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MrRa [10]
3 years ago
7

When a number is increased by 5% the result is 25 what is the original number to the nearest 10th

Mathematics
1 answer:
lbvjy [14]3 years ago
3 0
The original number to the nearest tenth is 23.8
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In triangle STU the measure of angle U ie 90°. TU=6.6 US=2.3 find the measure of angle S
Mazyrski [523]

Answer:

70.8 to one decimal place,

or to be exact : 70.7873

Step-by-step explanation:

In right angle triangles, trigonometry functions can be used

here tan out of sin, cos ,tan seems the most appropriate

tan(x) = opposite/adjacent

tan(x) = 6.6/2.3

x = tan^-1 (6.6/2.3)

x = 70.7873

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Which of the following expressions are equivalent?
Dmitry [639]

Answer:

B. 7(6x – 1) and 42x – 7 is equivalent

Step-by-step explanation:

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B. 7(6x – 1) and 42x – 7

7(6x – 1)=42x-7 equivalent

C. –6(4x – 3) and –6x

=–6(4x – 3)=-24+18 not equivalent

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=5(2x + 3y)=10x+15y not equivalent.

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Answer:

A≈61.94

Just plug it into a calculator

     

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