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goblinko [34]
4 years ago
13

Yoko made 4 identical necklaces, each having beads and a pendant. The total cost of the beads and pendants for all 4 necklaces w

as $17.20 . If the beads cost a total of $9.60 , how much did each pendant cost?
Mathematics
2 answers:
aniked [119]4 years ago
7 0
$1.90 for each pendant

Can you please give me the brainliest answer? I am trying to get to the next rank, and my friend and I are competing :)
mestny [16]4 years ago
6 0
$1.90for each pendent
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Define intersecting lines
kakasveta [241]

Answer:

lines that meet at a point

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At higher elevations water boils at lower temperatures. The temperature at which water boils is called the boiling point of wate
Leya [2.2K]
B(x) = 100 - 3.5x
84 = 100 - 3.5x
3.5x = 100 - 84 = 16
x = 16/3.5 = 4.6 kilometers

96 = 100 - 3.5x
3.5x = 100 - 96 = 4
x = 4/3.5 = 1.1 kilometers

Therefore, the boiling point of water is between 84°C and 96°C at elevations of between 4.6 kilometers and 1.1 kilometers.
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3 years ago
The average score of all pro golfers for a particular course has a mean of 70 and a standard deviation of 3.0 (Think of these as
bija089 [108]

Answer:

0.477 is  the probability that the average score of the 36 golfers was between 70 and 71.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 70

Standard Deviation, σ = 3

Sample size, n = 36

Let the average score of all pro golfers follow a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P(score of the 36 golfers was between 70 and 71)

\text{Standard error of sampling} = \displaystyle\frac{\sigma}{\sqrt{n}} = \frac{3}{\sqrt{36}} = \frac{1}{2}

P(70 \leq x \leq 71) = P(\displaystyle\frac{70 - 70}{\frac{3}{\sqrt{36}}} \leq z \leq \displaystyle\frac{71-70}{\frac{3}{\sqrt{36}}}) = P(0 \leq z \leq 2)\\\\= P(z \leq 2) - P(z \leq 0)\\= 0.977 - 0.500 = 0.477= 47.7\%

P(70 \leq x \leq 71) = 47.7\%

0.477 is  the probability that the average score of the 36 golfers was between 70 and 71.

8 0
3 years ago
1 At the post office 55% of the packages ship as priority mail. If 160 packages are
ziro4ka [17]

Answer:

72

Step-by-step explanation:

45% did not get shiped so 160*.45=72

6 0
3 years ago
I need help asap thanks
Sunny_sXe [5.5K]
V=hb

h= \frac V b

h = \dfrac{ x^3 - 3x^2 + 5x - 3}{x^2 -2}

Expressing that as a quotient and remainder,

h =x - 3 = \dfrac{ 7 x - 9} { x^2 - 2}

First choice.



7 0
3 years ago
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