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solniwko [45]
3 years ago
9

How do you work out 2(x+4)=-10

Mathematics
1 answer:
vichka [17]3 years ago
5 0
2(x + 4) = -10    |divide both sides by 2

x + 4 = -5    |subtract 4 from both sides

x = -9
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Simplify –2x3y × xy2.
adell [148]

Answer: B. -2x^4y^3

Step-by-step explanation:

Multiply the variables by each other.

-2x^3 * x = -2x^4

y * y^2 = y^3

7 0
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Figure A has a radius of 2 inches. It is dilated by a scale factor of 4 to form figure B. What is the radius of figure B?
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7 0
3 years ago
Last year my family decided to put on a play It was A Great success . 200 people attended and we earned a total of 800 . If adul
nata0808 [166]

Answer:

200 adults

Step-by-step explanation:

We can set-up a system of equations to find the number of adults. We know children and adults attended. We will let c be the number of children and a be the number of adults. Since 200 people attended, then c+a=200.

We also know they made $800 and adult tickets cost $4 and child tickets cost $2. We can write 2c+4a=800.

We will solve by substituting one equation into the other. We start by solving the first equation for c. c+a=200 becomes c=200-a.

Now we substitute c=200-a into 2c+4a=800. Simplify and isolate the variable a.

  • 2(200-a)+4a=800
  • 400-2a+4a=800
  • 400+2a=800
  • 400-400+2a=800-400
  • 2a=400
  • a=200

This means that 200 adults attended and 0 children attended.

8 0
4 years ago
How do you solve this question?
Lady bird [3.3K]

Answer:

\large \boxed{\sf \ \ \ 2x-ln(1-x) \ \ \ }

Step-by-step explanation:

Hello,

for any real x different from 1

\dfrac{3-2x}{1-x}=\dfrac{2-2x+1}{1-x}\\\\=\dfrac{2(1-x)+1}{1-x}\\\\=2\dfrac{1-x}{1-x}+\dfrac{1}{1-x}\\\\=2+\dfrac{1}{1-x}

if f(x)=2x

   f'(x)=2

if g(x)=-ln(1-x)

   g'(x)=\dfrac{-1*-1}{1-x}=\dfrac{1}{1-x}

So antiderivative of

\dfrac{3-2x}{1-x}=2+\dfrac{1}{1-x}

Is

2x-ln(1-x)

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

7 0
3 years ago
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