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Anarel [89]
3 years ago
9

Which of the following could be a first step in correctly solving the equation below?

Mathematics
1 answer:
nekit [7.7K]3 years ago
8 0
Definitely the correct answer is D.  You need to expand the product 5(x-2), and then to group all x terms together and all constants together.
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Please answer I will give the brainliest if FIRST and RIGHT
Elis [28]

Answer:

Step-by-step explanation:

I got - 70/9 or -7 7/9

The third option.

1/3y-7/5x+2/3-2/3y-4/9

3 0
3 years ago
Read 2 more answers
A herd of dinosaurs made paintings in the sand with their claws.
Sati [7]

baby Dino = 15 paintings
Adult Dino = 7 paintings
Entire herd = 208 paintings

//Defining of Variables:
A = no. Of Adult
B = no. Of Baby

This is a simultaneous question so we’ll have to make up some equations.

3B = A —— (1)
This means there is 3x as many baby Dino as adult Dino

15B + 7A = 208 —— (2)
This means 15 paintings being painted by B number of babies + 7 paintings being painted by A number of Adults is 208 paintings.

Those are the equations we set.
Since we know A = 3B,

We can substitute A = 3B into (2).
As such:

15B + 7A = 208
15B + 7(3B) = 208
15B + 21B = 208
36B = 208.

We did that so that we only have 1 unknown variable so that we can calculate what is the value of a unknown variable, which in this case, is B.
If we furthur solve that equation above,

36B = 208
B = 5.777777777 ????

The reason why I was left with 5.77777777 amount of baby dinosaurs is because I didn’t know the value of the variables correctly as you didn’t state it clearly.

However, I’ve done the concept behind this question and I hope it helps you :)

If you would like me to solve it, could you please give me the values of the variables clearly?

Thanks, and have a good day ahead!

8 0
3 years ago
The expression 2(l + w) is used to calculate the perimeter of a rectangle, where I is length and w is width. If the length is 2/
Ksju [112]

Answer:

I think it is 1

Step-by-step explanation:

I am sorry if it is not correct

8 0
3 years ago
Someone please help me​
const2013 [10]

Answer:

40

Step-by-step explanation:

Quadrilateral QRSU forms a euclidean kite this means PR would be 2(mST)

6 0
3 years ago
If you can buy 4⁄5 of a pound of ham for 3 dollars, how much can you purchase for 10 dollars? Write your answer as a fraction of
ryzh [129]
= [(4/5)/3] * 10 pounds
= (4 * 10)/15 pounds
= 40/15 pounds
= 8/3 pounds
= 2 2/3 pounds
Answer: 2 2/3 pounds
7 0
3 years ago
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