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Luden [163]
2 years ago
6

Helpp mee pleaseeeeeeee

Mathematics
1 answer:
mario62 [17]2 years ago
8 0

Answer:

52

Step-by-step explanation:

2((8)+(12)+(6))

2(8+12+6)

2(26)

52

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Solve the system substitution y= 4x + 1 and 3x+2y =13
strojnjashka [21]

Given :

{\qquad \sf \dashrightarrow  y= 4x + 1 \: –––– \sf \:  (i)}

{\qquad \sf \dashrightarrow   3x + 2y = 13 \: –––– \sf \:  (ii)}

Now, Substituing the value of y in equation (ii) :

{\qquad \sf \dashrightarrow   \: 3x + 2y = 13   }

{\qquad \sf \dashrightarrow   \: 3x + 2(4x + 1) = 13   }

{\qquad \sf \dashrightarrow   \: 3x + 8x + 2 = 13   }

{\qquad \sf \dashrightarrow   \: 11x + 2 = 13   }

{\qquad \sf \dashrightarrow   \: 11x  = 13 - 2   }

{\qquad \sf \dashrightarrow   \: 11x  = 11   }

{\qquad \sf \dashrightarrow   \: x  =  \dfrac{11}{11}    }

{\qquad \sf \dashrightarrow   \bf \: x  = 1   }

Now, substituting the value of x in equation (i) :

{\qquad \sf \dashrightarrow  y= 4x + 1}

{\qquad \sf \dashrightarrow  y= 4(1) + 1}

{\qquad \sf \dashrightarrow  y= 4 + 1}

{\qquad \bf \dashrightarrow  y= 5}

8 0
2 years ago
The wholesale price for a of shoes is $7.50. A certain department store marks up the wholesale price by 50%. Find the price of t
morpeh [17]

Answer:

$11.25

Step-by-step explanation:

1.5×7.5=11.25

4 0
3 years ago
Mrs. Grudman bought a dishwasher at a special sale. The dishwasher regularly sold for
aliina [53]

Answer:

So let's take a look into the question, "Mrs. Grudman bought a dishwasher at a special sale. The dishwasher regularly sold for

$912. No down payment was required. Mrs. Grudman has to pay $160 for the next six months. What is the average amount she pays in interest each month?"

Step-by-step explanation:

So, " Mrs. Grudman has to pay $160 for the next six months" they want us to multiply, $160

              x

                    6

              _______

                  960

So, 960 is your answer. Hope this helps!    

3 0
2 years ago
One side of a right triangle is 8 cm shorter than the hypotenuse and 7 cm shorter than the third side. Find the lengths of the s
Reptile [31]

Answer:

5 cm

Step-by-step explanation:

Let the shorter side be a, longer side be b, hypotenuse be c

By Pythagorean theorem:

a² + b² = c²

a² + (a + 7)² = (a + 8)²

a² + a² + 14a + 49 = a² + 16a + 64

a² - 2a - 15 = 0

a² + 3a - 5a - 15 = 0

a(a + 3) - 5(a + 3) = 0

(a + 3)(a - 5) = 0

a = -3 or a = 5

Because a is a side length and is a positive number

a = 5

7 0
3 years ago
A student is conducting a probability experiment and wants to know the total number of outcomes for the experiment. The student'
MissTica

Answer:So to get a 6 when rolling a six-sided die, probability = 1 ÷ 6 = 0.167, or 16.7 percent chance. So to get two 6s when rolling two dice, probability = 1/6 × 1/6 = 1/36 = 1 ÷ 36 = 0.0278, or 2.78 percent.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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