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weqwewe [10]
3 years ago
12

Noah has a mask collection of 40 masks. He keeps some in a display case and the rest on the wall. He keeps 15% of his masks in t

he display case. How many masks does he keep on his wall?
Mathematics
2 answers:
Marta_Voda [28]3 years ago
6 0

Answer:

40

Step-by-step explanation:

daser333 [38]3 years ago
6 0

Answer:

6

Step-by-step explanation:

40 * 15% = x

40 * 0.15 = x

6 = x

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Find the value of x and the perimeter of the following shapes:
ratelena [41]

Answer:

x=2, perimeter=14

Step-by-step explanation:

Finding x

(x+1)(x+2)

x^2+2x+x+2=12

x^2+3x-10

x^2-2x+5x-10

x(x-2)5(x-2)

(x+5)(x-2)

x=-5

x=2

Length or Width should be a positve number.

x=2

Perimeter:

3+3+4+4=14

5 0
3 years ago
Repartos Equitativos: A:Repartir 21 chocolates en 5 niños (dividir) B:Repartir 10 chocolates en 3 niños (dividir)
lana [24]

Respuesta:

4 1/5 bombones

3 1/3 bombones

Explicación paso a paso:

Distribuir 21 bombones entre 5 niños;

21/5 = 4 resto 1

Por lo tanto, se le da 4 chocolates a cada niño y el 1 chocolate restante se divide en 5 partes iguales y se le da 1/5 a cada niño. Por lo tanto, cada niño recibe 4 1/5 chocolates.

Distribuir 10 bombones entre 3 niños;

10/3 = 3 resto 1

Por lo tanto, se le da 3 chocolates a cada niño y el 1 chocolate restante se divide en 3 partes iguales y se le da 1/3 a cada niño. Por lo tanto, cada niño recibe 3 1/3 chocolates.

8 0
3 years ago
Which of the following ratios are equivalent to 6:8?
Whitepunk [10]
12 to 16 should be the only one.
i looked over ti and 9/12 is also equivalent.
if you multiple by 1.5 that gets you 9/12
4 0
3 years ago
Evaluate the expression when x = -6<br> x with the power of 2 7x -5
miss Akunina [59]

answer:

-167

Step-by-step explanation:

if x=-6 you use the equation with -6 for x, 27 times -6 is -162, -162-5 is -167.

4 0
3 years ago
2(length + width). What is the perimeter, in units, of a rectangle of length fraction 1 over 3 unit and width fraction 1 over 2
lubasha [3.4K]

Answer:

<u>1 and 2/3</u>

Step-by-step explanation:

If

length = 1/3     and width= 1/2

then the equation will look like this,

2(1/3+1/2)

1/3+1/2= 5/6

2(5/6)=<u> 1 and 2/3</u>

8 0
3 years ago
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