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hoa [83]
3 years ago
11

If cos x = sin(20+x) degrees and 0 degrees < x < 90 degrees, the value of x is

Mathematics
1 answer:
Natalka [10]3 years ago
4 0

Answer:

50

Step-by-step explanation:

Which number is greatest?

2.89 times 10 Superscript negative 8

1.997 times 10 Superscript 2

8.9 times 10 Superscript negative 6

5 times 10 Superscript negative 6

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Solve this inequality for x 81-1 1/5x &lt; 55
Oliga [24]

Answer:

81 - 1 1/5 x < 55

Step-by-step explanation:

-1 1/5x < -26

-6/5x< -26

x < -26 * -5/6

x < 65/3

5 0
3 years ago
Is (2+5)x3 21? Please answer quick
tensa zangetsu [6.8K]
Yes it is.
Hope this helps
5 0
3 years ago
Read 2 more answers
Please help me, I feel so idiotic right now
Alinara [238K]

Answer:

a)  $8.80

b)  40%

Step-by-step explanation:

<u>Part (a)</u>

Given:

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  • Discounted price = $13.20

Original price - discounted price

= $22 - $13.20

= $8.80

<u>Part (b)</u>

percentage = (amount discounted ÷ original price) x 100

                    = (8.80 ÷ 22) x 100

                    = 40%

8 0
2 years ago
What is the similarity ratio of the smaller to the larger prisms? Enter your answer as a:b
vladimir2022 [97]
The similarity ratio, I believe, is 2:3.

Because the lengths are 6 and 9 (2:3), the widths are 8 and 12 (2:3), and the heights are 6 and 4 (2:3).
3 0
3 years ago
Read 2 more answers
Cuánto es 7b + 2=23??
kolbaska11 [484]
B=3 you subtract the 2 from the 23 which gives you 21 which you then divide the 21 by 7 which gives you 3
4 0
2 years ago
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