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katrin2010 [14]
3 years ago
8

Help will mark brainliest

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
6 0
The measure of A is 20
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Mr. Brown wants to buy a computer that costs 1100. He has saved $200 and he can save $150 each month. Mr Brown can buy tge compu
frutty [35]
The answer is 6 months because $1100 - $200 (which he already has) = $900. $900 divided by $150 (which he saves each month) = 6. So it took him 6 months to save up enough.
3 0
3 years ago
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Use the diagram below to answer questions 1-6. All rooms are rectangular. 1. What is the value of side A? Explain your thinking.
Anastasy [175]
  1. The answer is A = x since the opposite sides of a rectangle are the same length.
  2. We'll have B = 9x+2 since this must add to x+4 to result in 10x+6. You could also do (10x+6) - (x+4) and you'll end up with 9x+2.
  3. On the far left side, (5x-3)+A = 5x-3+x = 6x-3. The far right side must add to this. So, x+C+x-2 = 6x-3 turns into C = 4x-1 after isolating C.
  4. Multiply out (5x-3) with (9x+2) to get the full area of 45x^2-17x-6. The steps are shown below

(5x-3)(9x+2)

5x(9x+2)-3(9x+2)

45x^2+10x-27x-6

45x^2-17x-6

You could also use the FOIL rule to get this answer. The box method is another alternative.

4 0
3 years ago
K is the midpoint of Line JL, JL=4x-2 and JK=7. find X
ipn [44]
X=4. If k is the midpoint then JK is equal to KL. Since JK is 7 then KL is also 7 meaning JK is 14. JK is represented by the expression 4x-2 so you just set that expression equal to 14 and solve for x. Hope this helped!
7 0
3 years ago
After simplifying, how many terms does the expression 4y-6+y2-9 contain?​
Alex73 [517]

Answer:

There are three terms in the simplified expression.

Step-by-step explanation:

We have to simplify the expression and have to count the number of terms that the expression has.

The expression is 4y - 6 + y² - 9

= 4y + y² - 6 - 9

= y² + 4y - 15

Therefore, there are three terms in the simplified expression, one for y² term, another is y term and the constant term. (Answer)

8 0
2 years ago
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Select the correct answer.
Anuta_ua [19.1K]

Answer:

jeri drew a plgon with exatly three sides

4 0
2 years ago
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