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blagie [28]
4 years ago
10

Who can help me with number 14

Mathematics
2 answers:
Rzqust [24]4 years ago
5 0
(Original Price $425.4)

$328 × 30% = 98.4
328 + 98.4 = $426.40
saul85 [17]4 years ago
5 0
100% - $328 - the price with the 30% off
130% - $?
10% - $?

Let's find by proportion:
1) \frac{328*130}{100} = $426,4 - the price of the ski set without the  EXTRA 30% off.

2) \frac{426,4*10}{100} = $42,64 - the 10% off.

3) $426,4 + $42,64 = $469,04 - the original selling price of the ski set.
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Jake won 7 of the 15 races he ran. Write Jake's fraction of decimal. wins as a
denis-greek [22]

Answer:

0.46

Step-by-step explanation:

7 0
3 years ago
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Weights were recorded for all nurses at a particular hospital, the mean weight for an individual nurse was 135 lbs. with a stand
Aloiza [94]
Given:
population mean, μ =135
population standard deviation, σ = 15
sample size, n = 19

Assume a large population, say > 100,
we can reasonably assume a normal distribution, and a relatively small sample.
The use of the generally simpler formula is justified.

Estimate of sample mean
\bar{x}=\mu=135

Estimate of sample standard deviation
\s=\sqrt{\frac{\sigma^2}{n}}
=\sqrt{\frac{15^2}{19}}=3.44124  to 5 decimal places.

Thus, using the normal probability table,
P(125
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=P(Z

Therefore 
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3 0
3 years ago
I don’t get this please help ASAP
jek_recluse [69]

Answer:

AE = 70

Step-by-step explanation:

Given that ACE is a triangle and B , D , F are mid-points of AC, CE, AE respectively.

⇒ BF, FD, BD are mid-segments.

Mid-segment is a line segment joining mid points of two sides of a triangle,

And it as two properties :

1) mid-segment is always parallel to the third side

2) mid-segment is half in length of the third side

⇒ Here, BD is the mid-segment and is parallel to third side AE

And also BD is half of AE

⇒ AE = 2×BD = 2×35

⇒ AE = 70.    

3 0
3 years ago
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sergeinik [125]

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Its area is


4+8

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2


The lower part consists of two congruent triangles. The area of a triangle is

A = (1/2)(b)(h). Here, A = (1/2) (4)(5.75) = 11.5, so the area of both triangles is 23 cm^2.


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3 years ago
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Find all complex solutions of 3x^2-6x+1=0
eimsori [14]

Answer:

x=\frac{3+\sqrt{6} }{3}, \frac{3-\sqrt{6} }{3}

Step-by-step explanation:

8 0
2 years ago
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