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Zarrin [17]
2 years ago
14

Can someone help me with this ASAP please I’m being timed

Mathematics
1 answer:
SOVA2 [1]2 years ago
3 0
Top right goes down five then up 5
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What is the value of x?
Elden [556K]

Answer:

x = 8

Step-by-step explanation:

Since the triangle is right use Pythagoras' identity to solve for x

The square on the hypotenuse is equal to the sum of the squares on the other two sides, thus

x² + 6² = 10²

x² + 36 = 100 ( subtract 36 from both sides )

x² = 64 ( take the square root of both sides )

x = \sqrt{64} = 8

6 0
2 years ago
PLEASE SOLVE IT WITH EXPLANATION!!<br>DONT TAKE POINTS :)<br>​
zloy xaker [14]

Step-by-step explanation:

We are asked to simply (2√5 + 3√2)². Using formula: (a + b)² = a² + b² + 2ab. Let's say 2√5 = a, 3√2 = b. So,

→ (a + b)² = a² + b² + 2ab

→ (2√5 + 3√2)² = (2√5)² + (3√2)² + 2(2√5)(3√2)

We are aware about the fact that root means 1/2 and square of root means 2/2 that is 1. Using this we get:

→ (2√5 + 3√2)² = 4(5) + 9(2) + 2(2√5)(3√2)

Solve the brackets, to do so first put the like terms in one box.

→ (2√5 + 3√2)² = 4(5) + 9(2) + 2(2*3)(√5)(√2)

Solve the rest calculations.

→ (2√5 + 3√2)² = 20 + 18 + 2(6)(√10)

→ (2√5 + 3√2)² = 38 + 12√10

Option (a) (38 + 12√10) is the correct option.

4 0
2 years ago
Read 2 more answers
Eloise is planning on retiring soon. When she first began working she invested $1500 in a retirement fund. The percent increase
cupoosta [38]
$2925 she would have left in her account :)
6 0
2 years ago
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A square has a maximum
Stolb23 [73]

Answer:

3

Step-by-step explanation:

Square: 4 equal sides

If x is one of the sides:

Perimeter: 4x

12: 4x

x=3

7 0
2 years ago
Which two whole numbers are the square root of -17 between
babunello [35]

The two consecutive whole numbers that lies between the square root of 17 is 4 and 5

5 0
3 years ago
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