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dlinn [17]
3 years ago
12

In a inequality how do you do know when to flip the signs

Mathematics
1 answer:
vodomira [7]3 years ago
8 0
You will flip the signs when you have to multiply or divide your equation by a negative integer.
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Solve for y: 4y + 4 = -8
gtnhenbr [62]
The answer would be 1

8 0
3 years ago
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Put these points into an equation IN STANDARD FORM!!!!!!<br><br>(0,2) and (8,0)
zubka84 [21]

The equation of the line in standard form is x + 4y = 8

<h3>How to determine the line equation?</h3>

From the question, the points are given as

(0, 2) and (8, 0)

To start with, we must calculate the slope of the line

This is calculated using

Slope = (y₂ - y₁)/(x₂ - x₁)

Where

(x, y) = (0, 2) and (8, 0)

Substitute the known parameters in Slope = (y₂ - y₁)/(x₂ - x₁)

So, we have

Slope = (0 - 2)/(8 - 0)

Evaluate

Slope = -1/4

The equation of the line can be calculated using as

y - y₁ = m(x + x₁)

Where

(x₁, y₁) = (0, 2)

and

m = slope = -1/4

Substitute the known values in the above equation

So, we have the following equation

y - 2 = -1/4(x - 0)

This gives

y - 2 = -1/4x

Rewrite as

1/4x + y = 2

Multiply by 4

x + 4y = 8

Hence, the line has an equation of x + 4y = 8

Read more about linear equations at

brainly.com/question/4074386

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7 0
1 year ago
Help me please! Don’t skup
scoundrel [369]

I won't skup.

We have an eight of a circle has area 9π sq in, so the total circle has area

πr² = 8(9π) = 72π

r² = 72 = 2(36)

r = 6√2 ≈ 8.485281374238571

Answer: A. 8.48 inches

3 0
4 years ago
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A new machine tool is brought into a production line to help speed production. You take 200 seconds to produce the first widget.
Artemon [7]

Answer:

b = - 0.432

Step-by-step explanation:

It takes 200 seconds to produce the first widget. And by the 400th widget, it takes only 15 seconds.

Now, the formula that gives the time to make the nth widget is given by

T_{n} = T_{1} (n)^{b} and we have to evaluate the constant b from the above-given conditions.

So, 15 = 200(400)^{b}

⇒ 400^{b} = 0.075

Taking log on both sides

b log (400) = log (0.075)

⇒ b = - 0.432 (Answer)

3 0
3 years ago
Book-club members are required to buy a minimum number of books each year. Leslee bought 3 times the minimum. Denise bought 7 mo
kkurt [141]

Answer: 4 books

Step-by-step explanation:

x = minimum number of book

Leslee

= 3x (bought 3 times the minimum)

Denise

= x + 7 (bought 7 more than the minimum)

Together

= (3x) + (x + 7)

(3x) + (x + 7) = 23 (books they bought together)

3x + x + 7 = 23

3x + x = 23 - 7 (isolate the like variables together)

4x = 16 (divide both sides by 4)

x = 4

4 is the minimum number of books

To check:

3(4) + (4+7)

12 + 11 = 23

4 0
3 years ago
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