2 years ago

Solve for x. x= ____

Mathematics

1 answer:

Alika [10]2 years ago

6 0

Maybe 193*? ((A^2)+(B^2))=C^2 so, (160^2)+(180^2)=37264....the square root of 37264 is rounded off to 193

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The measure of an interior angle of a regular polygon is 140°140°. find the number of sides of the polygon.

MA_775_DIABLO [31]

$\alpha = \cfrac{180(n-2)}{n} \ \ \ \ \ [ \alpha =interior \ angle, \ \ n=number \ of 
 \ sides] \\ \\ \\ 140 = \cfrac{180(n-2)}{n} \\ \\ 140n = 180(n-2) \\ \\ 140n=180n-360 \\ \\ 40n=360 \\ \\ n= \frac{360}{40}=9 \ \ sides$

4 0

2 years ago

Read 2 more answers

Evaluate each expression if r= −3, s=4, and t= −7.

saul85 [17]

Answer:

a. $5$

b. $-1$

c. $132$

Step-by-step explanation:

Given:

$r =-3$ , $s = 4$ and $r = -7$

$\sqrt{s} +|r| \\ \sqrt{4} +|-3| \\ 2 +3 \\ 5$

$\frac{s -r}{t} \\ \frac{4 -(-3)}{-7} \\ \frac{4 +3}{-7} \\ \frac{7}{-7} \\ -1$

$2s^3 +r -t \\ 2(4)^3 +(-3) -(-7) \\ 2(64) -3 +7 \\ 128 -3 +7 \\ 132$

5 0

2 years ago

1,200 tv; 10% discount

klio [65]

Since you get 10% off, you only pay 90% of the price.
1200 x 0.90 = 1080

Therefore the price is $1080 before taxes.

5 0

2 years ago

Nils is 6 feet tall and he casts a 24 foot shadow. He sees the shadow of a tree next to him and measures it to find the shadow i

denis-greek [22]

Answer:

360

Step-by-step explanation:

24 divided by 6 = 4 which means each foot = 4 foot shadow

90 x 4 =360

4 0

2 years ago

Find the nth term 11, 22,33,44<br> I WILL GIVE THE BRAINIEST TO WHOEVER ANSWERS FIRST CORRECTLY!!!

aksik [14]

Answer:

common difference(d) = 11

first term (a)=11

then the nth term

=a+(n-1)d

=11+ (n-1)*11

=11+11n-11

=11n

4 0

2 years ago