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kirill [66]
2 years ago
5

Help plzzzzzzzzzzzzzzzzz

Mathematics
2 answers:
Rudik [331]2 years ago
7 0

Answer:

0.9

Step-by-step explanation:

Basic angle =

cos { }^{ - 1} ( \frac{4}{5} ) = 36.870 \: degrees \\

Therefore,

theta = 180 + 36.870 = 216.87 \: degrees

Therefore,

\sin( \frac{theta}{2} )  =  \sin(108.435 )  = 0.9

alekssr [168]2 years ago
6 0

Answer:

this answer is -1.8

Step-by-step explanation:

because you add and subtract all of them

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Answer:

Step-by-step explanation:

2(20 + 22) = 2(42) = 84 total books

6 0
2 years ago
Marshall charges $22.00 per hour to cut yards in his neighborhood. Use the ratio of Marshall’s hours worked to the amount earned
Leni [432]
If there are $22 made per hour for 7 hours, you’d add 22 per hour in your table. 1 hour=$22, 2 hours=$44, 3 hours=$66, and so forth. make a table of these numbers up to 7 hours.
4 0
2 years ago
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Which of the following sequences of transformation is used to obtain figure A’B’C’D’ from ABCD?
weeeeeb [17]

Answer:

Most likely (B)

Step-by-step explanation:

Points of ABCD:

A (3,1)

B (3,4)

C (5,5)

D (5,2)

The algebraic rule for reflecting across the y axis:

(x,y) ---> (-x, y)

Points of ABCD after being reflected: (shown by figure 2)

A (-3, 1)

B (-3, 4)

C (-5, 5)

D (-5, 2)

Then, the figure got translated two units to the left, resulting in figure F in the picture, and A’B’C’D’ in the question.

Points of ABCD after being translated by (x-2, y) : (shown by figure F)

A (-5, 1)

B (-5, 4)

C (-7, 5)

D (-7, 2)

This should be the coordinates of A’B’C’D’.

7 0
3 years ago
ABCDEF is a regular hexagon. AJFGH is a regular pentagon
Ede4ka [16]
Please finish the sentence(s). This doesn’t have enough information. Have a good day
3 0
3 years ago
What is the measure of angle x, In degrees?<br><br> Helps please!!
Mars2501 [29]
Because segments XY and XZ are of equal length, angle Y and angle Z must be congruent.

All inner angles must add to 180 degrees since it's a triangle.
70+70+x=180
140+x=180
x=40

Final answer: D
7 0
2 years ago
Read 2 more answers
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