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lyudmila [28]
4 years ago
13

Help please!!!!!!!!!!!!!!!!

Mathematics
1 answer:
joja [24]4 years ago
7 0
8. d, because its 1/7 not 7/1
9. b. (2x - 5) - (3x - 8)
2x - 5 - 3x + 8
2x - 3x - 5 + 8
- x + 3
10. a. -14
its because 5-3×4
5-12
2× -7
-14
am i right?.
if yes pls mark as brainliest
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Use the Law of Sines to find the measure of angle J to the nearest degree.
rjkz [21]
\bf \textit{Law of sines}
\\ \quad \\
\cfrac{sin(\measuredangle A)}{a}=\cfrac{sin(\measuredangle B)}{b}=\cfrac{sin(\measuredangle C)}{c}\\\\
-----------------------------\\\\
\cfrac{sin(J)}{9.1}=\cfrac{sin(97^o)}{11}\implies sin(J)=\cfrac{9.1\cdot sin(97^o)}{11}
\\\\\\
\textit{now taking }sin^{-1}\textit{ to both sides}
\\\\\\
sin^{-1}\left[ sin(J) \right]=sin^{-1}\left( \cfrac{9.1\cdot sin(97^o)}{11} \right)
\\\\\\
\measuredangle J=sin^{-1}\left( \cfrac{9.1\cdot sin(97^o)}{11} \right)
8 0
4 years ago
Multiply 6/13 by the reciprocal of -7/16
denis-greek [22]
_6_  *  - _16_
 13           7


6 times -16 is -96
13 times 7 is 91 
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7 0
3 years ago
Can u help with my homework
valkas [14]
Basically what this is, is:

100% = 100/100

Basically, to get the fraction, you just set the denominator as 100 and move the percentage up. You can then multiply by as many powers of 10 as needed or simplify the fraction as many times as needed.

Ex:

78.7% = ?/100

Just put 78.7 into that question mark spot to get:

78.7/100 = 78.7%

Now, you multiply the whole thing by 10/10:

787/1000

So that's your fraction.

29% = ?/100

Then it would be,

29/100.

55.8%: 558/1000, you could simplify that by dividing both the numerator and denominator by 2, and you would get 279/500.

28.2%: 282/1000, simplify that: 141/500

82%: 82/100, 41/50

74%: 74/100, 37/50

91.8%: 918/1000, 459/500

72%: 72/100, 18/25

129%: 129/100

15.8%: 158/1000, 79/500

24.3%: 243/1000

93%: 93/100
6 0
4 years ago
1. Find k, the constant of proportionality, for the given graph.
s2008m [1.1K]

Answer:

The answer is B or 15.

Step-by-step explanation:

the total money saved divided by the time is always 15

5 0
3 years ago
I need some help; if you don't know the answer, don't answer
ohaa [14]

Answer:

B is the right answer and if you want learn this, than learn algebric expression

7 0
3 years ago
Read 2 more answers
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