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bogdanovich [222]
3 years ago
15

The solution to which system of equations has an y-value of 0?

Mathematics
1 answer:
Elodia [21]3 years ago
4 0

Answer:

A)

Step-by-step explanation:

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professor190 [17]
2?? I’m pretty sure
Sorry if it’s wrong
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4 years ago
WORTH 100 POINTS NEED DONE ASAP WRONG ANSWERS WILL BE REPORTED THANK YOUUU
zysi [14]

Answer:

3.

1.x=√(15²-12²)=√81=9

2.x=√(6²+6²)=6√2

3.c=√(√19²-√7²)=√(19-7)=√12

Step-by-step explanation:

4.h=10

a=b=x

we have

by using Pythagoras law

h²=x²+x²

100=2x²

x²=50

x=√50=5√2

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7 0
3 years ago
Suppose that a box contains 7 cameras and that 5 of them are defective. A sample of 2 cameras is selected at random without repl
irinina [24]

Answer:

E(x) = 1.43 (Approx)

Step-by-step explanation:

Given:

Total number of camera = 7

Defective camera = 5

Sample selected = 2

Computation:

when x = 0

P(x=0) = 2/7 × 1/6 = 2/42

P(x=1) = [2/7 × 5/6] + [5/7 × 2/6] = 20/42

P(x=2) = 5/7 × 4/6 = 20/42

So,

E(x) = [0×2/42] + [1×20/42] + [2×20/42]

E(x) = 1.43 (Approx)

8 0
3 years ago
Increase 140 bye 10%
Rus_ich [418]
10% of 140 is 14 so just add 14 to 140

140+14=154.
8 0
3 years ago
Read 2 more answers
A chemist has a 30% and a 45% acid solution. What amount of each solution should be used to make 500ml of solution with 35% acid
9966 [12]
Not sure is this is right but if the chemist wants to make the solution 35% acidic then he can use all of the 30% acid and 5% of the 45% acid.
4 0
4 years ago
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