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sertanlavr [38]
3 years ago
10

Which of the following cosine functions has a period of 3π?

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
7 0

Answer:

y = cos 2/3 x

Step-by-step explanation:

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In parallelogram QRST, diagonals QS and RT intersect at point E. Which statement must be true? QS ⊥ RT ΔRES ≅ ΔTEQ ∠RQS ≅ ∠SQT Δ
jek_recluse [69]

Answer:

ΔRES ≅ ΔTEQ

Step-by-step explanation:

A parallelogram is a quadrilateral (has four sides and four angles) in which opposite sides are equal and parallel to each other.

Opposite angles of a parallelogram are equal and the diagonals bisect each other. Each diagonal of a parallelogram separates it into two congruent triangles.

Given parallelogram QRST with diagonals QS and RT intersecting at point E

Therefore, the diagonals divide parallelogram QRST into congruent triangles, hence:

ΔRES ≅ ΔTEQ

5 0
3 years ago
How do u plot the points from the equation y=-2x+1 and y=3x-1
malfutka [58]
Just plot on the y and x axis
It shows the points so just plot :)
6 0
3 years ago
(-3,-2). (9. -15)<br> Slope
zaharov [31]

answer:

-13/12

Step-by-step explanation:

use the formula to find slope using points

it is: y2-y1/x2-x1

plug in point values into formula

-3 = x1. 9 = x2

-2= y1. -15 = y2

-15-(-2)/ 9-(-3)

-13/12

4 0
3 years ago
Read 2 more answers
Complete the statement if 8 = m/4 then m - 12 =
Agata [3.3K]
8 = m/4

8(4) = m/4(4)
m = 8(4)
m = 32

m - 12 =
(32) - 12 =
20

Your answer is 20

Hope this helps
8 0
3 years ago
Is the function even odd or neither
Andrei [34K]

Answer: Neither

The function is not even because it doesn't have y axis symmetry. In other words, reflecting it over the vertical y axis means it doesn't line up with itself. The left half is different from the right half.

The function isn't odd either. Why not? Because rotating it 180 degrees around the origin has the function curve looking completely different. A point like (3,6) will rotate to (-3,-6) which is not on the orange curve. This is just one counter-example as to why the function is not odd.

4 0
3 years ago
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