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2 years ago

Please help due in 6 minutes!!!!

Mathematics

1 answer:

luda_lava [24]2 years ago

4 0

Answer:

Step-by-step explanation:

Sorry u gonna fail cause I to dumb.

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Is associative property grouping or reordering

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Answer:

The associative property is grouping

Step-by-step explanation:

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2 years ago

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420 miles In 6 hours

Irina18 [472]

Answer:

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Step-by-step explanation:

6+36

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3 years ago

I NEED HELP WITH NUMBER 2

sashaice [31]

$5y+2x = -7~~~~~......(i)\\\\y = -2x +5 ~~~~~~.....(ii)\\\\(i) -(ii):\\\\5y+2x -y = -7-(-2x+5)\\\\\implies 4y +2x = -7 +2x -5\\\\\implies 4y +2x -2x = -12\\\\\implies 4y = -12\\\\\implies y = - \dfrac{12}4 = -3\\\\\\\text{Substitute}~ y=-3~ \text{in equation (ii):}\\\\\\-3 = -2x +5\\\\\implies 2x = 5 +3 \\\\\implies 2x = 8\\\\\implies x = \dfrac 82 =4\\\\\text{Hence,}~ x = 4$

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2 years ago

Find the value of x in the isosceles triangle shown below

melisa1 [442]

Answer:

22.18 = x

Step-by-step explanation:

a^2 + (b)^2 = (x/2)^2

a = sqrt(74)

b = 7

x/2 = ?

(74)[^1/2]^2 = 74

b^2 = 7^2 = 49

74 + 49 = (x/2)^2 Substitute into a^2 + b^2 = c^2

123 = (x/2)^2 Combine like terms

(123^0.5) = x/2 Take the square root of both sides.

11.09 = x/2 Multiply both sides by 2

11.09*2 = x

22.18 = x The full length of the base of the triangle is 22.18

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2 years ago

Rational Equations help.

Anna35 [415]

Answer: second option

Step-by-step explanation:

Direct variation equation has the following form:

$y=kx$

Where "k" is the constant of variation.

In direct variation when the variable "x" increases, the variable "y" increases in proportion to "x" and when the variable "x" decreases, the variable "y" decreases in proportion to "x".

You can observe in the table that when "x" increases, "y" increases, therefore it is a Direct variation.

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2 years ago