3 years ago

Combining like term 6k+7k

Mathematics

1 answer:

Nadya [2.5K]3 years ago

8 0

13k is the answer :)

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What is the value of x?

vfiekz [6]

Answer:

80°

Step-by-step explanation:

angles in a triangle add up to 180°

70° + 30° = 100°

180° - 100° = 80°

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3 years ago

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QUESTION 3<br>3.1 Round the following number up to the nearest whole number<br>R13492.39

ivolga24 [154]

Answer:

the answer is R13492

Step-by-step explanation:

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2 years ago

According to the property √a/√b=√a/b, which choice is equivalent to the quotient below? √35/√7

Ilya [14]

Answer:

Step-by-step explanation:

$\frac{\sqrt{35} }{\sqrt{7} } =\frac{\sqrt{5} \times \sqrt{7} }{\sqrt{7} } =\sqrt{5}$

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3 years ago

The variables y and x have a proportional relationship, and y = 7 when x = 2. What is the value of y when x = 5? Enter your answ

Vsevolod [243]

Answer:

17.5

Step-by-step explanation:

Given that the variables x and y have a proportional relationship.

i.e. y is directly proportional to x or can be written as

y = mx where m is the constant of proportionality.

When x =2, y =7

Substitute this to get the value of m.

7 =2m or m = 3.5

Thus the relationship between x and y is

y = 3.5x

So when x=5, y = 3.5(5) = 17.5

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3 years ago

The point (5,4) is rotated 180° clockwise

zmey [24]

Answer: $(-5,-4)$

Step-by-step explanation:

I assume that you need the new coordinates of the point after the rotation centered at the origin.

For this exercise it is important to remember the definition of "Rotation".

A Rotation is defined as a transformation which a figure is rotated about a fixed point known as "Center of rotation".

The figure before the transformation is called Pre-Image and the figure obtained after the transformation is called "Image".

The 180 degree rotation about the origin Rule states that:

$(x,y)$ → $(-x, -y)$

Therefore, knowing that the given point (5,4) is rotated 180 degrees clockwise about the origin, you can conclude that its Image is:

$(-5,-4)$

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3 years ago