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Finger [1]
3 years ago
10

The angles below are supplementary. What is the value of x? A pair of supplementary angles is shown. One angle measures 3x + 40,

and the other angle measures 80.
16.6
20
26.7
40
Mathematics
2 answers:
NeX [460]3 years ago
8 0
Supplementary angles add up to 180 degrees and with the given information you should be able to get the equation (3x+40)+80=180. Simply solve for X from there. X should equal 20.
m_a_m_a [10]3 years ago
6 0

Answer:

x = 20 hope this helps :)

Step-by-step explanation:

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A thread was folded in half twice. Then, it was cut in a random place. One of the pieces is 8cm, and the longest piece is 18cm.
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Step-by-step explanation:

5 0
3 years ago
melissa purchased a car at the price of 20,540 with a down payment of 3,900 and financed the rest paying 8.6% interest compounde
DaniilM [7]

Answer:

$478.06

Step-by-step explanation:

let's first start out by figuring out the present value of the loan

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I'm then going to assume that the 8.6% is a nominal interest rate meaning that the effectively monthly rate is equal to .086/12=.0072

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6 0
3 years ago
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3 0
3 years ago
Lee filled up his gas tank before starting a road trip. If he has used 5.8 gallons two hours into the trip, and has 12.4 gallons
KATRIN_1 [288]
He started out with 19.1 gallons because if you add 5.8 and 12.4 you get 19.1
3 0
3 years ago
I kind of understand this question, but I'm not sure how to answer it directly, can someone help please.
nordsb [41]
So here we use the pythagorean theorem which is a2 + b2 = c2 (“a” squared times “b” squared equals “c” squared) the length from calvins house to the intersection is “a” and the length from phoebes house to the intersection is “b” so in order to find out the length of “c” (calvins house to phoebes house) we need to use the pythagorean theorem

a2 275x275=75,625

b2 113x113 = 12,769

so now that we have figured out what a2 and b2 are let’s add them

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5 0
3 years ago
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