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arlik [135]
3 years ago
15

Write an algebraic expression for the two verbal expressions: 1. The product of 5 and twice a number x, decreased by the product

of 3 and that same number. 2. Twice the sum of a number x, and another number y, increased by the product of the first number squared and 8.
Mathematics
1 answer:
strojnjashka [21]3 years ago
4 0

Answer:

7x for the first expression

2x + 2y + 8x^2

Step-by-step explanation:

5(2x) - 3x

= 10x - 3x = 7x

2x + 2y + x^2(8)

= 2x + 2y + 8x^2

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Someone explain it please
Alina [70]

9514 1404 393

Answer:

  ∠A = 44°

Step-by-step explanation:

In order to find the measure of angle A, you need to know the value of the variable x. This means you need some relation that you can solve to find x.

Happily, that relation is "the sum of angles in a triangle is 180°." This means ...

  84° +(x +59)° +(x +51)° = 180°

  (2x + 194)° = 180° . . . collect terms

  2x = -14 . . . . . . . . . . divide by °, and subtract 194

  x = -7 . . . . . . . . . . . .divide by 2

Now, the measure of angle A is ...

  ∠A = (x +51)° = (-7 +51)°

  ∠A = 44°

4 0
3 years ago
What is the value of z in the equation 2z + 6 = –4? (5 points) <br> 5 <br> 1 <br> –1 <br> –5
PtichkaEL [24]
The answer is -5. Hope this helps.
6 0
3 years ago
Read 2 more answers
In right ∆ABC, m B = 90°, m C = 40°, and BC = 10. What are the other two side lengths of the triangle?
Neporo4naja [7]
I hope this helps you

3 0
2 years ago
A 12 ft long playground is marked off into 1/5 ft long section for a game,how many sections are there
Mrac [35]
So its 12 divided by 1/5 so 
12 x 1= 12
1 x 5= 5

That is 12 over 5 and u will divide the numerator by the denominator to get 2.4 
Dont know if thts exactly right bcuz its been a while since i learned this but i hope it helps
4 0
2 years ago
You move down 6 units. You end at (10, 4). Where did you start?
Alexandra [31]

Answer:

(10,10)

Step-by-step explanation:

coordinates are (x,y)

x is horizontal(left and right), y is vertical (up and down)

going down 6 means subtracting 6 from the second number

lets reverse that to go up and add 6 back

4+6=10

so the original point was (10,10)

8 0
2 years ago
Read 2 more answers
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