MATHEMATICS HIGH SCHOOL

Find the value of z. Then find the value of the interior angles ​
Find the value of z. Then find the value of - 1

Answers

Answer 1
Answer:

Step-by-step explanation:

\because \angle JKM is the exterior angle of \triangle KLM

\therefore by remote interior angle theorem of a triangle, we have:

m\angle L + m\angle M = m\angle JKL \n\n</p><p>(18z + 3)\degree + (5z - 3)\degree = 161\degree \n\n</p><p>(18z + 3+5z - 3)\degree = 161\degree \n\n</p><p>(23z)\degree = 161\degree \n\n</p><p>23z = 161\n\n</p><p>z = (161)/(23) \n\n</p><p>\huge \red {\boxed {z = 7}} \n\n</p><p>\because \measuredangle L = (18z +3)\degree \n\n</p><p>\therefore \measuredangle L = (18* 7+3)\degree \n\n</p><p>\therefore \measuredangle L = (126+3)\degree \n\n</p><p></p><p>\huge\purple {\boxed {\therefore \measuredangle L = 129\degree}} \n\n</p><p></p><p>\because \measuredangle M = (5z - 3)\degree \n\n</p><p>\therefore \measuredangle M= (5* 7-3)\degree \n\n</p><p>\therefore \measuredangle M = (35-3)\degree \n\n</p><p></p><p>\huge\orange {\boxed {\therefore \measuredangle M = 32\degree}} \n\n

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The sides of a square are three to the power of two sevenths inches long. What is the area of the square?nine to the power of four sevenths square inches
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three to the power of the fraction four over forty nine square inches
nine to the power of the fraction four over forty nine square inches
I say its B ( 2nd one )

Answers

we know that

Area of the square=x^(2)

where

x is the length side of the square


in this problem

x=3^{(2)/(7)} in

so

Area=(3^{(2)/(7)})^(2) \n Area=3^{((2*2))/(7)} \n Area=3^{(4)/(7)}in²


therefore


the answer is the option

three to the power of four sevenths square inches
The area is (3^{2/7} )^2[/tex], or 

Help pls! ill mark brainliest if correct

Answers

I can help you can count on me! you can trust me!

22.6 is an outlier for the second data set. The reason for this is that 22.6 is nowhere near the rest of the data points. Outliers are numbers that are either a lot bigger or a lot smaller than the rest of the other numbers in the set. In this case, 22.6 is a lot bigger.

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If the green spinner is spun and then the purple spinner is spun, creating a two-digit number, what is the probability that the resulting number will be 14 or less

Answers

i think a picture should be provided to get more insight on this question

Express the set in roster form.{x|x is an integer greater than -6}

Answers

\{x|x\in\mathbb{Z}\ \wedge\ x > -6\}=\{-5;-4;-3;-2;-1;\ 0;\ 1;\ 2;\ 3;\ 4;\ 5;..\}

Yusuf bought a DVD player for $280, now it is $220. What is the percent decrease in the price?​

Answers

60 % because 280-220 gets you 60%

Answer:

About 21.4%

Step-by-step explanation:

280 - 220 = 60

60 of 280 = ?

Variable x = percentage

60/280 = x/100

Cross multiply

60 × 100 = 280 × x

6000 = 280x

Divide both sides by 280

6000 ÷ 280 = 280x ÷ 280

21.428.... = x

About 21.4%

Check work:

60/280 = 21.4/100

Cross multiply

60 × 100 = 280 × 21.4

6000 = 5992

6000 is close to 5992

It does not equal exactly 6000 because I estimated the percentage to 21.4% instead of 21.428....%

Please help I'm desperate...Solve the systems:

a. y=50+3x

y=100-2x


b. x+3y=9

-3x+2y=8


Thanks for helping

(will give brainliest <3)

Answers

the first step that isn’t show here is expressing the system in standard form. I assumed you would already know how to do that so I didn’t include it
As for the second system, I’d be happy to give you a solution for that as well, but I can only post one photo per question so you would have to post it again :)
I recommend you use the app photomath you just have to take a picture of your exercise.
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