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lesya [120]
3 years ago
9

Please help me thanks!

Mathematics
2 answers:
ZanzabumX [31]3 years ago
6 0
The last answer is correct
denis23 [38]3 years ago
3 0
Im pretty sure the last one is right.
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ONLY ANSWER IF YOU KNOW, SHOW WORK
yulyashka [42]

Answer:

hello,

Step-by-step explanation:

cos(3\theta)+cos(4\theta)\\\\=2*cos(\dfrac{4\theta+3\theta}{2} )*cos(\dfrac{4\theta-3\theta}{2} )\\\\\boxed{=2*cos(\dfrac{7\theta}{2} )*cos(\dfrac{\theta}{2} )}

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3 years ago
What is the area of the triangle?
gavmur [86]

Answer:

Concept: Geometric Interpretation

  1. area =  \frac{1}{2} (b \times h)
  2. So 1/2(10×24)= 120 units^2
8 0
3 years ago
I really need help with this question! And I need to show work
krek1111 [17]

Answer:

x=0.25 or -1/4

Step-by-step explanation:

120x + 21 = -9

120x = -30 (-21 from both sides of equation)

x = -0.25 or -1/4 (divide 120 from both sides of equation)

3 0
3 years ago
Read 2 more answers
Write an equation involving absolute value for each graph.<br><br> Please help! Thx!
emmasim [6.3K]

Answer:

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Math Algebra 1 Absolute value & piecewise functions Graphs of absolute value functions

Shifting absolute value graphs

Practice: Shift absolute value graphs

Scaling & reflecting absolute value functions: equation

Scaling & reflecting absolute value functions: graph

Practice: Scale & reflect absolute value graphs

Graphing absolute value functions

Practice: Graph absolute value functions

Absolute value graphs review

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Piecewise functions

Absolute value graphs review

CCSS.Math: HSF.IF.C.7, HSF.IF.C.7b

The general form of an absolute value function is f(x)=a|x-h|+k. From this form, we can draw graphs. This article reviews how to draw the graphs of absolute value functions.

Step-by-step explanation:

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