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3 years ago

-3x - 6 = 2x - 14x - 6

Mathematics

1 answer:

Harman [31]3 years ago

3 0

Answer:

x=0

Step-by-step explanation:

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How do you simplify the expression q(x) = (x² + x - 1) × (x² - x - 1)?

rewona [7]

Answer:

q=−3x3+4x2−x

hope this helped :)

Step-by-step explanation:

8 0

3 years ago

The side lengths, in centimeters, of a triangle are 5x, 32, and 2(3x + 2). perimeter of the triangle is 80 centimeters. what is

Lerok [7]

Answer:

20 cm

Step-by-step explanation:

5x + 32 + 6x + 4 = 80

11x + 36 = 80

11x = 44

x = 4

sides of triangle:

5(4) = 20 cm

32 cm

6(4) + 2 = 26 cm

4 0

3 years ago

Where does the line y = 3x + 5 cross the y-axis?

crimeas [40]

C: at y=5

The formula is y=mx+b (b meaning the y-intercept) so that +5 is where your y-intercept is gonna be!

7 0

3 years ago

Solve for x triangles

wel

Answer:

115

Step-by-step explanation:

180-50=130

130/2=65

180-65=115

4 0

2 years ago

one third of a land is on maize, a fifth of the remainder is on potatoes and the rest which is 0.5 ha is on beans. how much of t

disa [49]

Answer: $1250\ m^2$

Step-by-step explanation:

Let x= Total land.

Then for Maize = $\dfrac{x}{3}$

For Potatoes = $\dfrac15(x-\dfrac {x}{3})=\dfrac15(\dfrac{2x}{3})=\dfrac{2}{15}x$

For beans = $x- (\dfrac{x}{3}+\dfrac{2}{15}x)=0.5 \ ha$

$\Rightarrow\ x- (\dfrac{5x+2x}{15})=0.5 \ ha\\\\\Rightarrow\ x- (\dfrac{7x}{15})=0.5 \ ha\\\\\Rightarrow\ \dfrac{15x-7x}{15}=0.5 \ ha\\\\\Rightarrow\ \dfrac{8x}{15}=0.5 \ ha\\\\\Rightarrow\ x=0.5\times\dfrac{15}{8} \ ha\\\\\Rightarrow\ x=0.9375 \ ha$

1 ha = 10000.00 m²

0.9375 ha = 9375 m²

Land for potatoes = $\dfrac{2}{15}(9375) =1250\ m^2$

Hence, $1250\ m^2$ of the land is on potatoes.

7 0

3 years ago