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yuradex [85]
3 years ago
13

Complete the addition. 7/15+1/3+3/5 Please show work.And explain all reasoning.

Mathematics
1 answer:
stellarik [79]3 years ago
5 0

\frac{7}{15} + \frac{1}{3} + \frac{3}{5} = \frac{7}{15} + \frac{5}{15} + \frac{9}{15} = \frac{21}{15} = \frac{7}{5} = 1.4

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Decrease 18•4 in the ratio 3:8
andrezito [222]

Answer:

6.9

Step-by-step explanation:

Since you are supposed to decrease the number in the ratio 3:8 or 3/8 you take the small number that is 3 to be the numerator and 8 to be the denominator then multiply it by 18.4.

That is 18.4×3:8= 184/10×3/8=6.9

So to decrease a number you multiply it with the smallest number as the numerator and the big number as the denominator

To increase a number you multiply it with the big number as the numerator and the small number to be the denominator

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8 0
3 years ago
Please help
Montano1993 [528]

Answer:

M = 2x² - (ax/3) + by

B = - 3x²y + (xy³/3) - cy

Step-by-step explanation:

Equation 1 is

2x² - (1/3)ax + by - M = 0

M = 2x² - (ax/3) + by

Equation 2

3x²y - (1/3)xy³ + cy + B = 0

B = - 3x²y + (xy³/3) - cy

Hope this Helps!!!

7 0
3 years ago
What is the square root of -1
patriot [66]

Answer:

i

Step-by-step explanation:

This is the answer you get when you square and you get a negative number.

6 0
2 years ago
Can someone please answer this question please answer it correctly and please show work please help me I need it
JulsSmile [24]

Answer:

B

Step-by-step explanation:

We'll use Natasha's location as 0 on a number line. To the left of her, 51/20 would be negative and 25/4 would be positive.

To find how far apart the dogs are, we would need to add the absolute value of each number:

|-51/20| + |25/4| however, this can also be rewritten as:

25/4 - (-51/20)

3 0
3 years ago
Please answer CORRECTLY if so I’ll mark you brainlist!
eduard

Answer:

The answer to your question is 26.75

Step-by-step explanation:

Top triangle = 3.5 x 9 = 31.5. Since it is a triangle, it has to be split in half (15.75).

Bottom left triangle = 2 x 2 = 4. Since this is also a triangle: 4 split in half is 2.

Bottom square = 2 x 2 = 4.

Bottom right triangle = 5 x 2 = 10. Since it is a triangle, 10 / 2 = 5.

After you get the area of each individual shape, add them together to get 26.75.

.

6 0
2 years ago
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