10x=120 what is x i know this but i will give you guys a chance

Answers

Answer 1

Answer: first simplify 10x = 120 then solve 10x = 120 to solving for variable 'x' move all terms containing x to the left, all other terms to the right. then divide each side by '10'. x = 12 is ur answer ^-^ hope this helps

Answer 2

Answer: Solutions

10x=120

1) Divide both sides by 10 to isolate variable x

x = 120 ÷ 10

2) Simplify 120 ÷ 10 to 12

x = 12

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Answers

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X^2 + 20x + 28 = 9 find the graphing/vertex form

Answers

Answer: $(x+10)^2+119=0$

Step-by-step explanation:

For a quadratic equation, the vertex form is given by : $y=a(x-h)^2+k$ , where (h, k) is the vertex.

The given quadratic equation: $x^2 + 20x + 28 = 9$

Subtract 9 from both sides

$=x^2+20x+19=0$

compare this to $x^2+bx=c$ , and add $((b)/(2))^2$ both sides

b= 20

$x^2+20+100+19=-100$ [(b/2)²=20/2=10]

$\Rightarrow\ x^2+2(x)(10)+10^2+119=0$

$\Rightarrow\ (x+10)^2+119=0\ \ \ [\because\ (a+b)^2=a^2+b^2+2ab]$

So, the vertex form : $(x+10)^2+119=0$

If the first step in the solution of the equation -9 + x = 5x - 7 is "subtract x," then what should the next step be?

Answers

add 7
so it will be like this

-9 + 7 = 5x - x
-2 = 4x
divide by 4
$(-2)/(4)$ = $(4x)/(4)$
x = $(-1)/(2)$

Answer:

add 7

Step by step explain:

Tate has 5 more than twice as many pennies as Mia. If Mia hasx pennies, how many does does Tate have?

Answers

Answer:

Tate has 2x + 5 pennies.

Step-by-step explanation:

W are given that

Number of pennies that Mia has is x.

we have to find Number of pennies that Tate has.

Given Statement says Tate has 5 more than twice as many as Mia.

according to it, we have

Twice as many as Mia = 2x

5 more means 2x + 5

Therefore, Tate has 2x + 5 pennies.

Tate = 2m+5

m = 6

2(6)+5 = 17.

20 POINTSThe expression 2x(3x^2 + 4) can be simplified into which of the following?
A. 5x^3 + 6x
B. 6x^2 + 8x
C. 6x^3 + 4
D. 6x^3 + 8x

Answers

Answer:

D. 6x^3 + 8x

Step-by-step explanation:

2x(3x^2 + 4)

Distribute the 2x

2x(3x^2) +2x( 4)

6x^3 +8x

True or false: any nonzero integers, the product and the quotient have the same sign. Why?

Answers

False. This is because no matter what the number is, the properties of multiplication and division stay the same. So, if one odd and even number multiply/divide, then the answer will be negative. But, if two numbers of the same sign (both either negative or positive) are divided/multiplied, they will both be positive. Therefore, the result is not always the same sign as the starting integers

Hope this helped! :D

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8 friends started a business. They will wear either a baseball cap or a shirt imprinted with their logo while working. They want to spend exactly $36 on the shirts and caps. Shirts cost $6 each and caps cost $3 each. Write a system of equations to describe the situation. Let x represent the number of shirts and y represent the number of caps.Graph the system. What is the solution and what does it represent?