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EleoNora [17]
4 years ago
13

Unit three study guide

Mathematics
2 answers:
Softa [21]4 years ago
8 0
Study it! You will get good grades! Flash cards can help too
frutty [35]4 years ago
4 0
Study it! Flash cards are a good idea!
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One of the tables shows a proportional relationship.
beks73 [17]

Answer:

See attached

Step-by-step explanation:

The graph of a <u>proportional linear relationship</u> is a line that <u>passes through the origin</u> (0, 0).

From inspection of the given tables, the <u>linear equations</u> for each table of points is:

  • Table 1:  y = x + 1
  • Table 2:  y = x/2
  • Table 3:  y = x + 2
  • Table 4:  y = 2x + 1

The only equation for which y = 0 when x = 0 is y = x/2  →  Table 2.

Given points from Table 2:

  • (2, 1)
  • (4, 2)
  • (6, 3)
  • (8, 4)

To <u>graph the line</u>, plot the given points and draw a line through them (see attached).

5 0
2 years ago
Does anyone know the surface area for this problem. if so i will mark brainliest.
sveticcg [70]

From the given volume, we know that the ratio is:
\text {Ratio of yellow eraser to white eraser = }  \sqrt[3]{ \dfrac{16}{2} }

From the given area, we know that the ratio is:
\text {Ratio of yellow eraser to white eraser = }  \sqrt{ \dfrac{52}{x} }

Equate the two ratio and solve for x:
\sqrt[3]{ \dfrac{16}{2} }  = \sqrt{ \dfrac{52}{x} }

Cube both sides:
\dfrac{16}{2} = \bigg(\sqrt{ \dfrac{52}{x} }\bigg)^3

Square both sides:
\bigg(\dfrac{16}{2} \bigg)^2 = \bigg( \dfrac{52}{x}  }\bigg)^3

Simplify each term:
\dfrac{16^2}{2^2} = \dfrac{52^3}{x^3}

Cross multiply:
256x^3 = 562432

Divide both sides by 256:
x^3 = 2197

Cube root both sides:
x = 13

7 0
4 years ago
Please answer ASAP. What is the negative angle of rotation for the angle with positive angle
Reil [10]

Answer:

-90

Step-by-step explanation:

The full circle is 360 degrees, so is you turn one way say 10 degrees, then you would need to move 350 degrees in opposite direction.

So, in this case moving 270 one way would be equivalent to moving 360-270=90 degrees in the opposite direction

8 0
4 years ago
Read 2 more answers
The figure is a parallelogram. One diagonal measures 28 units. Is the figure a rectangle? Explain.
Pachacha [2.7K]

Answer:

(B)

Step-by-step explanation:

From the given figure, we can see that the opposite sides of the given quadrilateral are congruent but they do not meet at right angles because there is no right angle marked on the given figure, thus the given quadrilateral cannot be rectangle (by the definition).

Therefore,  No, it is not a rectangle because the sides of the parallelogram do not meet at right angles.

Also, only one diagonal of measure 28 is given, no other diagonal is given, thus rest of the options do not hold.

5 0
3 years ago
Read 2 more answers
Please dont waste the points and say random things!
Serga [27]

Um okay.

Also, I think it'll be A.

3 0
3 years ago
Read 2 more answers
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