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KatRina [158]
3 years ago
13

Solve the quadratic equation by completing the square. x^2−4x-10=0 First, choose the appropriate form and fill in the blanks wit

h the correct numbers. Then, solve the equation. If there is more than one solution, separate them with commas.
Form:________________

Solution: x=
Mathematics
2 answers:
frozen [14]3 years ago
5 0
The answers are (4+(56^1/2))/2 and (4-(56^1/2))/2
Gelneren [198K]3 years ago
5 0
X^2 - 4x - 10 = 0
x^2 - 4x = 10
x^2 - 4x + 4 = 10 + 4
(x - 2)^2 = 14
x - 2 = (+-) sqrt 14
x = 2 (+-) sqrt 14

x = 2 + sqrt 14 and x = 2 - sqrt 14 <== ur solutions

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HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
andre [41]

Answer:

Option A is correct.

Step-by-step explanation:

If Δ YES ∼ Δ NOT, then it means that ΔYES and ΔNOT are similar triangles.

The similar triangles means that all the corresponding angles of the two triangles are same i.e. ∠ Y = ∠ N, ∠ E = ∠ O and ∠ S = ∠ T

Therefore, according to the property of similar triangles we can write that

\frac{NO}{YE} = \frac{OT}{ES}  = \frac{NT}{YS}.

Therefore, option A is correct.

8 0
3 years ago
Javier had $305 in his bank account. His bank charges a monthly fee of $7.50.
EastWind [94]

Answer:

$282.50

Step-by-step explanation:

He will be charged $7.50 for 3 months, which is a total of 7.5 * 3 = $22.50.

Subtract this from the amount in his account to find the amount of money he has at the end of the three months:

305 - 22.5 = 282.5

The answer is therefore $282.50.

6 0
3 years ago
Read 2 more answers
Only you have to answer the question 1 from the diagram
Fantom [35]
ADC = 40 + 30 = 70 degrees

DBC is given at 45 deg

AEB = 100 degrees, vertical angle from intersecting lines

BCD = 50 + 50 = 100 degrees

5 0
3 years ago
5/6 + 1/9 in simplest form
d1i1m1o1n [39]
The answer is \frac{17}{18}
3 0
3 years ago
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Travis is at a carnival and has a chance to win a goldfish. He can either roll 2 or 3 on a six-sided fair die or pick either an
Alenkasestr [34]

Answer:

Travis should pick to play the hat game.

Step-by-step explanation:

You would need to evaluate the probablity of winning in each option

Option 1 (rolling die)

p(roll 2 or 3)=2/6

p(roll 2 or 3)=1/3=.33

Option 2 (pick letters)

p(pick A or B) = 2/5

p(pick A or B) = .4

.33<.4

Since option 2 with picking letters has a higher chance of winning, then Travis should play the second game to win the goldfish as a higher chance of winning makes it easier for him to win the prize.

6 0
3 years ago
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