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Vinvika [58]
3 years ago
13

The scale of a map says that 6 cm represents 15 km.

Mathematics
1 answer:
atroni [7]3 years ago
5 0
37.5 km is equal to 15 cm
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The number of purses a vendor sells daily has the probability distribution represented in the table. Number of Purses, x 0 1 2 3
Arada [10]

Answer:

(D)$81

Step-by-step explanation:

Given that the number of purses a vendor sells daily has the probability distribution represented in the table.

Expected Value, E(x)=\sum_{i=1}^{n}x\cdot p(x)

Therefore:

E(x)=(0X0.35)+(1X0.15)+(2X0.2)+(3X0.2)+(4X0.03)+(5X0.07)\\=0+0.15+0.4+0.6+0.12+0.35\\E(x)=1.62

If each purse sells for $50.00, the number of expected daily total dollar amount taken in by the vendor from the sale of purses

=Expected Value X $50

=1.62 X $50

=$81

The correct option is D.

6 0
4 years ago
a system of equations has infinitely many solutions. if 2y – 4x = 6 is one of the equations, which could be the other equation?
deff fn [24]
<span>A system of equations has infinitely many solutions when the two lines representing the equations coincide. i.e. the two equations are the same or a multiple of each other.
2y - 4x = 6
2y = 4x + 6
2y = 2(2x + 3)
y = 2x + 3
-y = -(2x + 3)
-y = -2x - 3
Hence the other equation is -y = -2x - 3</span>
4 0
3 years ago
Read 2 more answers
The discount on a new stereo was $180. This was a discount of 18%. What was the original selling price?
vladimir2022 [97]

Answer:

$212.40

Step-by-step explanation:

180+ (180* 18%)= Total Cost

180+ 32.40= Total Cost

212.40= Total Cost

8 0
3 years ago
Solve for w.<br> 69=5w – 16<br> Simplify your answer as much as possible.
7nadin3 [17]
W=17 im too good at math to be wrong about this
3 0
3 years ago
Read 2 more answers
Which statement is true about the difference 2 square root of 7 − square root of 26?
lora16 [44]

2√7 - √26 ≈ 5.29150262213... - 5.09901951359...

... ≈ 0.19248310854...

The result is an irrational number not described by any of your answer selections.

None of the statements is true.

7 0
4 years ago
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