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Alja [10]
3 years ago
15

Two numbers have a difference of 0.7 and a sum of 1. What are the numbers?

Mathematics
2 answers:
fiasKO [112]3 years ago
8 0
0.85 and 0.15

simultaneous equations.
AleksAgata [21]3 years ago
8 0
If the numbers are x an y we have:-

x + y = 1
x - y = 0.7     Adding:-

2x = 1.7
x = 0.85  


y = 1 - 0.85 = 0.15


Answer:- the 2 numbers are 0.85 and 0.15  Answer


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A rectangular computer monitor is measured by the length and width of its display resolution. Three different monitors are descr
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Answer: Monitors A and B

Step-by-step explanation:

The similar monitors based on display resolution are those with similar ratios.

Take the ratios to their simplest forms to see which are similar.

Monitor A

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Monitor B

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Monitor C

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<em>Monitors A and B are similar as they have the same display ratio. </em>

3 0
3 years ago
form a height of 38 meters above sea level, two ships are sighted due west. the angles of depression are 53 degrees and 28 degre
Volgvan

Answer:

d(apart are the ships)=42.8 meters

Step-by-step explanation:

Given data

h (height)=38m

Ф₁=53°

Ф₂=28°

d(how far apart are the ships)=?

Solution

d₅₃°(distance to ship at 53°)=h/tanФ₁

d₅₃°=38/tan(53°)

d₅₃°=28.6m

now

d₂₈°(distance to ship at 28°)=h/tanФ₂

d₂₈°=38/tan(28°)

d₂₈°=71.4m

d(apart are the ships)=d₂₈°-d₅₃°

d(apart are the ships)=71.4-28.6

d(apart are the ships)=42.8 meters

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SIZIF [17.4K]

Answer:

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