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artcher [175]
3 years ago
12

|| both answers needed || tysm for helping

Mathematics
1 answer:
EastWind [94]3 years ago
3 0
#19 is B:100 and #20 is H:30 I believe, if those were the answers you were looking for :)
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PLEASE HELP ASAP 9TH GRADE MATH AND I NEED HELP, 15 POINTS AND BRAINLIST HELPPPP
Sunny_sXe [5.5K]

Answer:

x = 40°

Step-by-step explanation:

Given that ∠SRT ≅ ∠STR

Then ∠STR = 20

∠STR  and ∠STU are what you call supplementary angles. This means that the sum of their measurements is equal to 180° because they form a straight line.

So if:

∠STR + ∠STU = 180°

m∠STU = 4x

m∠STR = 20

Then:

4x + 20° = 180°

Now we solve for x:

4x + 20 = 180\\\\Subtract\;20\;from\;both\;sides\;of\;the\;equation\\\\4x + 20 - 20 = 180 - 20\\4x = 160\\\\Divide\;both\;sides\;of\;the\;equation\;by\;4\\\\\dfrac{4x}{4}=\dfrac{160}{4}\\\\x = 40

x = 40°

8 0
3 years ago
The population of a city in 2005 was 18,000. By 2010, the city's population had grown to 32,800. If the population growth follow
kotykmax [81]

Answer:

The projected population for 2015 is around 83,600 people.

Step-by-step explanation:

If between 2005 and 2010, the population grew by 32,800 people, and the model of this problem is linear. Then that means in another 5 years, another 32,800 people would populate the area. Hopefully this makes sense!

3 0
3 years ago
800,000,000,000 + 20,000,000,000 + 3,000,000,000 + 50,000,000 + 4,000,000 + 600,000 + 50,000 + 8,000 + 700 + 80 + 6
WITCHER [35]
823054658786 is the answer to your question
3 0
3 years ago
How much will you have to pay back in total if you borrowed $400 from the bank for a year at 12%
vodka [1.7K]
1) figure out interest amount

400x.12= 48

2) add interest and loan amount

400+48= 448
3 0
2 years ago
Read 2 more answers
U is the set of integers. G is the set of negative integers. What is the complement of set G in universive U?
harina [27]

Answer:

Wouldn't the answer be C) Positive Integers?

Step-by-step explanation: Because the complement of a set include all of the elements not included in the indicated set. I hope I'm making some sense. :)

6 0
3 years ago
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