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3 years ago

Can someone help me solve this 1/2:4=1/3:x

Mathematics

1 answer:

Delvig [45]3 years ago

8 0

Answer:

???

Step-by-step explanation:

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Is this true or false need answer asap

VLD [36.1K]

Answer: True

Step-by-Step Explanation:

=> 2x + 3y = -7 (Eq. 1)
=> -x = 2y (Eq. 2)
=> x = 1, y = -3

Substitute values of ‘x’ and ‘y’ in Eq. 1 :-

=> 2x + 3y = -7
= 2(1) + 3(-3) = -7
= 2 + -9 = -7
=> -7 = -7
=> LHS = RHS

Therefore, it is a Solution.

3 0

2 years ago

Help please due soon

mestny [16]

The think the answer is c

7 0

3 years ago

Lalo has 1,500 minutes per month on his cell phone plan. How many more minutes can he use if he has already talked for 785 minut

emmainna [20.7K]

Answer:

All you have to do is subtract 1500-785 in order to find the number of minutes left for him.

1500-785=715 more minutes left

4 0

3 years ago

The difference of the square of a number and 28 is equal to 3 times that number

Pepsi [2]

Answer:

- 4, 7

Step-by-step explanation:

Let the required number be x.

Therefore, according to the given condition:

${x}^{2} - 28 = 3x \\ {x}^{2} - 3x - 28 = 0 \\ {x}^{2} - 7x + 4x - 28 = 0 \\ x(x - 7) + 4(x - 7) = 0 \\ (x - 7)(x + 4) = 0 \\ x - 7 = 0 \: or \: x + 4 = 0 \\ x = 7 \: or \: x = - 4 \\$

5 0

3 years ago

What are the steps for this equation: -5x-16 = -10x-11?

sineoko [7]

Answer:

x=1

Step-by-step explanation:

-5x-16=-10x-11

+10x +10x

5x-16=-11

+16 +16

5x=5

5x/5 = 5/5

x=1

8 0

3 years ago