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Alona [7]
2 years ago
10

I really need help, this is probability and statistics, if anyone else is taking this class, please help, it is a unit test stud

y guide.

Mathematics
2 answers:
VMariaS [17]2 years ago
7 0

I can't see the picture good

Vikki [24]2 years ago
3 0

Answer:

id like to help but the picture is really blurry so im afraid that i cant. but i know there are others who can!

Step-by-step explanation:

i hope this helps you!

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He floor of a moving van is 3 feet off of the ground. The ramp into the van makes a 12° angle with the ground. About how long is
soldier1979 [14.2K]

Given :

Hight of the van from the ground, h = 3 feet.

The ramp into the van makes a 12° angle with the ground.

To Find :

How long is the ramp.

Solution :

Let, length of ramp is l .

So, height of ramp in terms of length is given by :

h = l \times sin\ 12^o\\\\l = \dfrac{h}{sin \ 12^o}\\\\l = \dfrac{3}{sin \ 12^o}\\\\l = 14.429 \ feet

Hence, this is the required solution.

8 0
2 years ago
A printer makes more than 3 copies of a book every hour. How many books can the printer make in 4 hours?
sineoko [7]

Answer:

12

Step-by-step explanation:

4 x 3 is 12

7 0
2 years ago
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Which graph shows this system of equations?
SashulF [63]

Answer:

I believe it is B tell me if I am wrong please

8 0
2 years ago
Plz help me solve this question ASAP without using algebra, Thank u‼️
VashaNatasha [74]

Let cost of 1 box of red pen = x

Let cost of 1 box of black pen = y

Gaga bought 5 red box and her sister 4 black box then total cost is given by

5x+4y

Given that total cost was $44

so equation will be 5x+4y=44...(i)

After exchange

Gaga= 4 red box + 1 Black box

Sister = 1 red box + 3 Black box

then cost for Gaga = 4x+1y

cost for sister = 1x+3y

Given that cost for both after exchange is same so we get

4x+1y = 1x+3y

or 4x-1x = 3y-1y

or 3x = 2y

or 3x/2=y ...(ii)

plug (ii) into (i)

5x+4y=44

5x+4(3x/2)=44

5x+12x/2=44

5x+6x=44

11x=44

x=4

Now plug value of x into (ii)

y=3x/2=3*4/2=12/2=6

Hence cost of 1 box of red pen = $4

And cost of 1 box of black pen = $6

---

If you want to get solution without solving both equations then just graph both equations and find the intersection point.

You will see that graph intersect at (4,6) which gives x=4, y=6

6 0
2 years ago
Which of these coordinate pairs are on the same vertical line?
iren2701 [21]

Answer:

D

Step-by-step explanation:

6 0
3 years ago
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