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irina1246 [14]
3 years ago
6

An algebraic expression that may contain numbers, variables, and exponents.

Mathematics
1 answer:
erica [24]3 years ago
3 0

Answer:

3x^2 + 7xy + 5

Step-by-step explanation:

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A triangle flower bed has a perimeter of 15cm the drawing has a scale of 1:200. What is the perimeter of the actual flower bed
Natasha_Volkova [10]

Answer:

300cm

Step-by-step explanation:

scale 1:200 means 1cm on drawing represent 200cm on ground so 15cm will be 15×200 which is 3000cm

4 0
3 years ago
Find all the zeros of the equation<br> -2x^4+27x^2+1200=0
Angelina_Jolie [31]
For this case we have the following polynomial:
 -2x ^ 4 + 27x ^ 2 + 1200 = 0
 To solve the problem we apply the following steps:
 1) We make a change of variables u = x ^ 2
 2) We rewrite the polynomial
 3) Solve the quadratic equation using the formula for the quadratic equation
 4) We return the change and find four roots
 Answer:
 
See attached image for procedure and solution

4 0
4 years ago
What is the ans and pls explain
prohojiy [21]
The answer is a happy to help
8 0
3 years ago
X(x²_1)=0<br>i need the answer plz​
xeze [42]

Answer:

y=x^2

Step-by-step explanation:

6 0
3 years ago
THIS PROBLEM IS WORTH 50 POINTS!!!<br>WHAT IS 2+2×9÷3+10-45+21=
inn [45]
Hello,

Shall we begin?

= 2 + 2×9÷3+10-45+21
= 2 + 18 : 3 + 10 - 45 + 21
= 2 + 6 + 10 - 45 + 21
= - 6 


Answers: - 6
8 0
4 years ago
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