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3 years ago

(x+2)*2=2, x=? I need help

Mathematics

2 answers:

ohaa [14]3 years ago

6 0

Answer:

(x+2)(x+2)=2

x^2 + 4x + 4 = 2

x^2 + 4x = - 2

x(x+4) = - 2

x = - 2 or x = - 6

Agata [3.3K]3 years ago

5 0

Answer:

2x2−x2 2 x 2 - x 2. Subtract x2 x 2 from 2x2 2 x 2 . x2 x 2. 2x2−x2 2 x 2 - x 2. (. [. ([. ) ] )] |. |. √. √... > ≥. >≥.......... 7. 7. 8. 8. 9. 9.

Step-by-step explanation:

work it out dude

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Cloud [144]

54 is the hypotenuse because it is the longest side. Square all of the sides. So 54^2=2916
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In short, its B

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3 years ago

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There are 207 students in the 9 classes at East Amwell Elementary School. At this rate, how many students are in 6 classes?

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Divide 9 into 207 then times that number by 6. You should get 138 :)x

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3 years ago

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Carson buys eggs and lemons at the store. he pays a total of $39.62. he pays $6.74 for the eggs. he buys 8 bags of lemons that e

Nikolay [14]

The algebraic equation is used to determine the costs of each bag of lemons is 8x = $39.62 - $6.74

According to the question,

Cost of 1 bag of lemons = $x

Cost of 8 bags of lemons = 8*x = 8x

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8 0

1 year ago

Found out g<br> 2(g - 15) = -26 <br> Please help

posledela

Answer: $g=2$

Step-by-step explanation:

To solve this exercise you need to remember the following properties:

1. The Distributive property states that:

$a(b+c)=ab+ac\\\\a(b-c)=ab-ac$

2. The Addition property of Equality statest that:

If $a=b$ , then $a+c=b+c$

3. The Subtraction property of Equality statest that:

If $a=b$ , then $a-c=b-c$

4. The Division property of Equality statest that:

If $a=b$ , then $\frac{a}{c}=\frac{b}{c}$

5. The Multiplication property of Equality statest that:

If $a=b$ , then $a*c=b*c$

Given the equation:

$2(g - 15) = -26$

You must solve for "g" in order to find its value:

- Apply the Distributive property:

$2g - 30= -26$

- Apply the Addition property of Equality adding 30 to both sides of the equation:

$2g - 30+30= -26+30\\\\2g=4$

- Apply the Division property of Equality dividing both sides by 2:

$\frac{2g}{2}=\frac{4}{2}\\\\g=2$

4 0

2 years ago

If xy + x = 12 and dx/dt = -3, then what is dy/dt when x = 2 and y = 5?

dlinn [17]

If $xy + x = 12$ , then
$\dfrac{d}{dt}(xy+x)= \dfrac{d}{dt}(12)$ .
Use the chain rule:
$y\dfrac{dx}{dt}+x \dfrac{dy}{dt}+ \dfrac{dx}{dt}=0$ ,
Since x=2, y=5, <span>dx/dt = -3, then
</span>
$5\cdot (-3)+2\cdot \dfrac{dy}{dt}+(-3)=0, \\ 2\cdot \dfrac{dy}{dt}=18, \\ \dfrac{dy}{dt}=9$ .

3 0

2 years ago