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Leno4ka [110]
3 years ago
13

The frequency table was made using a deck of cards in which each card is numbered 1, 2, 3, or 4.

Mathematics
1 answer:
lbvjy [14]3 years ago
6 0

Answer:

Step-by-step explanation:

So the table means that there are 20 1's, 120 2's, 40 3's, and 20 4's.

The total number is 20+120+40+20 = 200.

So the probability of each is:

1: 20/200 = 0.10

2: 120/200 = 0.60

3: 40/200 = 0.20

4: 20/200 = 0.10

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W<br><img src="https://tex.z-dn.net/?f=4%20%5Cdiv%205" id="TexFormula1" title="4 \div 5" alt="4 \div 5" align="absmiddle" class=
ELEN [110]

Answer:.8

Step-by-step explanation:

The 5 would go on the outside

  and four would go on the inside. Because 5 can't go into 4 evenly, add a decimal and a 0 after the 4. now we have 40 divided by 5. the answer is 0.8

7 0
3 years ago
If (14,25) and (9,-10) are two anchor points on a trend line, then find the equation of the line.
posledela

Answer:

y= 7x-73

Step-by-step explanation:

the equation form is y=mx+c where m is the slope and c a constant

m= (25-(-10))/14-9 = 35/5 = 7

so y= 7x+c

replace x and y by 14 and 25 respectively

25 = 7*14+c

c= 25-7*14

c = -73

so y= 7x-73

3 0
2 years ago
In angle PQR, angle P = (4x – 14)º, angle Q = (5x + 6)", and angle R= (x - 2)°. Find<br> angle R.
vekshin1

we have: ∠P + ∠Q + ∠R = 180°

<=> (4x – 14)º + (5x + 6)° + (x - 2)° = 180°

<=> 4x – 14 + 5x + 6 + x - 2 = 180°

<=> 10x - 10 = 180°

<=> 10x = 190

<=> x = 19°

So: ∠R = (x - 2)° = (19 - 2)° = 17°

ok done. Thank to me :>

5 0
2 years ago
A carpenter uses 10 1/2 ft of cedar for every 12 1/3 ft of redwood for a construction project. If the carpenter uses 5 1/4 ft of
motikmotik

Answer: 6 1/6

Step-by-step explanation:

1) First divide 10 1/2 = 5 1/4.

2) Then, since we divide 10 1/2 then we need to divide 12 1/3.

3) 12 1/3 divided by 2 = 6 1/6.

And there is your answer; 6 1/6

8 0
3 years ago
90. Find 33.3% of 81.
Vinvika [58]
33.3% x 81
0.333 x 81
=26.973 answer
3 0
2 years ago
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