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RideAnS [48]
3 years ago
10

Which is a solution to 2(x + 4) - 1 = 15?

Mathematics
2 answers:
Nata [24]3 years ago
4 0
Add 1 to both sides
Divide both sides by 2
Minus 4 from both sides
X=4
Triss [41]3 years ago
3 0

Answer:

X= 4

Step-by-step explanation:

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Points C and D divide the semicircle into three equal parts. Match the angles with their measures.
Tresset [83]
∠CAE = 120°
∠CAD = 60°
∠BAE = 180°
∠DEC = 30°

We start out with the fact that points C and D split the semicircle into 3 sections.  This means that ∠BAC, ∠CAD and ∠DAE are all 60° (180/3 = 60).

Since it forms a straight line, ∠BAE is 180°.

Since it is formed by ∠CAD and ∠DAE, ∠CAE = 60+60 = 120°.

We know that an inscribed angle is 1/2 of the corresponding arc; since CD is 1/3 of the circle, it is 1/3(180) = 60; and this means that ∠DEC = 30°.
7 0
3 years ago
Read 2 more answers
Find the area of the figure . Sides meet at right angles .
AlexFokin [52]

Answer:

49,152

Step-by-step explanation:

top side=12ft

5 bottom sides=4ft each

2 L,R sides=2ft each

= 12×4×4×4×4×4×2×2

= 49,152

3 0
2 years ago
Read 2 more answers
The weight, X, of cherry tomatoes selected at random from a very large bin at the local supermarket follows a Normal distributio
Vesna [10]

Answer: the probability that exactly 5 of the 8 cherry tomatoes weigh less than 4 oz is 0.05

Step-by-step explanation:

Given that;

X has normal distribution has mean µ = 3

standard deviation σ = 2  

now

P( x< 4) = P( (x-µ)/σ /(3-4)/5)

= P( z < -0.5 )

= 0.3085  {from the z-table}

X has binomial distribution with n = 8 and p = 0.3085

so P(x=5)

P(x=5) = 8C₅(0.3085)⁵ (1 - 0.3085)⁸⁻⁵

= 0.0517  ≈ 0.05

Therefore the probability that exactly 5 of the 8 cherry tomatoes weigh less than 4 oz is 0.05

7 0
3 years ago
Is a integer a rational number
mel-nik [20]
Yes. it is. a rational number includes whole,natural and integers
3 0
3 years ago
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Neeeeeed helllllpppp
tester [92]
Your answer is:
u = x + 3
4 0
3 years ago
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