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2 years ago

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The plans for set of stairs are shown below. Using points x and z find the slope of the line down the stairs. Then verify that t

he slope is the same at a different location by choosing a different set of points.

1 answer:

tamaranim1 [39]2 years ago

5 0

Answer:

slope or line segment z to x:

4/6x Or 2/3x

Step-by-step explanation:

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Solve the inequality 2x2 + 10x < –8

BigorU [14]

Answer:

-4<x<-1

Step-by-step explanation:

To solve the problem, we divide the whole expression by 2:

2x^2 + 10x < –8 → x^2 + 5x < –4

→ x^2 + 5x + 4 < 0

Factorizing

→ (x+4)(x+1) < 0

The expression is ONLY negative when:

x>-4 and x<-1

Therefore, the solution is:

-4<x<-1

5 0

2 years ago

Please help me fast

solong [7]

Answer:

5/4 do the 2 lines then add1 then u get the anwswr

Step-by-step explanation:

8 0

2 years ago

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(X-3)²=-49solve for x

rjkz [21]

X=10 because. (X-3)=-49. so (10-3) with the power of 2=-49

3 0

2 years ago

The area of a rectangle is 42 ft squared, and the length of the rectangle is 5 ft more than twice the width. Find the dimensions

stira [4]

Answer:

<h3>Length = 12 ft</h3>

Width = $\frac{7}{2} ft$

Step-by-step explanation:

Given,

Area of rectangle = $42 \: {ft}^{2}$

Width = X

Length = 2x + 5

Now,

$x(2x + 5) = 42$

$2 {x}^{2} + 5x = 42$

$2 {x}^{2} + 5x - 42 = 0$

$2 {x}^{2} + 12x - 7x - 42 = 0$

$2x(x + 6) - 7(x + 6) = 0$

$(2x - 7)(x + 6) = 0$

Either

$2x - 7 = 0$

$2x = 0 + 7$

$2x = 7$

$x = \frac{7}{2}$

Or,

$x + 6 = 0$

$x = 0 - 6$

$x = - 6$

Negative value can't be taken.

So, width = $\frac{7}{2} ft$

Again,

Finding the value of length,

Length = $2x + 5$

$2 \times \frac{7}{2} + 5$

$7 + 5$

$12$

Length = 12 ft

7 0

2 years ago

Read 2 more answers

At the product store you can buy four bags of bananas for 2084 how much would it cost if you were to buy 3 bags

Darya [45]

Answer:

1563

Step-by-step explanation:

x= 1 bag of bananas

so, 4x=2084

Divide 2084 by 4 to find how much 1 bag of bananas would cost. 2084/4= 521.

To find how much 3 bags of bananas would cost, multiply 521 (the price of one bag) by 3. 521x3= 1563

3 bags of bananas are $1563

3 0

2 years ago