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Mumz [18]
3 years ago
14

Solve using the quadratic formula. Show all work. Write each solution in simplest form. No decimals.

Mathematics
2 answers:
disa [49]3 years ago
4 0

Answer:

d. that the answer of my module

Katena32 [7]3 years ago
3 0

Answer:

-b +/- √b^2-4ac

____________

2a

7 +/- √49-4(10)(3)

______________

2(10)

x= 7 +/- i√71

________

20

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Find the value of x. PLS HELP ANSWER ASAP!
BARSIC [14]

Answer: x = 24º

Step-by-step explanation:

180 - 94 - 41 = 45

x + 111 + 45 = 180

x + 156 = 180

x = 24

7 0
3 years ago
IS THIS RIGHT <br> JUST ANSWER YES OR NO
Ivanshal [37]

Answer:

B

Step-by-step explanation:

x^3 + 2x^2 - 9x - 18 = x^2(x + 2) - 9(x + 2) = (x + 2)*(x^2 - 9)

(x + 2)/(x + 2)(x^2 - 9) = 1 / (x^2 - 9)

==============

1/(x^2 - 9) * (x^2 - 9)/(3x  + 1) = 1/(3x + 1)


Yes B is correct.


4 0
3 years ago
Read 2 more answers
Simplify the expression
Grace [21]
(-5+8*i)+(-9+5*i) evaluates to <span>-14+13i</span>
6 0
3 years ago
Marta is making two different charms for necklace one charm has a 1 cm diameter and a 3.14 centimeter circumference A similar ch
dlinn [17]
Both charms are "similar".

And notice one diameter is 1, the other is 4, the diameters are on a ratio of 1:4 then, and so both figures are on a ratio of 1:4.

so, if another unit, like the circumference is at 3.14 on the small one, then the large one will have a circumference 4 times that much, because the circumferences are also on a 1:4 ratio.
4 0
3 years ago
Calculate the approximate distance point A (5, 3, −2) and point B (2, −4, 8) are from the origin. Round to the nearest tenth.
bulgar [2K]
The distance of A from the origin.
√(5²+3²+(-2)²)= √(25+9+4)
                      =√38
                      =6.2

The  distance of B from the origin

√(2²+(-4)²+8²=√(4+16+64)
                     
                     =√84
                     = 9.2 
8 0
3 years ago
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