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Darya [45]
3 years ago
14

PLEASE ANYONE HELP!!!!

Mathematics
1 answer:
meriva3 years ago
3 0
The output is 1
How I helped :D
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Solve (x + 3)2 – 5 = 0 using the quadratic formula.
Harlamova29_29 [7]

Answer:

Step-by-step explanation:

(x+3)² -5 =0 , use the formula (a+b) ² = a²+b²+2ab

x²+9 +6x -5 =0 , combine like terms

x²+6x +4 =0, use the quadratic formula x = (-b±√b²-4ac)/2a

x= (-6 ±√6²-4*1*4)/2*1

x= (-6 ± √36-16) /2

x= (-6±√20)/2

x=(-6 +2√5)/2 and x=( -6-2√5) /2, factor 2 in the numerator and simplify

x= -3 +√5 and x= -3 -√5

4 0
3 years ago
13. Daniel bought some oranges and x apples. He bought twice as many oranges as apples. Each apple
valentinak56 [21]

Step-by-step explanation:

multiply

when 1 number is given and many is asked means multiply

4 0
2 years ago
A school lunch costs $2.50. A monthly lunch pass costs $40.00. Which inequality represents the number x of lunches you must purc
Leya [2.2K]

Answer:

The inequality 2.50x>40.00 represents the number of lunches needed to be purchased for the monthly lunch pass to be a better deal.

Step-by-step explanation:

Given that:

Cost of each lunch = $2.50

Cost of monthly lunch pass = $40.00

Number of lunches = x

For making the monthly pass a better deal, the cost of lunches should be greater than the cost of monthly lunches, therefore

Cost of lunch * Number of lunches > Cost of monthly lunch pass

2.50x > 40.00

Hence,

The inequality 2.50x>40.00 represents the number of lunches needed to be purchased for the monthly lunch pass to be a better deal.

7 0
3 years ago
Read 2 more answers
Find the distance between the points (2, 7) and (6, 0).
maw [93]

Answer:

8.06

Step-by-step explanation:

√(x2 - x1)² + (y2 - y1)²

√(6 - 2)² + (0 - 7)²

√(4)² + (-7)²

√(16) + (49)

√65

= 8.06

3 0
3 years ago
David bought three candy bars for $2.45. Assuming that each candy bar is the same price, what is the unit rate for the cost of t
xxMikexx [17]

Answer:

$4.55

Please give me the brainliest!

Hope this helps!

6 0
2 years ago
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