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3 years ago

15

I need answer. Please help me.

2 answers:

Vanyuwa [196]3 years ago

6 0

I think it’s positive. As it gets heavier, the cost has a positive slope, or increases. I’m not absolutely sure though

Montano1993 [528]3 years ago

5 0

This is 100% positive.

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What is 5 7/8 minus 11/4

aksik [14]

First you need to simplify it so

5 7/8 = 5x8=40 40+7=47 so at the moment you have 47/8
then do
11/4 is fine so find the common denominator
in this case its 8 so 4x2=8 and then 11x2=22 so you have 47/8-22/8
which = 25/8 then you simplify and you get <em><u>3 1/8</u></em>

4 0

3 years ago

Find the area.<br> 5cm<br> 3cm<br> 4 cm

Ostrovityanka [42]

Answer:

6 cm²

Step-by-step explanation:

Since 3 side lengths are given, I assume that this figure is a triangle. The area of a triangle can be determined by using hero's formula.

$\text{Area of triangle} = \sqrt{\text{s(s - a)(s - b)(s - c)}$

⇒ s = Perimeter/2

⇒ a, b, and c = side lenths of triangle

<u>Replacing a, b, and c as the given side lengths:</u>

$\implies \text{Area of triangle} = \sqrt{\text{s(s - 5)(s - 3)(s - 4)}$

<u>Determining the perimeter of the triangle:</u>

$\text{Perimeter of triangle = Sum of it's side lengths}$

$\implies \text{Perimeter of triangle =}\ 5 + 4 + 3$

$\implies \text{Perimeter of triangle =}\ 12 \ \text{cm}$

<u>Determining the half of perimeter:</u>

$\text{Half of perimeter} = s = \dfrac{\text{Perimeter}}{2}$

$\implies s = \dfrac{12}{2}$

$\implies s = 6$

<u>Replacing the value of "s" in the formula:</u>

$\implies \text{Area of triangle} = \sqrt{\text{6(6 - 5)(6 - 3)(6 - 4)}$

<u>Evaluating the area:</u>

$\implies \text{Area of triangle} = \sqrt{\text{6(6 - 5)(6 - 3)(6 - 4)}$

$\implies \text{Area of triangle} = \sqrt{\text{6(1)(3)(2)}$

$\implies \text{Area of triangle} = \sqrt{\text{6(6)}$

$\implies \text{Area of triangle} = 6 \ \text{cm}^{2}$

6 0

2 years ago

Please answer I need this answer fast please

Fiesta28 [93]

D

its just a basic logarithmic law.

4 0

2 years ago

Read 2 more answers

Jordan went shopping last weekend and bought a pair of shoes. The shoes were originally priced at $124.00, but are now on sale f

12345 [234]

Answer: 7

Step-by-step explanation:

7 0

2 years ago

Solve the simultaneous equations:<br><br> 5x + 3y = 9<br> 7x - 2y = 25<br><br> x=__<br> y=__

kondor19780726 [428]

Answer:

x= 3, y= -2

Step-by-step explanation:

5x+3y= 9

x= 25÷7 + 2÷7 y

5(25÷7 +2÷7 y)

5( 25÷7 +2÷7 y ) + 3y= 9

y= -2

x= 25÷7 + 2÷7 x (-2)

x= 3

5 0

2 years ago