best describes the faces that make up the total surface area of this composite solid? A triangular prism on top

of a rectangular prism. 9 faces, 5 rectangles, and 4 triangles 9 faces, 7 rectangles, and 2 triangles 11 faces, 7 rectangles, and 4 triangles 11 faces, 9 rectangles, and 2 triangles
Mathematics
2 answers:
katen-ka-za [31]3 years ago
8 0

Answer:

B.

Step-by-step explanation:

9 faces, 7 rectangles, and 2 triangles

hope this helps! :3

Anestetic [448]3 years ago
3 0

Answer:

The answer is B) 9 faces, 7 rectangles, and 2 triangles

Step-by-step explanation:

I took the test and got it correct

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Tell whether x and y show direct variation. x + y = 6​
Over [174]
<h3>Answer: Not direct variation</h3>

The reason why is because it can't be written in the form y = kx

If we solved the given equation for y, we get y = -x+6. It has a y intercept of 6, but it should be zero if we wanted a direct variation equation.

5 0
2 years ago
For each of the functions below, indicate whether the function is onto, one-to-one, neither orboth. If the function is not onto
Karo-lina-s [1.5K]

Answer:

f_{1} :Z \rightarrow Z is one to one mapping, it is not onto mapping

Step-by-step explanation:

f_{1} :Z \rightarrow Z\\ f_{1} (x) = x^{3}

f₁(x) is one to one mapping

Let x, y \epsilon Z

f₁(x) = f₁(y):

x₁³ = y₁³

f₁(x) is not onto mapping

Example: If f₁(x) = 7,

x₁³ = 7

x_{1} = \sqrt[3]{7}

x₁ is not an element of Z

f_{1} :Z \rightarrow Z is one to one mapping, it is not onto mapping

5 0
3 years ago
I need help please.
jeka57 [31]

We are trying to represent the change in position of a bird flying down 7 ft to the ground.

Often, for the y axis- up is positive and down is negative.

Change in position is displacement- how far it was from the starting point

( different from distance which is how far is traveled

ex. doubling back would have distance they traveled some distance while the displacement is 0 because they are back to where they started).

The bird is going down 7 ft from where it originally was, which can be represented by

Bird's displacement = -7 ft

5 0
3 years ago
A box contains 75 red and 25 green light bulbs. it is found that 20 bulbs in the box are defective, of which 2 are red. what is
Afina-wow [57]

Answer:

15 bulbs are red.

Step-by-step explanation: Because 75 is 3 times as big as 25 so every 1 green light bulb 3 red light bulbs will be deflective.

8 0
3 years ago
In a basketball game, Kyrie scored 5 less than twice as many as Steph. Combined the two scored 55 points. How many points did Ky
Aleonysh [2.5K]
Let steph score be x
Then kyrie score is 2x-5
Sum of the two scores is 55
Therefore x+2x-5=55
3x-5=55
3x=60
x=20

Therefore steph score is 20
And kyrie score is 2(20)-5
40-5=35
5 0
3 years ago
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