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stepan [7]
3 years ago
15

The age of a father is 2 less than 7 times the age of his son. In 3 years, the shn kf their ages will be 52. If the sons present

age is 5 years, whoch equation models this situation
Mathematics
1 answer:
creativ13 [48]3 years ago
4 0
Let x stand for father
(7*5)-2=x
(5+3)+(x+3)=52

x=33
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An arc subtends a central angle measuring
barxatty [35]

Answer:

The arc is one-third of the circumference.

Step-by-step explanation:

The area of a circumference = 2πr

C = 2πr ... (1)

If an arc subtends a central angle measuring 2π/3 rad,

The length of the arc = rθ

Given θ = 2π/3

Length of the arc L = r(2π)/3

L = 2πr/3... (2)

L = 1/3(2πr)

Since C = 2πr

L = 1/3C

This shows that the arc is one-third of the circumference.

6 0
3 years ago
Brandon rolls a six sided die twenty times, and records the result in the table below. how many times did brandon roll above the
Radda [10]

The average is the arithmetic mean of all the observations of a set of numbers. The number of times Brandon rolls above the average is 7.

<h3>What is average?</h3>

The average is the arithmetic mean of all the observations of a set of numbers. it is found by dividing the sum of all the observations of the set by the number of observations in the set.

\rm{Average=\dfrac{Sum\ of\ observations}{Number\ of\ observations}

In order to know the number of times Brandon rolls the dice above the average, we first need to calculate the average of the twenty rolls.

The average of the 20 times dice rolls,

\rm Average = \dfrac{6+1+3+4+4+4+6+5+5+3+6+4+4+5+2+3+5+4+4+2}{20}

\rm Average = \dfrac{80}{20} = 4

Thus, the average of the 20 rolls of the dice is 4.

Now, the number of times the result of the dice roll is above 4(x>4) is 7.

Hence, the number of times Brandon rolls above the average is 7.

Learn more about Average:

brainly.com/question/2426692

8 0
2 years ago
NEED HEELLLLPPPPPP!!
Tju [1.3M]
It looks equivalent.

Do the Pythagorean theorem on the triangle shown.
2.1^2-1.4^2

4.2-1.96=2.24

Sqrt of 2.24 is 1.496 or 1.5
Now multiply this by 2 to get the length of x

HOPE THIS HELPS
6 0
3 years ago
Rachael and Sarah spent $8 for gasoline, $15.65 for their lunch, and $5 a piece for gifts for Grandma. Grandma gave each of them
Andrei [34K]
Rachel and sarah spent a total of $33.65
so they have $16.35 left for return trip

~~~hope this helps~~~       ~~davatar~~
5 0
3 years ago
Read 2 more answers
Please please please help me!! I'll give 5 stars and thanks!
ipn [44]
F(1) = -2

hope it helps

---------------------------------
4 0
4 years ago
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