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morpeh [17]
3 years ago
14

7 over 9 - 1 over 2?​

Mathematics
1 answer:
dimulka [17.4K]3 years ago
4 0

Answer:

the answer is 5/18 in exact form. In deciaml form it is 0.27 with 7 repeating. hope this helps you.

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a circle has a diameter of 10cm what is the best proximation of this area use 3.14 to approximate for pi
hammer [34]
Hello!

The answer would be 75.8^{cm2}

Hope this helped!
4 0
3 years ago
Read 2 more answers
(2x+3)²=5.find the roots of the equation ​
bija089 [108]

Answer:

-2.61803398875, -0.38196601125

or

(-3±√5)/2

Step-by-step explanation:

First, expand. (2x+3)² = 4x²+12x+9=5

4x²+12x+4 = 0

Quadratic equations take the form ax²+bx+c = 0

In this case,

a = 4

b = 12

c = 4

You can solve with the equation x=(-b±√b²-4ac)/2a

Plug in:

(-12±√144-64)/8

(-12±√80)/8

(-12±√2^4×5)/8

(-12±4√5)/8

(-3±√5)/2

Final answer x = (-3±√5)/2

If you want decimal form: -2.61803398875, -0.38196601125

4 0
2 years ago
The correct slope of the line that passes through the points (1,-3) and (3,-5)
ehidna [41]
(1,-3)(3,-5)
slope = (-5 - (-3) / (3 - 1) = (-5 + 3) / 2 = -2/2 = -1 <==
7 0
3 years ago
Read 2 more answers
8a - 7b + 2a - 4b Please include the steps on how to solve it.
Troyanec [42]

Answer:

10a-11b is ur answer

Step-by-step explanation:

combine like terms

8a+2a=10a

-7b-4b=-11b

(always make sure to but in alphabetic order)

10a-11b

hope this helps

6 0
3 years ago
$3/min multiplied by blank equals to blank dollars/ 1 hour. <br><br> Help, please I need the answer!
Zinaida [17]

I believe it would be $180
5 0
3 years ago
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