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3 years ago

PLZ HELP ASAP!!!!!!!!!!!

Mathematics

2 answers:

IRISSAK [1]3 years ago

8 0

Okay, so for the range you need to order the numbers from least to greatest. Then do the biggest number minus the smallest number. For example, the range of 20,30,40,50 would be 50 - 20. If they were listed like 30,20,50,40 you have to put them in order.

lorasvet [3.4K]3 years ago

5 0

For number 3 add all the numbers and divide how numbers you have

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Solve 1/3x^2 + 11x - 75 < 105

ICE Princess25 [194]

⅓x² +11x-75<105
⅓x² +11x-75-105<0
⅓x² +11x -180<0
x² +33x - 540<0
(x+45)(x-12)<0
(x-12)<0 or (x+45)>0
x<12 or x >-45
answer is A

6 0

3 years ago

shape ABCDEF is an irregular hexagon. prove that the sum of the shape is720 degrees. show ur working. (3marks)

guajiro [1.7K]

Answer:

Here's one way to do it

Step-by-step explanation:

Divide the hexagon into triangles, for example, as in the diagram below.

The triangles are all inside the hexagon, so the sum of their interior angles is the sum of those of the hexagon.

The sum of the interior angles of a triangle is 180°.

There are four triangles, so

Sum of interior angles = 4 × 180° = 720°

8 0

3 years ago

20 1/8-11/40 and is has to be a fraction

dem82 [27]

Answer:

397/20

Step-by-step explanation:

i think?

if im wrong im sorry

3 0

2 years ago

Read 2 more answers

How does writing a function rule as an equation help you solve problems with more than one situation or parameter?

Paha777 [63]

Because then you can replace the variables with the actual value and see of the equation is true.

7 0

3 years ago

Sin(3pi over 4) = _____

OlgaM077 [116]

If you're using the app, try seeing this answer through your browser: brainly.com/question/2790456

______________

$\mathsf{sin\!\left(\dfrac{3\pi}{4}\right)}\\\\\\ =\mathsf{sin\!\left(\dfrac{3\cdot 180^\circ}{4}\right)}\\\\\\ =\mathsf{sin(135^\circ)}\\\\ =\mathsf{sin(180^\circ-135^\circ)}$

$=\mathsf{sin(45^\circ)}\\\\ =\mathsf{\dfrac{\sqrt{2}}{2}}\quad\longleftarrow\quad\textsf{this is the answer.}$

I hope this helps.=)

Tags: <em>sine sin common angles trig trigonometry </em>

8 0

3 years ago