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2 years ago

Determine the intercepts of the line. x-intercept: y-intercept:

Mathematics

1 answer:

ratelena [41]2 years ago

5 0

Answer:

x = -7.5

y = 5.5

Step-by-step explanation:

Used graph

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A plank 6m long leans against a vertical wall so that the foot of the plank is 4m away from the wall. A lizard climbs 2m up the

Lynna [10]

Answer: $\dfrac{8}{3}\ m$

Step-by-step explanation:

Given

Length of the plank is $6\ m$

Foot of the flank is $4\ m$ away from the wall

Lizard climbs 2 m up the wall

from the figure, the two triangles are similar

$\therefore \dfrac{2}{6}=\dfrac{x}{4}\\\\\Rightarrow x=4\times \dfrac{2}{6}\\\\\Rightarrow x=\dfrac{4}{3}\ m$

So, the distance from the wall is

$\Rightarrow 4-x\\\\\Rightarrow 4-\dfrac{4}{3}\\\\\Rightarrow \dfrac{8}{3}\ m$

7 0

2 years ago

Calculate population variance from population standard deviation

Tema [17]

The standard deviatiion is the square root of the variance.

8 0

3 years ago

Please answer this question

Anastasy [175]

Answer:

3 cm

Step-by-step explanation:

7 0

2 years ago

7. 4y(5y - 11) – 2y(3y + 10)

Kaylis [27]

Answer:

$14y^{2} -64y$

Step-by-step explanation:

Hello!

4y(5y - 11)

Distribute the 4y

4y * 5y = 20y^2

4y * -11 = -44y

Put it together

20y^2 - 44y

2y(3y + 10)

Distribute the -2y

-2y * 3y = -6y^2

-2y * 10 = -20y

Put it gether

-6y^2 - 20y

Put it all together

20y^2 - 44y - 6y^2 - 20y

Combine like terms

14y^2 - 64y

The answer is $14y^{2} -64y$

Hope this helps!

5 0

3 years ago

A map of a park is created on a coordinate plane. Each until on the map represents 1 kilometer. A tennis court is located at (0,

pogonyaev

Answer:

Jul 11, 2016 · - Gush Tela, a 54-year-old man who was forced to flee with his family after the town of Humera, located in Ethiopia's Tigray region, was shelled by the Ethiopian Army. He was describing the scene he encountered as he returned to the town several days later; he and his family are now in a refugee camp in Sudan (as quoted on The Guardian )

Step-by-step explanation:

7 0

2 years ago