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docker41 [41]
3 years ago
9

Are the ratios 11:9 and 2:1 equivalent? yes or no

Mathematics
2 answers:
tresset_1 [31]3 years ago
7 0

Answer:

yes

Step-by-step explanation:

vampirchik [111]3 years ago
3 0

Answer:

no

Step-by-step explanation:

We can determine if they are equivalent if the cross products are equal

11          2

----- = ------

9            1

11*1 = 2*9

11 = 18

This is false so the ratios are not equivalent

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Greatest Common Factors<br> 1. 12 &amp; 18<br> 2. 9 &amp; 35<br> 3. 15 &amp; 25
professor190 [17]

Answer:

1. 6

2. 1

3. 5

Step-by-step explanation:

You can find the GCF by finding the prime factorization of the numbers.

1. 12 and 18

12= 2*2*3

18=2*3*3

They both have 2 and 3 in common, so their GCF is 2*3 or 6.

2. 9 and 35

9= 3*3

35= 5*7

Although they don't have any prime numbers in common, all numbers have the factor one in common, so they're relatively prime but their GCF is 1.

3. 15 and 25

15 = 3*5

25= 5*5

They have one 5 in common so their GCF is 5.

5 0
3 years ago
What 2 number makes 4 by subtraction
Andrew [12]

Answer:

21-17=4

Step-by-step explanation:

like that?

8 0
3 years ago
Factor-3/4 out of 3/2x-9/4y
S_A_V [24]

For this case we must factor - \frac {3} {4}of the following expression:

\frac {3} {2} x- \frac {9} {4}y

By law of signs of multiplication it is fulfilled that:

- * - = +\\- * + = -

So we have to:

- \frac {3} {4} * (- 2) = + \frac {6} {4} = + \frac {3} {2}\\- \frac {3} {4} * 3 = - \frac {9} {4}

Thus, by factoring we have:

- \frac {3} {4} (- 2x + 3y)

Answer:

- \frac {3} {4} (- 2x + 3y)

5 0
3 years ago
The back of a park bench is in the shape of a regular trapezoid, as shown in the figure.
ioda

Answer:

a

two triangles with dimensions of 1 ft by 3 ft and a rectangle with dimensions of 4 ft by 3 ft

7 0
4 years ago
Read 2 more answers
If the polygon is translated 4 units down and 5 units right, what will the coordinates of the new image be? Use prime notation i
Rama09 [41]
Coordinate A: (-1, 1)
Coordinate B: (-1, -2) 
Coordinate C: (3, -2)
Coordinate D: (3, 2)

It's a simple matter of addition and subraction, or just common sense. Since you're going down four units, subtract the y-coordinate for each number by 4. Since you're moving to the right five units, add five to each x-coordinate. Then you're done! Hope this helps:)

~Ash
6 0
3 years ago
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