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Ket [755]
3 years ago
15

Help me out?? thank you so much whoever does!!

Mathematics
1 answer:
nasty-shy [4]3 years ago
6 0

43º é  th

dgggg  ggddddddd

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simplify 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2. 2 square root of 8 8 square root
Alex787 [66]

<u>Answer</u>

8√2


<u>Explanation</u>

Simply: 4√2 + 7√2 - 3√2

Let √2 = x

4√2 + 7√2 - 3√2 = 4x + 7x - 3x

                             = 11x - 3x

                             = 8x

Substituting x with √2

4√2 + 7√2 - 3√2 = 8√2

4 0
2 years ago
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Solve (x-3)^2 =5 completing the square
otez555 [7]

Answer:

x = 3 ± √5

Step-by-step explanation:

The expression (x - 3)² = 5 doesn't need completing the square to solve (this is the step after you finish completing the square):

Step 1: Square root both sides

x - 3 = ±√5

Step 2: Add 3 to both sides

x = 3 ± √5 = 0.76392, 5.23607

3 0
3 years ago
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Bella wants to save for a vacation in three years and this vacation costs $2300. She deposits $2000 into a bank earning 5% inter
ddd [48]

Answer:

$2,323.2

Step-by-step explanation:

A = P(1 + r/n)^nt

Where,

A = future value = ?

P = present value = 2,000

r = interest rate = 5% = 0.05

n = number of periods = 12

t = time = 3 years

A = P(1 + r/n)^nt

= 2,000(1 + 0.05/12)^12*3

= 2,000( 1 + 0.00417)^36

= 2,000( 1.00417)^36

= 2,000(1.1616)

= 2,323.2

A = $2,323.2

5 0
2 years ago
Gabriel is a door to door vacuum salesman. His weekly salary, S, is $300 plus $45 for each vacuum he sells. This can be written
lions [1.4K]

Answer:

Gabriel sold 31 vacuums.

Step-by-step explanation:

S = 300 + 45v

1695 = 300 + 45v

1395 = 45v

v = 31

8 0
3 years ago
Parallelogram abcd is divided into two triangles along diagonal ac. if you know the area of the parallelogram, how do you find t
Lera25 [3.4K]

Answer :-      Just try area/2 or half the area of the triangle

6 0
3 years ago
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