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adell [148]
3 years ago
6

9=0" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
strojnjashka [21]3 years ago
4 0
X² + 18x + 79 = 0
x = <u>-(18) +/- √((18)² - 4(1)(79))</u>
                       2(1)
x = <u>-18 +/- √(324 - 316)</u>
                     2
x = <u>-18 +/- √(8)
</u>              2<u>
</u>x = <u>-18 +/- 2√(2)
</u>               2<u>
<em /></u><em />x = -9 <u>+</u> √(2)
x = -9 + √(2)      x = -9 - √(2)
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Solve for x <br> A. 10<br> B. -8<br> C. 6<br> D. 3
hichkok12 [17]

Answer:

c (6)

Step-by-step explanation:

by the corresponding angles postulate, the angle above 20x-5 will be 65°.

20x - 5 + 65 = 180 <em>they are supplementary angles (angles that add up to 180°)</em>

20x + 60 = 180

20x = 120

x = 6

4 0
3 years ago
What is the equation of the line that goes through the points (5, 11) and (7,21)?
iragen [17]

Answer:

y = 5x - 14

Step-by-step explanation:

First point coordinates

x₁

5

y₁

11

Second point coordinates

x₂

7

y₂

21

Result

Slope (m)

5

m = 10 / 2 = 5 / 1 = 5

Your function

The entered points belong to an increasing, linear function.

Equation: y = 5x - 14.

Hope i helped :)

5 0
3 years ago
Plz help me on this qustin. Slove for w 2w ≥ -12
RUDIKE [14]

Answer:

w <u>> </u> -6

Step-by-step explanation:

divide each term n 2x <u>> </u> -12 by 2 then simplify

8 0
3 years ago
Which property of multiplication is shown below?
Lubov Fominskaja [6]
There are four properties of multiplication namely commutative, associative, multiplicative identity and distributive. The equation given defines the commutative property of multiplication where two numbers are multiplied, the product will still be the same no matter what is the order of the multiplicands.
3 0
3 years ago
Read 2 more answers
A population of ants is 10,000 at the start of April. Since then, it triples each month.
Kryger [21]

Answer:

Month since April                                   Number of Ants

          0                                                         10,000

           1                                                         30,000

          2                                                         90,000

          3                                                        270,000

          4                                                         810,000

Every month, the ant population triples so the multiply the previous population by 3 to find out the new population.

0 months from April = 10,000 * 1 = 10,000 ants

1 month from April = 10,000 * 3 = 30,000 ants

2 months from April = 30,000 * 3 = 90,000 ants

3 months from April = 90,000 * 3 = 270,000 ants

4 months from April = 270,000 * 3 = 810,000

8 0
3 years ago
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