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3 years ago

Which graph represents the solution set of the system of inequalities? −3x+y>1 y≥x−1

Mathematics

1 answer:

nikdorinn [45]3 years ago

4 0

y>= x-1

y intercept is -1 solid line slope of 1

colored above the line

-3x+y >1 solve for y

y > 3x+1

y intercept 1 slope 3 dotted line

colored above the line

Top right graph

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Which statement about a dilation with a scale factor of 3 is true?

Valentin [98]

Given : dilation with a scale factor of 3

To find : Which statement is true

Solution:

A dilation is a transformation that produces an image that is the same shape as the original, but is a different size

if Dilation factor N then image Size is multiplied by N

if Scale factor < 1 then image get reduced

if scale factor > 1 then image get enlarged

scale factor = 1 lead to Same size image

Here is given that Scale factor of 3

=> image will be enlarged to 3 times the original image

Hence correct option is :

C)Each side in the pre-image is multiplied by three to find the corresponding side length in the image

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6 0

2 years ago

A bag contains 6 red tiles, 8 blue tiles, and 6 green tiles. A tile is drawn, the color recorded, and then the tile placed back

tester [92]

Answer:

9 red tiles

Step-by-step explanation:

Total number of tiles: $6+8+6=20$

Total number of red tiles: $6$

Probability of getting red in one draw: $\frac{6}{20}=0.3$

This means that you would expect to get red $0.3$ or 30% of the times.

Hence, when you draw tiles 30 times from the bag, you would expect red to be picked 30% of 30 times. This is:

$0.3*30=9$

So, you would expect to draw a red tile from the bag 9 times.

3 0

3 years ago

Please please help me!!!! :)

kifflom [539]

Answer:

Measure of ∠5 is 142°

Step-by-step explanation:

We are given that, Lines L and M are parallel.

As, the third line is intersecting both line L and M.

We know that, 'The opposite angles formed by the intersecting lines are equal'.

Since, the sum of the four angles formed by the third line and M is 360°.

So, we get,

∠1 + ∠6 + ∠7 + 38 = 360°

i.e. 2∠1 + 2×38° = 360°

i.e. 2∠1 = 360° - 76°

i.e. 2∠1 = 284°

i.e. ∠1 = 142°

Thus, ∠1 = ∠7 = 142°

Since, L and M are parallel.

So, ∠3 = ∠5 = 142°

Hence, we get that measure of ∠5 is 142°.

3 0

3 years ago

what is the area of a triangle if the base is 7 less than 5 times a number and the height is 3 times the number and eight

Flauer [41]

Area of a triangle is half multiplied by the height multiplied by the base.So multiplying the two together and halfing is shown below

6 0

3 years ago

What is the solution of n^2 - 49 = 0

Jlenok [28]

N² - 49 = 0
 + 49 + 49
 n² = 49
 n = +7

The solution to the problem is {7, -7}.

5 0

4 years ago

Read 2 more answers