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2 years ago

What is the difference between 89 and 236 ( math equation)

Mathematics

1 answer:

inn [45]2 years ago

3 0

Answer:

147

Step-by-step explanation:

236-89=147

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Solving inequalities by multiplication and division <br> 1. -8 < 8w

Alex73 [517]

Answer:

w > -1

Step-by-step explanation:

Hello There!

We want to simplify this expression to be more specific we want to isolate the variable (w) using inverse operations

So we want to get rid of the 8 in 8w

8w is the same as 8 times w (multiplication)

The inverse of multiplication is division so to get rid of the 8 we want to divide by 8 but remember whatever we do to one side we want to do to the other side. So we divide each side by 8

-8/8 = - 1

8w/8=w

we're left with w > -1

6 0

2 years ago

Read 2 more answers

For the given quadratic equation convert into vertex form, find the vertex and find the value for x=6 Y=-2x^2+2x+2

Serga [27]

Answer:

Part 1) The vertex is the point (0.50,2.50)

part 2) $y=-58$

Step-by-step explanation:

we have

$y=-2x^{2} +2x+2$

Part 1) Convert into vertex form

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$y-2=-2x^{2} +2x$

Factor the leading coefficient

$y-2=-2(x^{2} -x)$

Complete the square. Remember to balance the equation by adding the same constants to each side

$y-2-0.50=-2(x^{2} -x+0.25)$

$y-2.50=-2(x^{2} -x+0.25)$

$y-2.50=-2(x-0.50)^{2}$

$y=-2(x-0.50)^{2}+2.50$ -----> equation in vertex form

The vertex is the point (0.50,2.50)

Part 2) Find the value of y for x=6

substitute the value of x in the equation

$y=-2(6)^{2} +2(6)+2$

$y=-72 +12+2$

$y=-58$

4 0

3 years ago

37. ABC has vertices A(0, 0) , B(0, 4) , and C(3, 0) . Write the equation for the line containing the altitude overline AR in st

Nutka1998 [239]

Answer:

3x - 4y = 0

Step-by-step explanation:

The triangle Δ ABC has vertices A(0,0), B(0,4) and C(3,0).

Therefore, the equation of the straight line BC in intercept form will be

$\frac{x}{3} + \frac{y}{4} = 1$

⇒ 4x + 3y = 12

⇒ $y = - \frac{4}{3}x + 4$ .......... (1)

This is a equation in slope-intercept form and the slope is $- \frac{4}{3}$ .

Now, the altitude AR is perpendicular to equation (1) and hence its slope will be $\frac{3}{4}$ .

{Since, the product of slope of two mutually perpendicular straight line is always - 1}

Therefore, the equation of the altitude AR which passes through A(0,0) will be

$y = \frac{3}{4}x$

⇒ 4y = 3x

⇒ 3x - 4y = 0 (Answer)

4 0

2 years ago

What is the solution to the opening sentence?

777dan777 [17]

Hello.

The answewr is: 3

Step 1: Subtract 2x from both sides.

4x−4−2x=2x+2−2x

2x−4=2

Step 2: Add 4 to both sides.

2x−4+4=2+4

2x=6

Step 3: Divide both sides by 2.

2x2=6/2

Have a nice day

7 0

3 years ago

Which of the following statements is false?

Studentka2010 [4]

A think it’s a

Because I’m right

3 0

2 years ago