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nalin [4]
3 years ago
8

Dividea) (4a-4b)÷(a-b)​

Mathematics
2 answers:
SashulF [63]3 years ago
8 0

Answer:

4a+4b

Step-by-step explanation:

shusha [124]3 years ago
4 0
Hello the answer is:

4
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Solve the equation. Check your solution. Thanks !
erma4kov [3.2K]

Answer:

A.1

Step-by-step explanation:

d=1

1*9=9

3 0
3 years ago
Read 2 more answers
I WILL MARK FIRST BRAINLIEST! I leave a thanks too! 0 = -2x^2 - 7x -1 Solve using quadratic formula PLEASEEEEEE I need the answe
slamgirl [31]

Here,

2x^2 + 7x + 1 = 0

given,

a = 2

b = 7

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From formula,

x = (-b+-√b^2-4ac) / 2a.

We get,

x = -7/4 ± √(41)/4 Ans.

4 0
3 years ago
The top of the Boulder Dam has an angle of elevation of 1.2 radians from a point on the Colorado River. Measuring the angle of e
Nana76 [90]

Answer:

382.925 feets

Step-by-step explanation:

The solution diagram is attached below :

Converting radian measurement to degree :

radian angle * 180/π = degree angle

1.2 * 180/π = 68.755°

0.9 * 180/π = 51.566°

Height of dam is h:

Using trigonometry :

Tan θ = opposite / Adjacent

Tan 68.755° = h / x

h = x Tan 68.755° - - - (1)

Tan 51.566° = h / (155+x)

h = (155+x) tan 51.566° - - - (2)

Equate (1) and (2)

x Tan 68.755 = (155+x) Tan 51.566

x Tan 68.755 = 155tan 51.566 + x tan 51.566

x Tan 68.755 = 195.32311 + x Tan 51.566

x Tan 68.755 - x Tan 51.566 = 195.32311

x(tan 68.755 - tan 51.566) = 195.32311

x * 1.3120110 = 195.32311

1.3120110x = 195.32311

x = 195.32311 / 1.3120110

x = 148.87307

Using :

h = x Tan 68.755

h = 148.87307 * tan(68.755)

h = 382.92539

h = 382.925 feets

5 0
3 years ago
What is the graph of the function f(x) = the quantity of negative x squared minus 2 x minus 2, all over x minus 2
Serjik [45]

Answer:

use desmos and type in the equation to get the graph

Step-by-step explanation:

5 0
3 years ago
50 points! The campaign manager for one of the five candidates running for office in a city wants to conduct a survey to see how
luda_lava [24]

Answer:

B

Step-by-step explanation:

He chose the names on the voter registration list radomly

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2 years ago
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