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IRISSAK [1]
3 years ago
11

A girl asks her father how many ties he has and he answers with a riddle: "Seven-eighths of my ties plus six." How many ties doe

s her father have?
Mathematics
2 answers:
Elena L [17]3 years ago
5 0
The father has a total of 48 ties
Vanyuwa [196]3 years ago
4 0
You can make a linear equation to solve. Let x be the number of ties he has.  \frac{7x}{8} + 6 = x is the same as the problem given. Subtract \frac{7x}{8} on both sides to get 6 = \frac{x}{8}, and by multiplying 8 on both sides we get x = 48. The father then has 48 ties.
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steposvetlana [31]
They all ready did half the equation for u so all u have to do is 240 times 8= 1920 cubed inches
5 0
3 years ago
A rectangular prism with dimensions 5 inches by 13 inches by 10 inches was cut to leave a piece as shown in the image. What is t
vesna_86 [32]

Answer:

Volume of the piece in the picture = 350 cubic inches

Volume of the remaining piece = 300 cubic inches

Step-by-step explanation:

Given question is incomplete without the picture; here is the picture as an attachment.

Volume of the rectangular prism = Length × width × height

V = 5 × 13 × 10

  = 650 cubic inches

Now volume of the piece given in the picture = Volume of prism at the base + Volume of the prism with triangular base

= 10×5×1 + (\text{Area of the triangular base})\times (\text{Height})

= 50 + \frac{1}{2}\times (12\times 5)\times 10

= 50 + 300

= 350 cubic inches

Volume of the other piece = 650 - 350

                                            = 300 cubic inches

5 0
3 years ago
A pilot flying at an altitude of 1.8km sights the runway directly in front of her. The angle of depression to the beginning of t
Dennis_Churaev [7]

Answer:

The answer is a

Step-by-step explanation:

The distance from the near end of the runway to the plane, divided by the altitude is the tangent of (90 degrees minus the angle of depression). Let "d1" be the distance to the near end of the runway, and "d2" be the distance to the far end of the runway. Let "a" be the altitude of the plane.


d1/a = tan(90 - 31)


d1 = a*tan(90 - 31)


d2/a = tan(90 - 23)


d2 = a*tan(90 - 23)


runway length = d2 - d1 = a*(tan(67) - tan(59))


length = 1800*(.6916) = 1245m = 1.2km


the answer is "a"

6 0
3 years ago
Read 2 more answers
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Elena-2011 [213]

Answer:


Step-by-step explanation:

center (-2,-1), Diameter 4

4 0
3 years ago
Find the equation of the straight lines passing through the point (5,0) and making an angle 45o with the line 4x - 5y + 9 = 0​
shepuryov [24]
<h3>Answer: Well   the answer is 65232</h3>

Step-by-step explanation:

well it is kindof

3 0
3 years ago
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