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lianna [129]
3 years ago
12

If OB= 2x+1 and BR = 3x-10 then OR=

Mathematics
2 answers:
Slav-nsk [51]3 years ago
8 0

Answer:

Wish i could help you rock

Step-by-step explanation:

Kobotan [32]3 years ago
5 0

Answer:

5x-9

Step-by-step explanation:

Combine like terms.

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Is one half of a number y is less than 20?
timama [110]

Divide two from each side and get Y=10


y=10

3 0
3 years ago
The number of phone calls between two​ cities, N, during a given time period varies directly as the populations p 1 and p 2 of t
kherson [118]

Answer:

∴73,563 calls are made between two cities with populations of 100,000 and 160,000 that are 435 miles apart.

Step-by-step explanation:

Given that,

The number of phone calls between two cities (N )

  • directly proportional as the value of populations p_1  and p_2  of two cities.
  • Inversely varies as the magnitude of distance (d).

N\propto\frac{p_1p_2}{d}

N=k.\frac{p_1p_2}{d}

Given that,

N=18,000, d=310 miles,  p_1=15,500 and p_2=180,000

18,000=k.\frac{15,500\times 180,000}{310}

\Rightarrow k=\frac{18,000\times310}{15,500\times 180,000}

\Rightarrow k=\frac{31}{15,500}

Now,

N=? , d=435 miles,  p_1=100,500 and p_2=160,000

N=\frac{31}{15,500}.\frac{100,000\times 160,000}{435}

\Rightarrow N\approx 73,563

∴73,563 calls are made between two cities with populations of 100,000 and 160,000 that are 435 miles apart.

5 0
3 years ago
The number of entertainment websites in 1995 was 54. By 2004, there were 793 entertainment websites.
Bingel [31]

Answer:

82 websites per year.

Step-by-step explanation:

take the difference in the number of websites from both years, divide it by the year difference (9) to find how many per year were created

4 0
3 years ago
Consider points R, S, and T.
fgiga [73]
Points R, S, and T are coplanar
7 0
3 years ago
Find the area of the base of each cone​
EastWind [94]

area = π times radius squared

6 0
3 years ago
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