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3 years ago

Help Find the fourth angle. PLEASE and thanks!!

Mathematics

2 answers:

valentinak56 [21]3 years ago

8 0

The correct answer is B. 45°

irakobra [83]3 years ago

6 0

The answer is 45 ur welcome hehe

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Simplify showing your work 9(2x^4y^2)^3/(3x^5y^3)4

KatRina [158]

$\bf ~\hspace{7em}\textit{negative exponents} \\\\ a^{-n} \implies \cfrac{1}{a^n} ~\hspace{4.5em} a^n\implies \cfrac{1}{a^{-n}} ~\hspace{4.5em} \cfrac{a^n}{a^m}\implies a^na^{-m}\implies a^{n-m} \\\\[-0.35em] \rule{34em}{0.25pt}$

$\bf \cfrac{9(2x^4y^2)^3}{(3x^5y^3)^4}\implies \cfrac{9(2^3x^{4\cdot 3}y^{2\cdot 3})}{(3^4x^{5\cdot 4}y^{3\cdot 4})}\implies \cfrac{9(8x^{12}y^6)}{81x^{20}y^{12}}\implies \cfrac{(8x^{12}y^6)}{9x^{20}y^{12}} \\\\\\ \cfrac{8}{9}\cdot \cfrac{x^{12}y^6}{x^{20}y^{12}}\implies \cfrac{8}{9}\cdot \cfrac{1}{x^{20}x^{-12}y^{12}y^{-6}}\implies \cfrac{8}{9}\cdot \cfrac{1}{x^{20-12}y^{12-6}}\implies \cfrac{8}{9x^8y^6}$

4 0

4 years ago

david made a dot plot how many miles he hiked each day for two weeks hhow many miles did he bike each day

padilas [110]

I will have to see the dot plot

8 0

4 years ago

17 POINTS!!!<br><br> 0.6x = 2.8<br> show your work

Lisa [10]

Answer:

x=28/6

Step-by-step explanation:

0.6x=2.8

0.6x*10=2.8*10

6x=28

6x/6=28/6

x=28/6

8 0

3 years ago

Can someone help pls

cestrela7 [59]

1. $\frac{6}{12} = \frac{1}{2}$

2. $\frac{24}{30} = \frac{4}{5}$

3. $\frac{9}{36} = \frac{1}{4}$

4. $\frac{15}{24} = \frac{5}{8}$

5. $\frac{9}{18} = \frac{1}{2}$

6. $\frac{12}{9} = \frac{4}{3}$

7. $\frac{5}{10} = \frac{1}{2}$

8. $\frac{24}{32} = \frac{3}{4}$

9. $\frac{10}{35} = \frac{2}{7}$

10. $\frac{18}{90} = \frac{2}{10} = \frac{1}{5}$

11. $\frac{8}{32} = \frac{1}{4}$

12. $\frac{18}{14} = \frac{9}{7}$

13. $\frac{2}{6} = \frac{1}{3}$

14. $\frac{12}{18} = \frac{6}{8} = \frac{3}{4}$

15. $\frac{24}{9} = \frac{8}{3}$

16. $\frac{7}{28} = \frac{1}{4}$

17. $\frac{6}{21} = \frac{2}{7}$

4 0

3 years ago

Find the percent of decrease from $60 to $48. Round the percent to the nearest tenth if necessary.

Rom4ik [11]

Answer: 20%

Step-by-step explanation: Basically you find the difference which is twelve, and put it over the original amount which is 60. You get 1/5 which in percent form is 20%

3 0

3 years ago