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marshall27 [118]
3 years ago
12

15. When three or more lines intersect at one point, they are

Mathematics
1 answer:
VikaD [51]3 years ago
6 0
Concurrent . Point of concurrency
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Graph each inequality y-3x<-4
stealth61 [152]

graph each inequality y-3x<-4

First we solve the inequality for y

Add 3x on both sides, so inequality becomes

y < 3x -4

Now we graph it

for graphing , replace < symbol with = sign

y= 3x - 4

Now make a table, assume some number for x  and find out y

x         y

-1       y=3(-1)-4 = -7

0       y=3(0)-4 = -4

1       y=3(1)-4 = -1

Now plot (-1,-7), (0,-4) ,(1,-1) on graph

Join all the points and make a dotted line ( dotted line for <  or > symbol)

now we do shading

for < symbol we shade down

for > symbol we shade up

The graph is attached below







3 0
3 years ago
N ∆ABC, if sin A =4/5 and tan A = 4/3 , then what is cos A?
grin007 [14]
Hello :
 tanA = sinA/cosA
cosA = sinA /tanA
cosA =(4/5)/(4/3)
cosA=3/5

3 0
4 years ago
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frozen [14]

Answer:

11

Step-by-step explanation:

proportions

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3 years ago
Sally throws an ordinary 6- sided dice once what is the probability she gets a 6
Alex777 [14]

Answer:

1/6 chance

Step-by-step explanation:

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Use the formula 1/2(base1+base2)height. Substitute the values. 
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