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pantera1 [17]
2 years ago
15

I will mark as brainliest whoever gets this question

Mathematics
1 answer:
tia_tia [17]2 years ago
4 0

Answer:

This is true

Step-by-step explanation:

Take for example 10=5x, you would divide both sides by 5 without changing anything to the equation.

In a case like 5=0x, you can't divide both sides by 0, so the solution is undefined.

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If storm has 3 bars she needs 22 bars but one bar equals 4 ores how many ores does she need?
oee [108]

Answer:

19 bars =<u> 76 more ores.</u>  22 bars = <u>88 total ores.</u>

Step-by-step explanation:

y = 4x

(4 times a number. Ex: x could be 98740757 or 2, it doesn't matter.)

1 b = 4 o

3 b = 12 o

22 - 3 = 19 b

19 b = 76 o (more)

22 b = 88 o (total)

5 0
3 years ago
Read 2 more answers
Triangle QRS is dilated according to the rule DO,2 (x,y).
Gemiola [76]

The correct options about the dilation are; Options A, B and E

<h3>How to interpret Dilated Objects?</h3>

From the given information, find attached a dilated image.

The scale factor is 2

QRS → Q'R'S' = (x,y) → 2(x,y)

The coordinates of ∆QRS are; Q (-3, 3), R (2, 4) and S (-1, 1)

To get the coordinates of Q'R'S', we would multiply each coordinate of the original triangle by the scale factor of 2 since the dilation is from the origin. In other words, each vertex of QRS is multiplied by 2 to get each of the vertex of Q'R'S'.

2(x, y) = (2x, 2y)

The coordinates of ∆Q'R'S' becomes: Q' (-6, 6), R' (4, 8), S' (-2, 2)

To determine the statements that are true about the image ΔQ'R'S,

Starting with ΔABC, we would draw the dilation image of the triangle with a center at the origin and a scale factor of 2.

A) DO, 2 (x, y) = (2x, 2y)

A dilation about the origin with a scale factor 2 is described using the above notation.

Q' = 2(-3,3) = [2(-3), 2(3)] = (-6, 6)

R' (4, 8) = 2(2,4) = [2(2), 2(4)] = (4, 8)

S' (-2, 2) = 2(-1,1) = [2(-1), 2(1)] = (-2, 2)

Thus Option A is correct.

B) Side Q'S' lies on a line with a slope of -1

Q' (-6, 6)

S' (-2, 2)

coordinate (x, y)

Slope = m = (change in y)/(change in x)

m = (6-2)/[-6-(-2)]

m = 4/(-6+2) = 4/-4

m = -1

Option B is correct

c) QR is longer than Q'R'

Length of QR (-3 to 2) = 5

Length of Q'R' (-6 to 4) = 10

QR is not longer than Q'R'

Option C is false

d) The vertices of the image are closer to the origin than those of the pre-image.

From the diagram, the vertices of the preimage are closer to the origin than those of the dilation image.

Option D is False

e) The distance from Q' to the origin is twice the distance from Q to the origin.

The distance from Q' to the origin (6 to 0) = 6

The distance from Q to the origin (3 to 0) = 3

The distance from Q' to the origin = 2(the distance from Q to the origin)

Option E is correct.

Read more about Dilated Objects at; brainly.com/question/10253650

#SPJ1

8 0
2 years ago
Order these numbers from least to greatest.<br> 3.195, 67/20, 3.19, 3 1/3
galina1969 [7]
The numbers from least to greatest are 3.19, 3.195, 3 1/3, and 67/20. This is because 67/20 is equivalent to 3.35 in decimal form, which is greater than all of the other numbers, including 3 1/3, which is 3.3333.
4 0
3 years ago
Can someone help me calculate angles?
ziro4ka [17]

Answer:

1.45

2. 135

Explanation:

1.  With a triangle all angles have to add up to 180, so what you would do is add up both angles we already know (43+92=135), then we subtract the sum from 180, (180-135=45) now you know the third angle.

2.  Just like a triangle, when finding angles on a line, it has to add up to 180. We already know that point M has an angle of 45 from the last problem, so all we have to do is subtract 45 from 180 (180-45=135). THats the measurement on TMS

8 0
2 years ago
Solve each multiplication problem, use the cancellation method if possible, and reduce your answers. a. 39⁄64 × 8⁄13 b. 2⁄3 × 1⁄
blsea [12.9K]

A). 39⁄64 × 8⁄13 ====>  39 / 64  *  8 / 13 ===> 312/832 ==>  3 / 8  (Decimal:  0.375).


B). 2⁄3 × 1⁄5 × 4⁄7 ==>  2/3  *  1/5 * 4/7  ====>  8 / 105 ===> (Decimal: 0.07619)


C). 3⁄5 × 10⁄12 × 1⁄2 ===> 3/5 *  10/12 ===> 30/60 ===>  1/2 ==> 1/2 *  1/2 ===> 1/4 (Decimal:      0.25)


D). 4⁄9 × 54 ===>  4 *  54/ 9.1  ====>  216/9 ===> 24/1   ===>  24


E). 20 × 3 1⁄5 ===> 20 * 16/ 1.5  ====>320/5 ====>  64/1  =====> 64


F). 11 × 2 7⁄11 ====>  319/11  ====> 29/1    ======>  29


G). 5 1⁄3 × 5 1⁄8 ==> 16/3 * 41/8 ==> 656/24 ==> 82/3 ==> 27 1/3 ==> (Decimal:  27.33333)


H).  10 2⁄3 × 1 3⁄8  ===>  32/3 *  11/8 ===> 44 / 3   ===>  14 2/3  ==>  (Decimal: 14.666667)



Hope that helps!!!!                                   : )

7 0
2 years ago
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