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jok3333 [9.3K]
4 years ago
11

How do you solve -15 = 6x + 15-10x

Mathematics
1 answer:
Sergeeva-Olga [200]4 years ago
4 0

-15 = 6x + 15 -10x

1st. You combine like terms

       (6-10)x

      -15 = -4x + 15

2nd. You move variables to the left side and change the sign

      -15 =  -4x + 15

        +4x     +4x

       4x - 15 = 15

            +15     +15

        4x = 30

3rd. You divide both sides of the equation by 4

        (4x) /4 = (30) /4

          x= 30/4

4th. Reduce the fraction by 2

       30/ 4 = 15/2

Answer is 15/2

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alina1380 [7]

b is the answer hope this help

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4 years ago
What is the do.ain and range of (1,9), (2,7), (5,4), (7,12) (3,9)
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Domain: {1,2,3,5,7}
Range: {4,9,7,12}
6 0
3 years ago
A 1.0 l buffer solution is 0.15 m in hcn and 0.10 m in nacn. which action will destroy the buffer?
rjkz [21]

The buffer will probably be destroyed by the addition of HCN.

<h3>What is buffer solution?</h3>

A weak acid and the conjugate base of the weak acid, or a weak base and the conjugate acid of the weak base, are combined to form the buffer solution, a water-based solvent solution. They withstand being diluted or having modest amounts of acid or alkali added to them without changing their pH.

Given that a 1.0 l buffer solution is 0.15 m in HCN and 0.10 m in NaCN.

We need to find a action which one destroy the buffer solution.

A buffer is a substance made of salt and a weak acid that is beneficial. From the aforementioned chemicals, HCN is a potent acid and NaCN is a salt between HF and NaCN. Therefore, the buffer will probably be destroyed by the addition of HCN.

To learn more about buffer solution from the given link

brainly.com/question/22390063

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8 0
2 years ago
Find GH.<br> write answer as an internet or as a decimal rounded to the nearest tenth <br> ty
LiRa [457]

Answer:

We can use trigonometric ratios to solve this

cos(24)=GH/IH\\cos(24)=GH/5\\5 cos(24)=GH\\

Using a cosine calculator we find that cos(24)=0.91354546 and 0.91354546 x 5=4.56

GH=4.5677273 or 4.57 rounded

Step-by-step explanation:

8 0
3 years ago
List 2 whole numbers that 1 can multiple to get to 125
Mice21 [21]

Answer:

5, 25

Step-by-step explanation:

When you multiply any two whole numbers with each other and get 125 as the answer, you can say that both the numbers will be the factors of 125. 1× 125 = 125 and 5 × 25 = 125; thus, the factors of 125 are 1, 5, 25, and 125.

4 0
2 years ago
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