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3 years ago

Marriane can say hello in more than 7 languages. Which number line could represent this situation?

Mathematics

1 answer:

Alina [70]3 years ago

8 0

Answer:

A) x > 7

Step-by-step explanation:

Since it's more than, the inequality would be >

Since it's >, that means it's an open circle

So,

x > 7

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-0.2x^2+0.9x+0.6=y<br>What's the vertex form for this equation?

hjlf

Answer: y = -0.2(x - 2.25)² + 1.6125

<u>Step-by-step explanation:</u>

$y = -0.2x^2 + 0.9x + 0.6\\\\y - 0.6 = -0.2x^2 + 0.9x\\\\y - 0.6 =-0.2(x^2-4.5x)\\\\y-0.6+\underline{(-0.2)(2.25)^2}=-0.2(x^2-4.5x+\underline{2.25^2})\\\\y-0.6-1.0125=-0.2(x-2.25)^2\\\\y-1.6125=-0.2(x-2.25)^2\\\\y=-0.2(x-2.25)^2+1.6125$

6 0

4 years ago

Please solve the equation <br> -4(2z+6)-12=4

VladimirAG [237]

Answer: z= -5

Step by Step:
-4(2z+6)-12=4
-8z-36=4
-8z-4+36
-8z=40
z=-5

7 0

3 years ago

Which function represents the area of the rectangle? 6x2 – 8x + 36 6x2 – 27x + 36 6x2 – 35x + 36 6x2 + 35x + 36

jonny [76]

Answer:

$Area = 6x^2 - 35x + 36$

Step-by-step explanation:

Given

$g(x)=3x-4$

$f(x)=2x-9$

Required

The area

This is calculated as:

$Area = f(x) * g(x)$

$Area = (3x -4) * (2x - 9)$

Open bracket

$Area = 6x^2 - 27x - 8x + 36$

$Area = 6x^2 - 35x + 36$

4 0

3 years ago

5% of 220 = plz i have no time

dalvyx [7]

Answer:

Step-by-step explanation:

Hop this helps!

5 0

4 years ago

Read 2 more answers

Whats one third of 39,900

o-na [289]

1/3 of 39,900 equals 1/3*39900

(1/3)*(39900/1)= 39900/3

39900/3= 13300

Final answer: 13,300

6 0

4 years ago