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Vanyuwa [196]
3 years ago
10

Please help right now

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
4 0

Answer:

Step-by-step explanation:

1)for question one you flip a coin 50 times, dogs can be heads tail can be cats

for question 2 (the coin simulates chance, while the heads or tales represents the posibility for dog or cat and by fliping we can see that posibility.

4) (use the cart )

5) repet again (coin flip)

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Four universities—1, 2, 3, and 4—are participating in a holiday basketball tournament. In the first round, 1 will play 2 and 3 w
notsponge [240]

Answer:

a) S= (1324

1342

1423

1432

2314

2341

2413

2431

3124

3142

3214

3241

4123

4132

4213

4231)

b) A= (1324

1342

1423

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Step-by-step explanation:

The number of total outcome is given by,

T= 4×2×2×1=16

Listing them we have;

S=

(1324

1342

1423

1432

2314

2341

2413

2431

3124

3142

3214

3241

4123

4132

4213

4231)

b) A= (1324

1342

1423

1432)

7 0
3 years ago
there are 20 ounces of water in a glass. someone drinks 55%of the water. how many ounces of water is left?
dimulka [17.4K]
Given:
20 ounces of water
someone finishes 55% of water
What is left?

20 × 0.55    (55% = \frac{55}{100} = 0.55)
11 

20 - 11 = 9
There are 9 ounces of water left

5 0
3 years ago
Hurry Answer please..
mars1129 [50]

Answer:

B

Step-by-step explanation:

Ireland is the island on the left, so the north is on the top of Ireland.

4 0
3 years ago
Read 2 more answers
Quadratic formula<br><br> X2-3x+2=0
snow_tiger [21]
x^2-3x+2=0\\\\a=1;\ b=-3;\ c=2\\\\\Delta=b^2-4ac\\\\\Delta=(-3)^2-4\cdot1\cdot2=9-8=1\\\\x_1=\frac{-b-\sqrt\Delta}{2a};\ x_2=\frac{-b+\sqrt\Delta}{2a}\\\\\sqrt\Delta=\sqrt1=1\\\\x_1=\frac{3-1}{2\cdot1}=\frac{2}{2}=1;\ x_2=\frac{3+1}{2\cdot1}=\frac{4}{2}=2\\\\Answer:x=1\ or\ x=2.


x^2-3x+2=(x-1)(x-2)
8 0
4 years ago
Read 2 more answers
Sin x = cos (3x + 20)
Alenkasestr [34]

Answer:

x=17.5^o

Step-by-step explanation:

<u><em>The question is </em></u>

Find the value of x

we know that

If  sin(A)=cos(B)

then

angle A and angle B are complementary angles

so

A+B=90^o

In this problem

sin(x)=cos(3x+20)

so

x^o+(3x+20)^o=90^o

solve for

4x+20=90

4x=90-20

4x=70

x=17.5^o

3 0
4 years ago
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