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chubhunter [2.5K]
3 years ago
13

Combine like terms in the following expression: x^2 + y ^3 + 4x^2

Mathematics
1 answer:
rjkz [21]3 years ago
7 0
The answer is C. Once you add the like terms x^2 and 4x^2 you get your answer.
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Which expression represents "the sum of 5 and b divided by two
DIA [1.3K]

Step-by-step explanation:

<u>Break down the word expression:</u>

The sum of 5 and b divided by two

the sum (+) of 5 and b (5 + b) divided by 2.

<u>Expression:</u>

\frac{(b + 5)}{2}

Parentheses represent that we need to add first, in order to divide the sum by 2.

5 0
2 years ago
List the key parts of this graph and explain what each means in a real world context
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Which graph? I can not see any graph in there

3 0
3 years ago
Your uncle buys a new tv in sale for 448.99. The regular price for the tv was 724.99. What is the best estimate of the total amo
photoshop1234 [79]
So subtract $724.99 - $448.99 = 300
4 0
3 years ago
Read 2 more answers
Answer ASAP, Will give brainliest
erastova [34]

Answer:

Step-by-step explanation:

1) ABCD is a trapezium. AB ║ CD

∠ADC + ∠DAB  = 180°  { Co interior angles}

110° + ∠DAB = 180

         ∠DAB = 180 -110

∠DAB = 70°

2) Sum of all angles of trapezium = 360°

∠A + ∠B + ∠DCB + ∠D = 360

70° + 50° + ∠DCB + 110° = 360

                 230 + ∠DCB = 360

                            ∠DCB = 360 - 230

∠DCB = 130°

3) For finding the height, use Pythagorean theorem

height² + base² = hypotenuse²

      height² + 6² = 10²

      height² + 36 =100

               height² = 100 - 36

              height² = 64

               height = √64

height = 8 m

4) a = AB = x m

  b = 9 m

h = height = 8 m

Area of trapezium = 120 m²

\frac{(a+b)*h}{2}\\\\  = 120

\frac{(x+9)*8}{2} =120\\\\\\(x +9)*4 = 120

x + 9 = 120/4

x + 9 = 30

    x = 30 - 9

x = 21 m

AB = 21m

                             

7 0
3 years ago
What is 9 divided by 7488? Thank you if you help! :)
Gennadij [26K]
0.0012019231 but if you want to round then its just 0.0012 
4 0
3 years ago
Read 2 more answers
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