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tresset_1 [31]
3 years ago
5

Harry and Larry are having a barbecue dinner. The probability of Harry staining his shirt during the dinner is

Mathematics
2 answers:
Anettt [7]3 years ago
8 0

Answer:

A

Step-by-step explanation:

Aleks04 [339]3 years ago
6 0

Answer:

Harry stains his shirt during the dinner.

Step-by-step explanation:

P (Harry stains his shirt during the dinner) = \frac{1}{5} = 0.2

P (Larry stains his shirt during the dinner) = 15%% = 0.15

0.2 > 0.15

It is more likely that Harry stains his shirt during the dinner.

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Humans can hear sounds with frequencies up to 20,000 Hz, while dolphins can hear sounds as high as 150,000 Hz. Write these numbe
Goshia [24]
20,000 Hz = 2 × 10^4 Hz

150,000 Hz = 1.5 × 10^5 Hz
4 0
3 years ago
The value of n is both 5 times as much as the value of m and 36 more than the value of m. What are the values of n and m? Explai
tia_tia [17]
N = 5m
n = m + 36

since n is equal to both the expression in m we can say:-

5m = m + 36
4m=36

m = 9 

and n = 5*9 = 45

3 0
3 years ago
Joe took $12 to the arcade each game cost $.50 to play. this situation can be modeled with the equation y=-.50x + 12.
inysia [295]

Answer:

.5

Step-by-step explanation:

The slope is what you multiply x by in a linear equation

7 0
3 years ago
Two groups of friends go to a basketball game. Each group plans to share snacks. The first group buys 5 drinks and 6 pretzels fo
tatuchka [14]

Answer:

the price for one pretzel was $1.75

Step-by-step explanation:

d for drinks

p for pretzel

3d + 3p = 9

3d = 9 -3p

d = 3 - p

replace d = 3 - 9 into 4d + 2p = 8.5

4d + 2p = 8.5

4(3 - p) + 2p = 8.5

12 - 4p + 2p = 8.5

-2p = 8.5 - 12

-2p = -3.5

p = 1.75

3 0
3 years ago
A2-b2 ÷5a-5b factorise​
katrin2010 [14]

Answer:

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "b2"   was replaced by   "b^2".  1 more similar replacement(s).

STEP

1

:

           5a + 5b

Simplify   ———————

           a2 - b2

STEP

2

:

Pulling out like terms

2.1     Pull out like factors :

  5a + 5b  =   5 • (a + b)  

Trying to factor as a Difference of Squares:

2.2      Factoring:  a2 - b2  

Theory : A difference of two perfect squares,  A2 - B2  can be factored into  (A+B) • (A-B)

Proof :  (A+B) • (A-B) =

        A2 - AB + BA - B2 =

        A2 - AB + AB - B2 =

        A2 - B2

Note :  AB = BA is the commutative property of multiplication.

Note :  - AB + AB equals zero and is therefore eliminated from the expression.

Check :  a2  is the square of  a1  

Check :  b2  is the square of  b1  

Factorization is :       (a + b)  •  (a - b)  

Canceling Out :

2.3    Cancel out  (a + b)  which appears on both sides of the fraction line.

Final result :

   5 / a -b  

 

 

Step-by-step explanation:

3 0
3 years ago
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