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levacccp [35]
3 years ago
12

Please answer asap!! will make u brainliest!!

Mathematics
1 answer:
Anvisha [2.4K]3 years ago
3 0

Answer:

Step-by-step explanation:

Identity property of Multiplication: A

Associative property of Addition: F

Identity property of Addition: C, E

Commutative property of Addition: D

Associative property of Multiplication: B

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5^(9x)=25^(4x+2) SHOW STEPSSSS
Colt1911 [192]

Answer:

<em>x</em> = 4

Step-by-step explanation:

5^{9x} =25^{4x+2}

First you need to get a common base as your number.

5^{9x} =5^{2(4x+2)}

The second number changed because 5 squared is 25. Changing it to this form gives us the same base number of 5. Now we use the distributive property in the exponent.

5^{9x} =5^{8x+4}

Now we can use this statement:

A^{m} =A^{n} if m=n

Using this we solve:

9x = 8x+4

-8x  -8x

<em>x</em> = 4

Hope it helps!

6 0
2 years ago
The ratio of the current ages of two RSM summer camp students Dylan and Mike is 3:4. If Dylan had been 6 years younger and Mike
My name is Ann [436]

Answer:

13:16, 3:4, 5:8.

Step-by-step explanation:

The ratio of the current ages of two students Dylan and Mike is 3:4.

Let their ages are 3x and 4x respectively.

If Dylan had been 6 years younger and Mike 6 years older, the age of Mike would have been 6 times the age of Dylan.

Hence, we can write, 6(3x - 6) = (4x + 6)

⇒ 18x - 4x = 36 + 6

⇒14x = 42

⇒ x = 3

Therefore, the current age of Dylan is 3×3 =9 years and that of Mike is 3×4 =12 years.

Therefore, the ratio of Dylan's current age to Mike's current age is 3:4. The ratio of their ages in four years ago will be (9-4):(12-4) =5:8

The ratio of their ages in four years from now will be (9+4):(12+4) =13:16

Hence, the ratios in descending order is 13:16, 3:4, 5:8.

(Answer)

6 0
3 years ago
Which one should I be picking?
Rus_ich [418]

Answer:

x = 9

Step-by-step explanation:

Given a segment joining the midpoints of 2 sides of a triangle, then

the segment is half the length of the 3rd side , that is

3x = 0.5 × 54 = 27 ( divide both sides by 3 )

x = 9

5 0
3 years ago
SO MANY HELPSSS WELL PICTURE
Whitepunk [10]
Where is the picture
6 0
3 years ago
Read 2 more answers
The surface area of a cube is represented by the expression below, where s is the side length of the cube. Find the surface area
Dmitry [639]

Answer:

486 centimeters³

Step-by-step explanation:

Surface area of a cube = 6s²

Where,

s = side length

Find the surface area of a cube-shaped jewelry gift box with a side length of 9 centimeters.

s = 9 centimeters

Surface area of a cube = 6s²

= 6 × 9²

= 6 × 81

= 486 centimeters³

Surface area of a cube-shaped jewelry gift box with a side length of 9 centimeters 486 centimeters³

8 0
3 years ago
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