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3 years ago

Someone please help me!!

Mathematics

1 answer:

Phoenix [80]3 years ago

6 0

Answer:

x=6

UV=40

WV=40

UW=30

Step-by-step explanation:

GIVEN UV=WV

6X+4=40

X=6

NOW PUT X=6 in WV AND UW

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Which measure is equal to 340 l a.340,000 ml b.3,400,000 ml c.0.034 ml d.3.4 ml

Whitepunk [10]

It's either A or B I'm not sure which but it is one of them thats correct sorry if this doesn't help that much

8 0

3 years ago

Can you please help me?!

Nezavi [6.7K]

Answer:

d) $x=5$

Go to station 10

Step-by-step explanation:

$-\left(1+7x\right)-6\left(-7-x\right)=36$

Expand:

$-1-7x+42+6x=36$

$-x+41=36$

Subtract 41 from both sides:

$-x+41-41=36-41$

$-x=-5$

Divide both sides by -1:

$\frac{-x}{-1}=\frac{-5}{-1}$

$x=5$

3 0

3 years ago

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6 0

3 years ago

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Simplify : (√x + √y ) (√x − √y) (x + y)(x2 + y2)

Ivan

$Solution, \mathrm{Expand}\::\left(\sqrt{x}+\sqrt{y}\right)\left(\sqrt{x}-\sqrt{y}\right)\left(x+y\right)\left(x^2+y^2\right):\quad :x^4-:y^4$

$Steps:$

$\mathrm{Expand}\:\left(\sqrt{x}+\sqrt{y}\right)\left(\sqrt{x}-\sqrt{y}\right):\quad x-y, =\left(x-y\right)\left(x+y\right)\left(x^2+y^2\right)$

$\mathrm{Expand}\:\left(x-y\right)\left(x+y\right):\quad x^2-y^2, =:\left(x^2-y^2\right)\left(x^2+y^2\right)$

$\mathrm{Expand}\:\left(x^2-y^2\right)\left(x^2+y^2\right):\quad x^4-y^4, =:\left(x^4-y^4\right)$

$\mathrm{Expand}\::\left(x^4-y^4\right):\quad :x^4-:y^4, =:x^4-:y^4$

The correct answer is <u><em> $x^4-y^4$ </em></u>

Hope this helps!!!

4 0

3 years ago

So write a linear function f(x) with the values f(3) = - 1 and f(6) = 1

Elodia [21]

Answer:

f(x) = -2/3x - 3

Step-by-step explanation:

Given the values f(3) = - 1 and f(6) = 1

We're essentially provided (3, -1) and (6, 1).

Let (x1, y1) = (3, -1)

(x2, y2) = (6, 1)

Substitute these values into the slope formula:

m = (y2 - y1)/(x2 - x1)

m = [1 - (-1)]/(6 - 3)

m = (1 + 1) / 3

m = 2/3

Next, we need to find the y-intercept. Use one of the points, (6, 1), and the slope, m = 2/3, and substitute these values into the slope-intercept form to solve for the y-intercept, b:

y = mx + b

$1 = (\frac{2}{3})6 +b$

1 = 4 + b

Subtract 4 from both sides to solve for b:

1 - 4 = 4 - 4 + b

-3 = b

Therefore, the linear function is: f(x) = -2/3x - 3

8 0

2 years ago