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Marta_Voda [28]
3 years ago
7

I could use some help please! please

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
5 0

Answer:

The integers could be 21 and 22

or -22 and -21

Step-by-step explanation:

If two integers are consecutive, then it means that their difference is just 1

if we have the initial value as x , then the other value could be x-1 or x + 1

let us go with x-1

So the product here is;

x(x-1) = 462

x^2-x = 462

x^2 -x -462 = 0

x^2 -22x + 21x - 462 = 0

x(x-22) + 21(x-22) = 0

(x + 21)(x-22) = 0

x = -21 or x = 22

If x = -21

x -1 = -21-1 = -22

if x = 22

x -1 = 22-1 = 21

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At an electronic store, 4 phones and 3 laptops together cost $1580.62. The total cost of 2 laptops and 5 cameras is $1340.90. If
Mashutka [201]

Answer:

$2,677.72

Step-by-step explanation:

L = 3C

P

4P + 3L = 1,580.62

2L + 5C = 1,340.90

4P + 5L + 3C = ?

2L + 5C = 1,340.90

6C + 5C = 1,340.90

11C = 1,340.90

C = 121.90

121.90 * 3 = 365.70

L = 365.70

4P + 3L = 1,580.62

365.70 * 3 = 1,097.10

4P = 483.52

P = 120.88

C = 121.90

L = 365.70

P = 120.88

4P + 5L + 3C = ?

4(120.88) + 5(365.70) + 3(121.90) = 2,677.72

7 0
3 years ago
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5 0
2 years ago
X +2 times -2+107 = 180
Kryger [21]

Answer:

X = -3/7

Step-by-step explanation:

7 0
3 years ago
Which of these is a relation ​
Roman55 [17]

Answer:

Graph A

Step-by-step explanation:

For a relation to be said to be a function, each x-value must have exactly one y-value assigned to it. That is, no domain value has two different range value assigned to it.

Therefore, graph A is a function, because exactly 1 range value is assigned to each domain value.

7 0
3 years ago
Type the correct answer in each box. If necessary, use / for the fraction bar(s).
xz_007 [3.2K]

The value of x is 5/6 and y is 8/5.

Step-by-step explanation:

Given,

12x+15y=34   Eqn 1

-6x+5y=3   Eqn 2

Multiplying Eqn 2 by 2

2(-6x+5y=3)\\-12x+10y=6\ \ \ Eqn 3

Adding Eqn 1 and 3

(12x+15y)+(-12x+10y)=34+6\\12x+15y-12x+10y=40\\25y=40

Dividing both sides by 25

\frac{25y}{25}=\frac{40}{25}\\y=\frac{8}{5}

Putting y= 8/5 in Eqn 1

12x+15(\frac{8}{5})=34\\12x+3*8=34\\12x+24=34\\12x=34-24\\12x=10

Dividing both sides by 12

\frac{12x}{12}=\frac{10}{12}\\x=\frac{5}{6}

The value of x is 5/6 and y is 8/5.

Keywords: Linear equations, fractions

Learn more about fractions at:

  • brainly.com/question/6069822
  • brainly.com/question/6073431

#LearnwithBrainly

6 0
3 years ago
Read 2 more answers
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