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saw5 [17]
2 years ago
8

7/3 + x=3;x math I really need help

Mathematics
1 answer:
Ksju [112]2 years ago
6 0

Given:

The equation is:

\dfrac{7}{3}+x=3

To find:

The value of x.

Solution:

We have,

\dfrac{7}{3}+x=3

Subtract both sides by \dfrac{7}{3}.

\dfrac{7}{3}+x-\dfrac{7}{3}=3-\dfrac{7}{3}

x=\dfrac{9-7}{3}

x=\dfrac{2}{3}

Therefore, the value of x is \dfrac{2}{3} or it can be written as 0.667.

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If f(x) = – x2 + 6x - 1 and g(x) = 3x<br> - 1, find (f + g)(x).
lesantik [10]

Answer:

-x^2 +9x -2

Step-by-step explanation:

f(x) = – x^2 + 6x - 1 and g(x) = 3x - 1,

(f + g)(x) = f(x) + g(x)

               = – x^2 + 6x - 1 + 3x - 1

Combine like terms

              = -x^2 +9x -2

6 0
3 years ago
Wirth 20 points (02.02)A shape is shown on the graph:
miv72 [106K]

Answer:

The reflection of the dots marked is on the opposite side at the same numbers and lines but with a different sign in front of the number.

Step-by-step explanation:

HOPE I HELPED

8 0
3 years ago
Read 2 more answers
(9⋅10
cestrela7 [59]

Answer:

  A. -18·10^6

Step-by-step explanation:

The rules of exponents apply to powers of 10 used in scientific notation. The associative and commutative properties of multiplication also apply.

<h3>Application</h3>

  (a^b)(a^c) = a^(b+c)

The numerical product is ...

  (9\cdot10^9)\cdot(-2\cdot10^{-3})=(9)(-2)(10^{9-3})=\boxed{-18\cdot10^6}

__

<em>Additional comment</em>

Expressed in scientific notation, the result would be ...

  -1.8\cdot10^7

Your calculator can perform this multiplication for you.

8 0
1 year ago
Combine like terms to simplify the expression:<br> -6 + 8 − 3x + 13x
eimsori [14]

Answer:

10x+2

Step-by-step explanation:

-3x and 13x are like terms and -3x+13x=10x

-6 and 8 are like terms and -6+8=2

Therefore you have 10x+2

3 0
3 years ago
2x−9y=14 x=−6y+7 ​ x= y=
Assoli18 [71]

Answer:

x =7, y = 0

Step-by-step explanation:

2x - 9y = 14...(1) \\  \\ x =  - 6y + 7...(2) \\  \\ from \: equation \: (1) \: and \: (2) \\  \\ 2( - 6y + 7) - 9y = 14 \\  \\  - 12y + 14 - 9y = 14 \\  \\  - 21y = 14 - 14 \\  \\  - 21y = 0 \\  \\ y =  \frac{0}{ - 21}  \\  \\ \huge \red{ y = 0} \\  \\ x =  - 6 \times 0 + 7 \\  \\ x = 0 + 7 \\  \\  \huge \purple{x = 7}

7 0
3 years ago
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