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Furkat [3]
3 years ago
12

What is the value of the expression(25 - 7) X 2 + 4 + 2?​

Mathematics
2 answers:
MissTica3 years ago
4 0

Answer:42

Step-by-step explanation:

Mnenie [13.5K]3 years ago
4 0

Answer: 42.

Step-by-step explanation:

First, you identify what method you need to use for solving this problem. I used Pemdas. Pemdas is the steps to take for most equations. Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction.

You do the parenthesis part of the equation first. 25-7= 18.

Next, following the order of Pemdas, you multiply the answer you just got from the parenthesis by 2. 18x2= 36.

Then, you add 4 to the answer to the last step. 36+4= 40.

Lastly, you add 2 to the answer from the last step. 40+2= 42.

I hope this benefits you. Good luck!

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Lisa is 6 centimeters taller than her friend Ian. Ian is 10 centimeters taller than Jim. Every month, their heights increase by
Temka [501]

Lan is 146 centimeters tall now.

<u><em>Explanation</em></u>

Let, Lan's current height is h centimeters

As Lisa is 6 centimeters taller than Lan and Lan is 10 centimeters taller than Jim, so Lisa's current height = (h+6) centimeters and Jim's current height = (h-10) centimeters.

Every month, their heights increase by 2 centimeters.

So, after 5 months.....

Lan's height = h+(2*5)=(h+10) centimeters,

Lisa's height = (h+6)+(2*5)= (h+16) centimeters and

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Given that, the sum of Ian's and Jim's heights will be 140 centimeters more than Lisa's height in 5 months. So the equation will be....

(h+10)+h= (h+16)+140\\ \\ 2h+10=h+156\\ \\ 2h-h=156-10\\ \\ h=146

So, the current height of Lan is 146 centimeters.

7 0
3 years ago
Find the perimeter and the area of the figure. Round answers to the nearest tenth.
vlada-n [284]

Answer:

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Step-by-step explanation:

15 plus 15 is 30 30 plus 4 is 34

7 0
2 years ago
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viktelen [127]

Answer and step-by-step explanation:

We learn that (a+b)^3 = a^3 + 3a^2b + 3ab^2 + b^3

So in this case, it would be:

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This is the standard form of the equation

Hope it help you :3

6 0
3 years ago
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kenny6666 [7]

Answer:

$365.70

Step-by-step explanation:

The formula to find this is y = a(1+r)^t\\

For this, a is the initial amount, r is the growth rate percentage (but displayed as a decimal), and t is time.

So to solve, you would do

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6 0
2 years ago
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