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andrezito [222]
3 years ago
6

Assume that 0 < x < pi/2 and 0 < y < pi/2. Find the exact value of cos(x-y) if cos(x)=3/5 and cos(y)=4/5

Mathematics
2 answers:
Alborosie3 years ago
6 0

Answer: The answer is C

KengaRu [80]3 years ago
5 0
I think the answer is A but I could be wrong
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Dan is 4 years older than his brother Gabriel. Together their ages equal 22. How old is each boy?
zmey [24]
(4+x)+x=22
= 4+2x=22
= 2x = 18
= x = 9.

Gabriel is 9 years old, and Dan is 4 + 9 or 13 years old.
3 0
3 years ago
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Describe the relationship between the number of at bats and the number of hits using the data in the scatter plot.
Fynjy0 [20]

Answer:

The number of at bats increases, the number of hits also increases

Step-by-step explanation:

Given

See attachment for graph

Required

Relationship between the plots

From the attached graph, we can observe that there is an upward trend in the graph; in other words, when the number of at bats increases, the number of hits also increases

Hence, the relationship between them is that: an increment in at bats causes an increment in hits.

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3 years ago
Milan wants to wallpaper the back wall of his bedroom. The wall is in the shape of a rectangle. Its length is 16 and its width i
hjlf

Answer:

$768

Step-by-step explanation:

A = lw

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3 0
3 years ago
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Read the problem and decide whether it has too much or too little
Arte-miy333 [17]

Answer:

A. too much

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If we are only looking for how much water she drinks, we do not need to know the amount of hay or the amount of fruit

4 0
3 years ago
Factor the given quadratic function x2 + 9x = 36.​
Gennadij [26K]

Answer:

(x + 12)(x - 3)

Step-by-step explanation:

{x}^{2}  + 9x = 36 \\  {x}^{2}  + 9x - 36 = 0 \\  {x}^{2}  + 12x - 3x - 36 = 0 \\ x(x + 12) - 3(x + 12) = 0 \\ (x + 12)(x - 3) = 0

4 0
3 years ago
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