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3 years ago

Which numbers are 3 units from -6 to their correct position on the number line

Mathematics

2 answers:

vfiekz [6]3 years ago

7 0

- 9 and - 3

consider 3 units to the left and right of - 6

- 6 - 3 = - 9 ( 3 units to the left of - 6 )

- 6 + 3 = - 3 ( 3 units to the right of - 6 )

Liono4ka [1.6K]3 years ago

4 0

It will be at -3 on the number line

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sesenic [268]

Answer:

3200

Step-by-step explanation:

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3 years ago

In each of the following situations, the sampling frame does not match the population, resulting in undercoverage. Give examples

Scrat [10]

Based on your question that ask where each situation and the sampling frame doesn't match the population, resulting in under coverage. The possible answer to your question is , under coverage in a random sampling where the result that you get is still just a partial of the whole but it could be done in anytime as long as the number of people are still there. It means that the sampling result do not just base in one session of sampling.

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3 years ago

Devon needs a wood board with an area of 516 square yard to complete a project. If the wood board is 13 yard wide, how long must

nataly862011 [7]

Answer:

$L=\frac{15}{16}\ yd$

Step-by-step explanation:

The correct question is

Devon needs a wood board with an area of 5/16 square yard to complete a project. If the wood board is 1/3 yard wide, how long must the board be?

we know that

The area of a rectangle is equal to

$A=LW$

where

L is the length

W is the width

we have

$A=\frac{5}{16}\ yd^2\\\\W=\frac{1}{3}\ yd$

substitute

$\frac{5}{16}=L(\frac{1}{3})$

solve for L

$L=\frac{5}{16}(3)$

$L=\frac{15}{16}\ yd$

5 0

3 years ago

2/5, 1/8 a common denominator:

Goshia [24]

Answer:

Step-by-step explanation:

5(8)

3 0

3 years ago

circle 1 is centered at 4,3 and has a radius of 5 centimeters circle 2 is centered at 6,-2 and has a radius of 15 centimeters. W

wolverine [178]

We know that
Figures can be proven similar if one, or more, similarity transformations (reflections, translations, rotations, dilations) can be found that map one figure onto another.
In this problem to prove circle 1 and circle 2 are similar, a translation and a scale factor (from a dilation) will be found to map one circle onto another.

we have that
Circle 1 is centered at (4,3) and has a radius of 5 centimeters
 Circle 2 is centered at (6,-2) and has a radius of 15 centimeters

step 1
Move the center of the circle 1 onto the center of the circle 2
the transformation has the following rule
(x,y)--------> (x+2,y-5)
so
(4,3)------> (4+2,3-5)-----> (6,-2)
so
center circle 1 is now equal to center circle 2
The circles are now concentric (they have the same center)

step 2
A dilation is needed to increase the size of circle 1 to coincide with circle 2

scale factor=radius circle 2/radius circle 1-----> 15/5----> 3

radius circle 1 will be=5*scale factor-----> 5*3-----> 15 cm
radius circle 1 is now equal to radius circle 2

A translation, followed by a dilation will map one circle onto the other, thus proving that the circles are similar

5 0

4 years ago