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alex41 [277]
3 years ago
13

Which choice is equivalent to the expression below ? sqrt -12

Mathematics
2 answers:
STALIN [3.7K]3 years ago
6 0
There’s no answer choices
Paha777 [63]3 years ago
4 0

Answer: 2i sqrt 3.

Step-by-step explanation:

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A bag contains 3 red marbles and 3 blue marbles. What is the probability that the first marble drawn is red and the 2nd marble d
Finger [1]

Answer: there are a total of 7 marbles

Step-by-step explanation:

The chance of the first marble being blue is 4/7. Now we only have 6 marbles in the bag (3 red and 3 blue)

The chance of the second marble being blue is 3/6

8 0
3 years ago
Read 2 more answers
Write the equation of the line perpendicular to
r-ruslan [8.4K]
Solving for y, we add 5y to both sides and subtract 4, getting 9x-4=5y. Dividing both sides by 5, we get 9x/5-4/5=y. Since the slope is 9/5 (since 9/5*x=9x/5), we multiply it by -1 and find the reciprocal of it to get -5/9 as the perpendicular slope, so -5x/9+b=y. Plugging 1 in for x and -6 in for y, we get -5*1/9+b=-6 and by adding 5/9 to both sides we get -5-4/9=b , and since in y=mx+b y and x are variables, we end up with y=-5x/9+(-5-4/9) for slope intercept form.

To get it into standard form, we need it in ay+cx=b with a, b, and c being constants. Adding 5x/9 to both sides, we end up with y+5x/9=(-5-4/9) for standard form


5 0
4 years ago
A ladder is placed 10 feet away from a tree. The length of the ladder is 25 feet. Find the height of the tree?
Dimas [21]

Answer:

23ft approx

Step-by-step explanation:

Given data

Distance from tree= 10ft

Length of ladder= 25ft

We can find the height of the tree by applying the Pythagoras theorem

z^2= x^2+y^2

z= The height of the ladder

x= The distance from the tree

y= The height of the tree

25^2= 10^2+ y^2

625=100+y^2

625-100=y^2

525=y^2

y= √525

y= 22.91

Hence the height of the tree is 23ft approx

7 0
3 years ago
My cake recipe calls for 2/3 cup of chocolate chips. I want my cake to be three
Marizza181 [45]
You should use 2 cups of chocolate

8 0
3 years ago
Explain how comparing 645 and 738 different from comparing 645 and 649
pantera1 [17]
For 645 and 738:
 
For these numbers we have that the difference between both is:
 738 - 645 = 93

 For 645 and 649:
 
For these numbers we have that the difference between both is:
 649 - 645 = 4

 Therefore, comparing the first two numbers of the second two numbers is different because the difference between the first two numbers is much larger.

 Answer:
 
The difference between the first two numbers is much greater than the difference between the second two numbers.
8 0
4 years ago
Read 2 more answers
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