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ivanzaharov [21]
2 years ago
13

Drag the tiles to the correct boxes to complete the pairs.

Mathematics
1 answer:
expeople1 [14]2 years ago
8 0

Matching each word problem to the equation that models it :

  • The sum of the squares of two positive integers is 394. if one integer is less than the other and the larger integer is x, find the integers. is modelled by : 2x^{2} - 4x - 390 = 0
  • The sum of a positive integer x, and its inverse is \frac{4}{3}. Find the integer models = 3x^{2} - 4x + 3 = 0
  • The numerator of a fraction is 5 more than its denominator, if 3 is added to both the numerator and denominator, the fraction reduces to  \frac{4}{3}. Find the original fraction if x is its denominator models                 3x + 24 = 4x + 12

<h3>Meaning of word problem</h3>

A word problem is a problem that is written in english format. the student is left with a task to unravel and transform it to a mathemtical equation.

in conclusion, the word problem has been matched to their individual equation they model.

Learn more about word problem : brainly.com/question/13818690

#SPJ1

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PLEASE HELP ME NOW URGENT
timama [110]

ANSWER

y   = 3 \pm \sqrt{21}

EXPLANATION

The quadratic equation is:

{y}^{2}  - 6y - 12 = 0

Group variable terms:

{y}^{2}  - 6y = 12

Add the square of half, the coefficient of y to both sides.

{y}^{2}  - 6y  + ( - 3) ^{2} = 12 + ( - 3) ^{2}

{y}^{2}  - 6y  + 9= 12 + 9

The LHS us now a perfect square trinomial:

{(y - 3)}^{2}= 21

Take square root:

y - 3 =  \pm \sqrt{21}

y = 3 \pm \sqrt{21}

The first choice is correct.

8 0
3 years ago
Read 2 more answers
Which of the following is true of the constructions of an equilateral triangle, a square, and a regular hexagon when they are in
lidiya [134]
<span>a regular hexagon inscribed in a circle </span>
6 0
3 years ago
The following numerically ordered sequence of numbers has a mean
Vladimir79 [104]
Median =  middle number

Total ten numbers so 
median =   (17 + b)/2
given median = 18
so
(17 + b)/  2 = 18
17+b = 36
b = 36 - 17
b = 19

Now you have the data set
7, a , 12, 15 , 17, 19, 20, 22, 24 , 25

Mean =  (7 + a + 12+ 15 +17 + 19 + 20 + 22 +24  +25)/ 10
Given mean = 17

so
17 = (7 + a + 12+ 15 +17 + 19 + 20 + 22 +24  +25)/ 10
17 = (a + 161) / 10
a + 161 = 170
a = 170 - 161
a = 9

answer
a = 9
b = 19
7 0
3 years ago
Read 2 more answers
Item 3<br> Is this function linear or nonlinear?<br><br> y=2x²−4<br><br> linear<br><br> nonlinear
kodGreya [7K]

Answer:

B.nonlinear

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Help I will be marking brainliest!!!
Andrews [41]
The answer is b

work is attached as a pic, in future draw a diagram, it’ll help u understand

3 0
3 years ago
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