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3 years ago

3/10 + 4/100 = write as a fraction.

Mathematics

2 answers:

Ludmilka [50]3 years ago

7 0

Answer:

Step-by-step explanation:

3 x 10 = 30

----

10 x 10 = 100

30 4 34 17

----- + ----- = ----- / 2 -----

100 100 100 50

iris [78.8K]3 years ago

6 0

Answer:

17/50

Step-by-step explanation:

3/10 is equivalent to 30/100. 30/100+4/100=34/100. Both numbers are divisible by two, so you can get 17/50.

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Solve the equation. Show your work in the space provided. 2X - 0.5 = 3.7

Basile [38]

Add 0.5 on both sides
2X = 4.2
divide by 2 on both sides
X = 2.1

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3 years ago

Given a point A(-3,-1), it is dilated by some scale

Sidana [21]

Answer:

$B' = (-3, -15)$

Step-by-step explanation:

Given

$A = (-3,-1)$

$A' = (-9,-3)$

$B = (-1,-5)$

Required

Determine the coordinates of B'

Since A' is the image of A; we need to first calculate the scale factor using

$A' = A * Scale\ factor$

Make Scale Factor the subject

$Scale\ Factor = \frac{A'}{A}$

Substitute values for A' and A

$Scale\ Factor = \frac{(-9,-3)}{(-3, -1)}$

Factorize the numerator

$Scale\ Factor = \frac{3 * (-3,-1)}{(-3, -1)}$

$Scale\ Factor = \frac{3 * 1}{1}$

$Scale\ Factor = 3$

The coordinates of B' is then calculated as follows:

$B' = B * Scale\ Factor$

Substitute values for B and Scale Factor

$B' = (-1,-5) * 3$

$B' = (-3, -15)$

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3 years ago

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3 years ago

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MA_775_DIABLO [31]

Answer:

Step-by-step explanation:

4 0

3 years ago

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Can you help me plz in number 12,13,and 14 find the sum or difference.write your answer in simplest form plz explain good so I u

Maurinko [17]

Answer:

12. 11/18-1/6=4/9

13. 2/7+2/5=24/35

14. 3/4-3/10=9/20

Step-by-step explanation:

12. 11/18-1/6

11/18-1/6=11/18-(1/6)*(3/3)

11/18-1/6=11/18-(1*3)/(6*3)

11/18-1/6=11/18-3/18

11/18-1/6=(11-3)/18

11/18-1/6=8/18

Dividing the numerator and denominator of the fraction on the right side of the equation by 2:

11/18-1/6=(8/2)/(18/2)

11/18-1/6=4/9

13. 2/7+2/5

2/7+2/5=(2/7)*(5/5)+(2/5)*(7/7)

2/7+2/5=(2*5)/(7*5)+(2*7)/(5*7)

2/7+2/5=10/35+14/35

2/7+2/5=(10+14)/35

2/7+2/5=24/35

14. 3/4-3/10

3/4-3/10=(3/4)*(5/5)-(3/10)*(2/2)

3/4-3/10=(3*5)/(4*5)-(3*2)/(10*2)

3/4-3/10=15/20-6/20

3/4-3/10=(15-6)/20

3/4-3/10=9/20

8 0

3 years ago

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