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SOVA2 [1]
2 years ago
6

Can someone help me solve for X and Y? 2x+7y=3

Mathematics
1 answer:
vesna_86 [32]2 years ago
3 0

Answer: x=-7/2

 

Step-by-step explanation:

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Help appreciated!!<br> (Will mark as Brainliest)
Vinvika [58]

Answer:

14.9

Step-by-step explanation:

First you square 14 which is 196, then you square 5 which is 25. You would then add them which is 221. You find the square root of 221, that is 14.8660687473 . The answer says to round to the nearest tenth which becomes 14.9.

Hope this helps:)

7 0
3 years ago
Five times a number increased by 15 equals 8 decreased by twice the number. Write an equation and solve showing all work.​
ivanzaharov [21]

Answer:

5x+15 = 8 -2x

Explanation:

8 0
3 years ago
Find the slope from Point A to Point B.
Irina-Kira [14]

The points are A is (1,1) and B (3,3)

With that 2/2

in it simplified form it is = 1

So your slope is 2/2 or 1

Hope this helps

7 0
2 years ago
Simplify each exponential expression using the properties of exponents and match it to the correct answer.
saveliy_v [14]

1) (2\times3^-2)^3 (5\times3^2)^2 / (3^-2)(5\times2)^2 = 2

2) (3^3) (4^0)^2 (3\times2)^-3 (2^2) = 1/2

3) (3^7\times4^7) (2\times5)^-3 (5)^2 / (12^7) (5^-1) (2^-4) = 2

4) (2.3)^-1 (2^0) / (2.3)^-1 = 1

<u>Step-by-step explanation</u>:

Step 1 :

(2\times3^-2)^3 (5\times3^2)^2 / (3^-2)(5\times2)^2

⇒ (2^3) (3^-6) (5^2) (3^4) / (3^-2) (10^2)

⇒ (2.2^2.5^2) (3^-6.3^4) / (3^-2) (10^2)

⇒ (2)(10^2) (3^-2) / (3^-2) (10^2)

⇒ 2

Step 2 :

(3^3) (4^0)^2 (3\times2)^-3 (2^2)

Any number with power 'zero' is 1.

⇒ (3^3) (1^2) (3^-3) (2^-3) (2^2)

⇒ (2^(-3+2))

⇒ 2^-1 = 1/2

Step 3 :

(3^7\times4^7) (2\times5)^-3 (5)^2 / (12^7) (5^-1) (2^-4)

⇒ (12^7) (2^-3) (5^-3) (5^2) / (12^7) (5^-1) (2^-4)

⇒ (12^7) (2^-3) (5^-3) (5^2) / (12^7) (5^-1) (2^-4)

⇒ (2^-3) (5^(-3+2)) / (5^-1) (2^-4)

⇒ (2^-3) (5^-1) / (5^-1) (2^-4)

⇒ 1 / (2^-1)

⇒ 2

Step 4 :

(2.3)^-1 (2^0) / (2.3)^-1

⇒ (2^0)

⇒ Any number with power 'zero' is 1

⇒ 1

8 0
3 years ago
What are the common factors of 60 36 48?
Aleksandr [31]
12 is the answer
12 goes into all threee
7 0
3 years ago
Read 2 more answers
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