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2 years ago

4a^{2}+9b^{2} -x^{2} -1+12ab-2xy can someone explain this pls it's hurting my brain:,)

1 answer:

5 0

It’s an expression. there is no like terms within the expression so it remains the same. each variable is different because of either the “a, b, x, y” or the squared.

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Courtney had $55 to spend at the fair. She paid $22.50 for rides and $14.25 for lunch and snacks. Courtney says she has $18.25 l

Sever21 [200]

B. is the answer all it asking you is she correct that she only has 18.25 to play with for the games.

3 0

3 years ago

Ellen drove 357.9 miles. Her car gets about 21 miles per gallon. Which is the best estimate of how many gallons of gas Ellen use

olga55 [171]

The best thing to do is to divide the amount she has driven (357.9) by the miles (21)
As you're looking for an estimate, you have to round them.
357.9 rounds to 360
21 rounds to 20
Therefore, you've got to divide them
360/20= 18
Therefore, Ellen has driven approximately 18 miles
Hope this helps :)

7 0

3 years ago

Read 2 more answers

What is a similar triangle?

statuscvo [17]

$\large\text{Hey there!}$

$\large\text{\bf{Similar triangles}}}\large\text{ \underline{are basically} \boxed{\text{triangles that have the same SHAPE}}}\\\boxed{\large\text{but they can still be different. They can still be similar if one them is}}\\\boxed{\large\text{rotated or one of them is reflected image of the other triangle}}\checkmark$

$\large\text{Good luck on your assignment and enjoy your day!}$

~ $\dag\dfrac{\frak{LoveYourselfFirst}}{:)}$

5 0

3 years ago

Please anyone help ???? Please help me !!!!

baherus [9]

Answer:

Step-by-step explanation:

(1/2) * (2 x - 6) (x - 2)

is equivalent to

x^2 - 5 x + 6

4 0

3 years ago

Randy and Carla like to walk the path

Maksim231197 [3]

<h3>Answer: 18 miles</h3>

Reason:

The path is 2 miles and Randy walked it 13 times. He walked a total of 2*13 = 26 miles.

Carla walked the path 22 times, so she walked a total of 2*22 = 44 miles.

The difference of those results is 44-26 = 18 miles.

If you wanted to do the full calculation in one line, then it would be

2*22 - 2*13 = 18

or you could say

2*(22-13) = 18

8 0

2 years ago