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mamaluj [8]
3 years ago
12

Define an altitude of a triangle.

Mathematics
1 answer:
Setler79 [48]3 years ago
6 0
An altitude is a line which passes through a vertex of a triangle, and is at right angles to the opposite side. A triangle has three altitudes.
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Find the value of x in the triangle shown below.
Crazy boy [7]

Answer:

i think its the same as one of the angles: 42º

correct me if im wrong

3 0
3 years ago
85% of all cars sold in chicago are some color other than black. if three hundred black cars were sold in chicago, how many cars
hram777 [196]
Of 85% of cars sold where not black then 100-85% where black = 15%
let the number of cars sold be y
then 15%*y=300
y= 300 divided by 15%
= (300*100)/15
=2000
therefore 2000 cars were sold
7 0
3 years ago
Solve each equation. Show your work<br><br> 13a=-5<br> 12−b=12.5<br> -0.1=-10c
amid [387]
1) 13a=-5
Make a the subject of the formula by dividing both sides by 13(the coefficient of a)
13a/13=-5/13
Therefore a= -0.385

The second one). 12-b= 12.5
You take the 12 to the other side making b subject of the formula (-b in this case)
-b= 12.5-12
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(You cannot leave b with a negative sign so you will divide both sides by -1 to cancel out the negative sign)

-b/-1= 0.5/-1
Therefore b=-0.5

The third one). -0.1= -10c
You will divide both sides by the coefficient of c(number next to c) which is -10
-0.1/-10= -10c/-10

Hence, c= 0.01
5 0
3 years ago
0.0084 scientific notation
kogti [31]

Answer:

8.4*10^-3

Step-by-step explanation:

Move the decimal point 3 places in order to get a number in the one's place.

7 0
3 years ago
Read 2 more answers
A drink is made from orange juice and lemonade in the ratio 3 : 7. How much lemonade is needed if 60 ml of orange juice is used?
lina2011 [118]

Answer:

140 ml

Step-by-step explanation:

60/3  =  20

20x7 = 140

8 0
2 years ago
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