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Anna11 [10]
2 years ago
7

Solve the following:​

Mathematics
2 answers:
Oksi-84 [34.3K]2 years ago
8 0
A is x=7.5 and B) is x=1
sergeinik [125]2 years ago
5 0

Step-by-step explanation:

a⟩. (4x - 1)/2 = x + 7

⇛(4x - 1)/2 = (x+7)/1

By doing cross multiplication, we get

⇛1(4x - 1) = 2(x + 7)

⇛4x - 1 = 2x + 7

⇛4x - 2x = 7-1

⇛2x = 6

⇛x = 6÷2 = 6/2

∴ x = 3 Ans.

b⟩. 3x + 2 = (2x + 13)/3

⇛(3x + 2)/1 = (2x + 13)/3

⇛3(3x + 2) = 1(2x + 13)

⇛9x + 6 = 2x + 13

⇛9x - 2x = 13-6

⇛7x = 7

⇛x = 7÷7 = 7/7

∴ x = 0 = 1 Ans.

If you have any doubt, then you can ask me in the comments.

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Calculate the distance between the points P=(-1, -1) and L=(6, -9) in the coordinate plane.
Over [174]

Answer:

≈ 10.63

Step-by-step explanation:

Calculate the distance d using the distance formula

d = \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2    }

with (x₁, y₁ ) = P(- 1, - 1) and (x₂, y₂ ) = L(6, - 9)

d = \sqrt{(6-(-1))^2+(-9-(-1))^2}

   = \sqrt{(6+1)^2+(-9+1)^2}

   = \sqrt{7^2+(-8)^2}

   = \sqrt{49+64}

   = \sqrt{113} ≈ 10.63 ( to the nearest hundredth )

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Step-by-step explanation:

Equivalent fractions are simple. To find an equivalent fraction simply multiply the denominator AND the numerator by any natural number other than 1 (a natural number is any number greater than zero, numbers that ARE zero or less AREN'T natural numbers i.e. 0, -1, -2, -3, you get the point)

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Step-by-step explanation:

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Step-by-step explanation:

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