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lesya [120]
3 years ago
13

The sum of the largest and smallest of three consecutive numbers is 180. Find all three

Mathematics
1 answer:
elena-s [515]3 years ago
7 0
 x,x+2,x+4  the answer here is how i got it  =x+x+2+x+4=180 
=3x=174 
=x=58
x=58 
x+2=58+2=60 
x+4=58+4=62 
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Sam decides to build a square garden. If the area of the garden is 25x2 + 30x + 9 square feet, what is the length of one side of
seropon [69]
The correct answer is C. (5x+3) feet, and here is how I got it.
This is the equation you need to use:
(a+b)^2 = (a+b) (a+b)
So, let us plug in 5x and 3 here:
(5x+3)^2 = (5x+3)(5x+3) = 25x^2 + 15x + 15x + 9 = 25x^2 + 30x + 9 which is the area of the garden. 
5 0
3 years ago
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Ivan

Answer:

ly/3fcEdSx link for answer

3 0
2 years ago
An unfair coin with​ Pr[H] = 0.75 is flipped. If the flip results in a​ head, a student is selected at random from a class of si
Agata [3.3K]

Answer:

72.73% probability of selecting a​ girl, given the flip resulted in​heads

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

Coin resulted in heads

Student is selected at random from a class of six boys and sixteen girls.​

Desired outcomes:

16 girls, so D = 16

Total outcomes:

16+6 = 22, that is, 22 students, so T = 22

Probability:

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72.73% probability of selecting a​ girl, given the flip resulted in​heads

7 0
3 years ago
When comparing two box-plots that show the same type of information, what determines agreement within the data?
Vesna [10]
The mean of each data set
6 0
2 years ago
Bella wants to know how tall the oak tree in her back yard is, so she picks
melamori03 [73]

Answer:

B = 62.9ft

Step-by-step explanation:

The distance where she is from the oak tree is 75ft,

The angle of elevation the stone makes with the top of the oak tree is 40°

The height of the tree is x ft

See attached document for better illustration

Using SOHCAHTOA,

Tanθ = opposite/ adjacent

θ = 40°

Opposite = x ft

Adjacent = 75ft

Tan40 = x / 75

X = 75 × tan40

X = 75 × 0.8390

X = 62.92ft

The height of the oak tree is 62.9ft

5 0
2 years ago
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