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NemiM [27]
3 years ago
14

Find the probability of winning a lottery by selecting the correct six integers, where the order in which these integers are sel

ected does not matter, from the positive integers not exceeding
a) 50 b) 52 c) 56 d) 60
Mathematics
1 answer:
lora16 [44]3 years ago
5 0

Hey there,

The answer is A: 50

:)

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Find the area of the shaded region.
Ghella [55]
This is a rhombus and in any rhombus, the diagonals intersects in the middle and they are perpendicular:
So all 4 triangles are right triangles and the sides are the hypotenuses.
1st) Calculate the sides: hypotenuse² = 3² + 4² = 25, and hypotenuse = 5

The area of each right triangle is (4 x 3)/2 = 6 units²
And the area of the 4 right triangles = 4 x 6 = 24 init²

4 0
3 years ago
How to do this question
blsea [12.9K]
This is a 3 step problem. First you ignore the hole in the middle and find the volume anyways. Then you find the volume of the empty middle part. Then you can find the volume of the actual shape by subtracting them. 
area of a circle is= pi r^2
Volume with hole: 5*5*pi*8=200pi
Volume of hole= 1.5*1.5*pi*8= 18pi
Volume of doughnut = 200pi-18pi=182pi=571.769863u^3

r is the radius which is half of the diameter. 
pi is a big number but you can use 3.14
the formula for finding the volume is area of base times height. That's why i multiplied it by 8.]

I hope this helps
8 0
3 years ago
Dylan and his children went into a grocery store and where they sell peaches for $1 each and mangos for $0.50 each. Dylan has $1
mafiozo [28]

Answer:

8 mangoes

Step-by-step explanation:

1) lets create 2 systems of inequalities

where m=# of mangoes

            p=# of peaches

so m+p≥15 and 1m+0.5p≤15

lets substitute "13" in  the m+p inequality to see how many mangoes dylan can buy:

m+(13)≥15

subtract "13" from both sides:

m≥2

now we substitute "13" in the other inequality:

m+0.5(13)≤15

m+6.5≤15

subtract 6.5 from both sides:

m≤8.5

m≥2 and m≤8.5

seeing our restriction, we can buy 8 mangoes (since we can't have 1/2 a mango)

hope this helps!

3 0
3 years ago
linda saved 2 ten-dollar bills, 4 five- dollar bills, and 15 one-dollar bills, Harry saved 16 more than linda how much does harr
telo118 [61]
Harry has 71 becasue its 20 + 20 + 15 + 16
7 0
3 years ago
Read 2 more answers
Find the balance of the account using the simple interest formula of I=Prt
prohojiy [21]

Given:

Principal = $1400

Simple rate of interest = 1.25%

Time = 6 month

To find:

The balance of the account after simple interest.

Solution:

The formula for simple interest is

I=\dfrac{P\times r\times t}{100}

Where, P is principal, r is the rate of interest in % and t is time in years.

Time = 6 months

        = \dfrac{6}{12} year

        = 0.5 year

Putting 1400, r=1.25, t=0.5 years.

I=\dfrac{1400\times 1.25\times 0.5}{100}

I=\dfrac{875}{100}

I=8.75

Now, the amount is

A=P+I

A=1400+8.75

A=1408.75

Therefore, the balance of the account after the simple interest is $1408.75.

5 0
2 years ago
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