2 years ago

How is y related to x

Mathematics

1 answer:

Nat2105 [25]2 years ago

7 0

They are pairs on the corridinant

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Which expression is equivalent to 8/9 divided by 3/4

ipn [44]

Step-by-step explanation:

Dividing by a fraction is the same as multiplying with the opposite of the fraction. 8/9 / 3/4=8/9×4/3=32/27=1 5/27.

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3 years ago

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If a =5 and b=3 what is the value of the 2a-3b+3a

34kurt

Answer:

If a = 5 and b = 3, then that means 2a - 3b + 3a = 16

Step-by-step explanation:

2a - 3b + 3a

(2×5) - (3×3) + (3×5)

10 - 9 + 15 = 16

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2 years ago

Use one of the triangles to approximate PQ in the triangle below.

s2008m [1.1K]

Answer:

The answer is B 5.4 units

Step-by-step explanation:

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1 year ago

5x+6.5=8x-2.5 what does this mean and i would like to know how to solve this equation

Bingel [31]

The answer is x = 3

I hope this helped

6 0

3 years ago

A student solved 3/x−4=x/7 in six steps, as shown.

Stolb23 [73]

Answer:

Option A.

Step-by-step explanation:

The given equation is

$\dfrac{3}{x-4}=\dfrac{x}{7}$

Step 1: Multiply both sides by (x-4).

$3=\dfrac{x(x-4)}{7}$

Step 2: Multiply both sides by 7.

$21=x(x-4)$

Step 3: Using distributive property.

$21=x^2-4x$

Step 4: Isolate all terms on one side.

$0=x^2-4x-21$

Step 5: Find factors by splitting the middle term.

$0=x^2-7x+3x-21$

$0=x(x-7)+3(x-7)$

$0=(x-7)(x+3)$

Step 6: Using zero product property, we get

$x=-3, x=7$

It means student solved the equation correctly.

Therefore, the correct option is A.

5 0

2 years ago

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