3 years ago

Write an expression Four less than the product of 3 and a number x

Mathematics

1 answer:

nekit [7.7K]3 years ago

4 0

(3 * x) - 4 is the expression.

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1. Solve the following equation.(MAFS.8.EE.3.7) 5(3x + 7) + 2x = 7x – 5(–2x + 9)

Ksivusya [100]

Answer:

there is no solution

Step-by-step explanation:

Expand.

15x+35+2x=7x+10x-4515x+35+2x=7x+10x−45

2 Simplify 15x+35+2x15x+35+2x to 17x+3517x+35.

17x+35=7x+10x-4517x+35=7x+10x−45

3 Simplify 7x+10x-457x+10x−45 to 17x-4517x−45.

17x+35=17x-4517x+35=17x−45

4 Cancel 17x17x on both sides.

35=-4535=−45

5 Since 35=-4535=−45 is false, there is no solution.

No Solution

4 0

2 years ago

Read 2 more answers

12(4^3−6⋅3^2) solve please fast

Marrrta [24]

The answer is 291.72

3 0

3 years ago

Read 2 more answers

A park has a length to width ratio of 7:4 and the perimeter of the park is 880 meters. What are the length and width of the park

Schach [20]

Step-by-step explanation:

Ratio of length to width = 7 : 4

length = 7x

width = 4x

7x + 4x = 11x

length = 880

$880 + 4x = 11x$

$880 = 11x - 4x$

$880 = 7x$

$\frac{880}{7} = x$

$125.71 = x$

width = 4x

= 4(125.71)

= 502.85

3 0

2 years ago

The nth term of a sequence is n^2 + 20.

Olegator [25]

Answer:

$\large\boxed{a)\ 21,\ 24,\ 29}\\\boxed{b)\ \text{five terms}}$

Step-by-step explanation:

$a_n=n^2+20\\\\a)\\\\\text{Substitute}\ n=1,\ n=2\ \text{and}\ n=3\ \text{to the }\ a_n:\\\\a_1=1^2+20=1+20=21\\\\a_2=2^2+20=4+20=24\\\\a_3=3^2+20=9+20=29$

$b)\\\\\text{You have to solve the inequality:}\\\\n^2+20$

3 0

3 years ago

Solve y = x + 4 for x, Ox=y - 4 Ox=y+ 4 Ox=-y + 4 Ox=-y - 4

Hitman42 [59]

Answer:

x=y+4

Step-by-step explanation:

bc you add four bc it's the opposite

5 0

3 years ago