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Dafna11 [192]
3 years ago
12

5 stars and brainliest

Mathematics
1 answer:
s2008m [1.1K]3 years ago
8 0

Answer:

C) \: x > 1

Step-by-step explanation:

- 3 + 5x < 7x - 5 \\ \Leftrightarrow 7x - 5x > 5 - 3 \\ \Leftrightarrow 2x > 2 \\\Leftrightarrow x > 1

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“I​ ​am​ ​thinking​ ​of​ ​a​ ​number​ ​such​ ​that​ ​6​ ​less​ ​than​ ​the​ ​product​ ​of​ ​7​ ​and this​ ​number​ ​is​ ​85.”​ ​
Arada [10]

let x = the number

 7x - 6 =85

add 6 to each side

7x =91

divide each side by 7

x = 91 /7 = 13

Answer is B 13

4 0
3 years ago
Read 2 more answers
Assume that the lines that appear to be tangent are tangent p is the center if each circle find x. ​
Elodia [21]

Answer:

Step-by-step explanation:

Problem One

All quadrilaterals have angles that add up to 360 degrees.

Tangents touch the circle in such a way that the radius and the tangent form a  right angle at the point of contact.

Solution

x + 115 + 90 + 90 = 360

x + 295 = 360

x + 295 - 295 = 360 - 295

x = 65

Problem Two

From the previous problem, you know that where the 6 and 8 meet is a right angle.

Therefore you can use a^2 + b^2 = c^2

a = 6

b =8

c = ?

6^2 + 8^2 = c^2

c^2 = 36 + 64

c^2 = 100

sqrt(c^2) = sqrt(100)

c = 10

x = 10

Problem 3

No guarantees on this one. I'm not sure how the diagram is set up. I take the 4 to be the length from the bottom of the line marked 10 to the intersect point of the tangent with the circle.

That means that the measurement left is 10 - 4 = 6

x and 6 are both tangents from the upper point of the line marked 10.

Therefore x = 6

4 0
3 years ago
A recent survey showed that 23.3 million adults have cut the cord on cable TV services, a 30% increase fron the previous year. I
sesenic [268]

Answer:

30,290,000 people

Step-by-step explanation:

The question is asking if the trend continues from the PREVIOUS year, so we would find the 30% of 23,300,000

23,300,000/100 = 233,000 = 1%

233,000 x 30 = 6,990,000

23,300,000 = 6,990,000 = 30,290,000

4 0
2 years ago
The expression when m=6 and n=4
AlladinOne [14]

Plugging in the values, we get 7(6)-4=42-4=38.

3 0
3 years ago
Read 2 more answers
The roots of the equation x^2+px+q=0 are -1 and 3. what is the value of q?
Alex787 [66]

Answer:

3

Step-by-step explanation:

6 0
3 years ago
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