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wlad13 [49]
3 years ago
11

Solve by completing the square. x^2-10x-5=28

Mathematics
2 answers:
satela [25.4K]3 years ago
8 0

Answer:

Hey THERE

x=5+√58 or x=5−√58 is the answer

Step-by-step explanation:

x2−10x−5=28

dalvyx [7]3 years ago
7 0

Answer: look at the picture

Step-by-step explanation: hope this help :)

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Which answers show a correct plan to solve this problem?
uranmaximum [27]
A. & B. Is the correct answer.

3 0
2 years ago
Two consecutive intergers have a sum of 79, find the intergers
aev [14]

Answer:

<em>The integers are 39 and 40.</em>

Step-by-step explanation:

Let the smaller integer be x.

The next greater integer is x + 1.

Their sum is x + x + 1.

Their sum is 79, so

x + x + 1 = 79

Solve for x.

2x + 1 = 79

2x = 78

x = 39

x + 1 = 40

6 0
3 years ago
Simplify (4x+5y)(2x-3y)+3xy<br><br> Help
amid [387]

Answer:

8x² - 15y² + xy

Step-by-step explanation:

(4x + 5y) (2x - 3y) + 3xy

multiplying the terms in brackets

(4x) (2x - 3y) + (5y) (2x - 3y) + 3 xy

multiplying with each terms inside the bracket

(4x)(2x) - (4x) (3y) + (5y) (2x) - (5y) (3y) + 3xy

doing the product each of the pair of terms

8x² - 12xy + 10xy - 15y² + 3xy

taking the sum of terms with coefficient "xy"

8x² - 15y² -2xy + 3xy

8x² - 15y² + xy


3 0
3 years ago
How many times larger than 2x10^2 is 2x10^8
Art [367]

1000000 times larger

Step-by-step explanation:

2x10^2 is 200.

2x10^8 is 200000000

2x10^8  is 1000000 times larger that 2x10^2

4 0
2 years ago
Joseph invested $16,000 in an account paying an interest rate of 5.7% compounded
Natasha_Volkova [10]

Answer: 34767.2

Step-by-step explanation:

given p = $16,000, n = 14 years, y = 5.7%

amount in bank after 14 years = p ( 1 + </100)

= 16,000 (1 + 5.7/ 100) 14

= 34767.2

5 0
3 years ago
Read 2 more answers
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