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Marizza181 [45]
3 years ago
14

Someone pls help!? I don't get it

Mathematics
1 answer:
anzhelika [568]3 years ago
3 0
= x^(16/5)  
= x^(3 1/5)
= x^3  * x^1/5

= x^3   * fifthroot of x

Its the first choice
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I need to know how to solve this
ahrayia [7]
Answer:

To find angle y you subtract the two angles form 180 degrees because it is a straight line. Then you subtract angle y and 72 from 180 because a triangle adds up to 180 degrees and you get angle x.

Hope this helps, ask if you have any more questions!
8 0
2 years ago
A theater has 43 seats in the first row. There are 49 seats in the second row, 61 seats in the third row, and 79 seats in the fo
mihalych1998 [28]
43 to 49 is 6
49 to 61 is 12
61 to 79 is 18
add 6 to each
79=4th row
79+18+6=79+24=103
103+24+6=103+30=133
133+30+6=133+36=169

7th row=169 seats


5 0
3 years ago
I'm thinking of two numbers. The first plus twice the second equals 11. Twice the first plus three times the second equals 50. W
valentinak56 [21]
2x + 4y - 2x - 3y = 22 - 50

y = -28

substitute into the 1st equation to find x

3 0
3 years ago
What is the inverse of the function y=3e^(4x+1)
Sergeeva-Olga [200]
To find the inverse interchange the variables and solve for y

f^-1 (x) = - 1/4 + in(x)/4 - in(3)/4
6 0
3 years ago
Read 2 more answers
WILL MARK BRAINLIEST! PLEASE HELP
zmey [24]
Part 1) <span>In triangle PQR, mP= 43, PQ=7.5 and PR= 8.4. What is mR to the nearest degree?

we know that
the law of cosines establishes that
c</span>²=a²+b²-2*a*b*cos C

in this problem

c=QR
a=PQ=7.5
b=PR=8.4
C=angle P=43°
c²=a²+b²-2*a*b*cos C----> c²=7.5²+8.4²-2*7.5*8.4*cos 43°
c²=34.66--------> c=5.89
QR=5.9 

applying the law of sines
7.5/sin R=5.9/sin 43-----> 7.5*sin 43=5.9*sin R---> sin R=7.5*sin 43/5.9
sin R=0.8669---------> R=arc sin (0.8669)----> R=60.11°----> R=60°

the answer Part 1) is the option
<span>D. 60
</span>
Part 2) <span>In triangle ABC mA=43, mB=62 and BC=22 in. What is AB to the nearest tenth of an inch?

we know that 
</span>∠C=180-(62+43)-----> ∠C=75°
<span>
Applying the law of sines
22/sin 43=AB/sin 75------> AB=22*sin 75/ sin 43-----> AB=31.16 in
AB=31.2 in

the answer Part 2) is
</span><span>D.31.2</span>
4 0
3 years ago
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