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3 years ago

I need help with this math question I don’t understand

Mathematics

1 answer:

Illusion [34]3 years ago

7 0

What’s your question bro

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How do you simplify 1/5(40x^5+13x^3-3x-5)-(3x^5-5x^3+5x)

Montano1993 [528]

Answer:

Step-by-step explanation:

As you learned use quadratic equations

7 0

3 years ago

The mean of three numbers is 8<br>Two of the numbers are 6 and 11<br>Work out the third number.

Natali [406]

Answer:

$x=7$

Step-by-step explanation:

→ Form an equation

$\frac{x+6+11}{3}=8$

→ Solve

$x+6+11=24\\$

$x=7$

5 0

3 years ago

The sum of the first n consecutive even numbers can be found using S = n2 + n, where n ≥ 2.

viktelen [127]

The following are the choices on this question:
A.6
B. 39
C. 26
D. 12
The answer is option D. 12.

Check this out:
S=n² + n
S= 12² + 12
(you can get the square of 12 by multiplying 12 by itself: 12 × 12)
S=144 +12
S=156

3 0

3 years ago

Read 2 more answers

Which ordered pair is in the solution set of the system of linear inequalities? y >3/2 x – 1 y <3/2 x – 1 (–5, 2) (2, 2) (

Vikentia [17]

Answer:

No solution

Option 4 is correct

Step-by-step explanation:

Given: The system of inequality

$y>\dfrac{3}{2}x-1$

$y$

We need to choose correct option.

Option 1: (-5,2)

Put x=-5 and y=2

Equation 1 Equation 2

$2>\dfrac{3}{2}(-5)-1$ $2$

$2>-8.5$ $2$

TRUE FALSE

Option 2: (2,2)

Put x=2 and y=2

Equation 1 Equation 2

$2>\dfrac{3}{2}(2)-1$ $2$

$2>2$ $2$

FALSE FALSE

Option 3: (5,2)

Put x=-5 and y=2

Equation 1 Equation 2

$2>\dfrac{3}{2}(5)-1$ $2$

$2>6.5$ $2$

FALSE TRUE

Option 1, 2 and 3 are incorrect because both equation must be true for solution.

Hence, Option 4 is correct no solution.

6 0

3 years ago

Read 2 more answers

What is 62 rounded to the nearest hundred .

kiruha [24]

100 i hope it helped

4 0

3 years ago

Read 2 more answers