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laiz [17]
2 years ago
15

steven has 9 different shirts 5 different hats 4 different scarves. Steven thinks that if he picks just two of the three items o

f clothing there will be more than 180 combinations. is the correct
Mathematics
1 answer:
Lera25 [3.4K]2 years ago
6 0

Answer:

Steven is incorrect.

Step-by-step explanation:

Steven has

  • 9 different shirts
  • 5 different hats
  • 4 different scarves.

He picks just two of the three items of clothing. This can be made in

  • 9\cdot 5=45 different ways to choose shirt and hat;
  • 5\cdot 4=20 different ways to choose hat and scarf;
  • 9\cdot 4=36 different ways to choose shirt and scarf.

In total, there are

45+20+36=101

different ways to pick just two of the three items of clothing.

Since 101 Steven is incorrect.

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Identificati,prin verificare,ecuatia pentru care numarul x=3 este solutia
elena-s [515]

Answer:

concluzionăm că nu există o ecuație care să poată justifica valoarea x = 3 din opțiunile de mai sus după rezolvarea lor

Step-by-step explanation:

Urmează să aflăm din cele trei opțiuni date, care este una dintre opțiuni care rezultă în x = 3

Să rezolvăm opțiunea una după cealaltă pentru a deduce și determina care este răspunsul corect și corect.

a) -2*x + 3 = 9

-2x = 9 -3

-2x = 6

Împărțiți ambele părți la -2

x = 6/-2

x = -3

b) -4*x +5 = 7

-4x = 7 -5

-4x = 2

Împărțiți ambele părți la -4

x = \dfrac{2}{-4} \\ \\  \\ x= \dfrac{1}{-2}

c) \dfrac{1}{3}*x -8 =9

\dfrac{1}{3}x = 9 +8

\dfrac{1}{3}x =17

Înmulțiți ambele părți cu 3

x =17*3

x = 51

Prin urmare; concluzionăm că nu există o ecuație care să justifice valoarea x = 3 din opțiunile de mai sus după rezolvarea lor

5 0
2 years ago
A rectangle’s length is 2 units more than twice its width. Its area is 40 square units. The equation w(2w + 2) = 40 can be used
barxatty [35]
I hope this helps you

5 0
2 years ago
Read 3 more answers
Nikki and Jonathan both solve this system of equations: y=−2.7x+3.2 y = - 2 . 7 x + 3 . 2 y=1.3x+1.6 y = 1 . 3 x + 1 . 6 Jonatha
N76 [4]

We have two equations that were solved by Nikki and Jonathon:

  • y=−2.7x+3.2
  • y=1.3x+1.6

Equating the above two:

⇒ 1.3x + 1.6 = -2.7x + 3.2

⇒ 4x = 1.6

⇒ x = 0.4

Hence, substituting the value of x in one of the equations we get:

y = 1.3×0.4 + 1.6 = 2.12

So the solution is (0.4, 2.12)

Jonathon's solution was (0.4, 2.12) and Nikki's was (2.25, 0.5). Hence Jonathon gave the correct solution.

7 0
2 years ago
Read 2 more answers
Help me with this question!!!
qwelly [4]

Step-by-step explanation:

×=100

1. Divded 35 by 14 and u get 0.4

2

Divided 40 by 0.4 and u get 100

6 0
2 years ago
Read 2 more answers
7+6x14-9=37 insert parentheses
d1i1m1o1n [39]

Answer:

7+6\times(14-9)=37

Step-by-step explanation:

The given expression is

7+6\times14-9

If we evaluate the expression as it is  we will get;

7+84-9=82

But we want to insert parenthesis so that we will use PEDMAS to obtain 37 as the result.

The only way this can be achieved is when we insert the parenthesis as shown below;

7+6\times(14-9)=7+6(5)=7+30=37

4 0
2 years ago
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