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serious [3.7K]
3 years ago
13

Find measure of missing angle

Mathematics
1 answer:
devlian [24]3 years ago
5 0

Answer:

18

Step-by-step explanation:

properties of a triangle: all the angles add up to 180 degrees

so

180 - 90 - 72 = 18

answer is 18 degrees

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The line 2x + 3y - k = 0 bisects the line segment joining the points A(4, -3) and B(-2, 5). Find the value of k.​
lisabon 2012 [21]

Answer:

5

Step-by-step explanation:

The midpoint of segment AB is (1, 1).

Substituting these coordinates into the equation of the line,

2(1)+3(1)-k=0 \\ \\ 5-k=0 \\ \\ k=5

3 0
2 years ago
I’ll mark you brainliest!!!!! Which situation shows a constant rate of change?
Irina-Kira [14]

Answer:

B

Step-by-step explanation:

If we make a graph comparing the total cost of the milk and the gallons bought, it will be a straight line, which is a constant rate of change.  

4 0
3 years ago
Solve the following equation.<br> -8x=-6x +10
miskamm [114]
(-8)x=(-6)x+10
(-2)x=10
X=10/-2
X=-5
8 0
4 years ago
Plz answer and im giving a lot of points ; ; oh and its two questions in one
Natali [406]
Please don't ask 2 questions in 1 question



remember that percent is parts out of 100 so x%=x/100
basically just remove the percent sign and move the decimal place 2 places to the left  to convert to fraction

the first one
20 dollars
4.75% tax
15% tip
it depends if you want to tip on the total with tax or without tax
it is better to top on the without-tax value since tax comes from you so
find 4.75% of 20 and add that to 15% of 20 then add that to 20 to get the proper value

scenarios
1. 20+(20 times 4.75%)+(20 times 15%)=23.95
2. ([(20 times 104.75%)] times 115%)=24.09
both are bellow $25 so $25 shoudl be enough to cover it




total cost of a spa treatment of 42 with 6% tax and 20% tip
so you could again do two things:
1. apply tax and give tip on the new amount
2. find the tip and add that to the tax of only 42

scenarios:
1.(42 times 106%) times 120%=$50.4
2. (42 times 20%) +(42 times 106%)=$52.92
it depens on what you tip on
6 0
3 years ago
Please Help I need ot now!!!!!!​ Ms. Moore is purchasing a house and needs to finance a $150,000 mortgage from the bank with an
alina1380 [7]

$251,618

Step-by-step explanation:

Amount = $ 150,000

APR = 3.8 % = 3.8 / 100 = 0.0038

Rate per month = 0.003166

Monthly payment = 30 years = 360 months

Interest = P* r/n (1 + r/n) ∧ nt ÷ (1 + r/n) ∧ nt - 1

The total amount Ms Moore will pay back to the bank =

= $251,618

3 0
3 years ago
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