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stira [4]
3 years ago
8

3(7x+2)+6x plz answer

Mathematics
2 answers:
Elanso [62]3 years ago
8 0

Answer:

The answer is 21x + 6

Step-by-step explanation:

1.) Multiply 3 to 7x and 2 since these ( ) means times whatever is inside them.

2.) Now you have 21x and 6, add 21x to 6x to equal 27x.

3.) Finally, you have your answer. 27x + 6.

Natalija [7]3 years ago
4 0

Answer:

27x +6

Step-by-step explanation:

3(7x+2)+6x

Distribute

21x+6 +6x

Combine like terms

27x +6

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2x-1<br> Hahahahahhaahhahahahahahahhahaha
sweet-ann [11.9K]

Answer:

x=1/2

Step-by-step explanation:

Set up the equation: 2x-1=0

Add one to both sides. 2x=1

Divide two by both sides: x=1/2

Therefore, x =1/2, or .5

4 0
2 years ago
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Solve the inequalities<br><br> -7d + 8 &gt; 29
Arisa [49]
-7d > 21
d < -3

Remember the sign flips when you multiply or divide by a negative number.
3 0
3 years ago
Solve and recieve brain list ​
Mashutka [201]

Answer:

-x -7y=-15

y=3x-1

-x-7(3x-1)=-15

-x-21x+7=-15

-22x+7=-15

-22x=-15-7

-22x=-22

x=-22/-22

x=1

y=3x-1

y=3(1)-1

y=3-1

y=2

(1, 2)

4 0
2 years ago
Write a quadratic equation with the given roots. Write the equation in the form of ax^2+bx+c=0 where a b and c are integers
Bas_tet [7]

You haven't provided the required roots, but I can tell you how to do this kind of exercises in general.

If the x^2 coefficient is 1, i.e. the equation is written like x^2+bx+c=0, then you can say the following about the coefficients b and c:

  • b is the opposite of the sum of the roots
  • c is the multiplication of the roots.

So, for example, if we want an equation whose roots are 4 and -2, we have:

  • 4+(-2) = 4-2 = 2 \implies b = -2
  • 4 \cdot (-2) = -8 \implies c = -8

So, the equation is x^2-2x-8=0

If your roots are rational, you can work like this: suppose you want an equation with roots 3/4 and 1/2. You have:

  • \dfrac{3}{4}+\dfrac{1}{2} = \dfrac{3}{4}+\dfrac{2}{4} = \dfrac{5}{4} \implies b = -\dfrac{5}{4}
  • \dfrac{3}{4} \cdot \dfrac{1}{2} = \dfrac{3}{8} \implies c = \dfrac{3}{8}

And so the equation is

x^2 - \dfrac{5}{4} + \dfrac{3}{8} = 0

In order to have integer coefficients, you can multiply both sides of the equation by 8:

8x^2 - 10 + 3 = 0

5 0
3 years ago
The functions, f and g, are defined below.<br> f(x) = 2x² +5<br> g(x)=x-3<br> What is f(g( – 5))
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Answer:

a

Step-by-step explanation:

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3 years ago
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