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cricket20 [7]
3 years ago
14

-4/5 + (-1/3) ??????

Mathematics
1 answer:
Nikitich [7]3 years ago
5 0
-17/15

Find a common denominator, and multiply the numerator by the same factor. Don't forget that adding a negative is really subtracting.
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Mar in was a bat and hit 7 out 8 balls. How can you find his batting precentage
777dan777 [17]
Divide 7 by 8 then multiply what you get by 100.
7 0
3 years ago
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Find the perimeter of the image bellow: A:32.1 units B: 35.8 units C: 37.6 units D: 39.2 units
masha68 [24]
A is the closest I got. My answer was 32.665 using thousandth place. I found the perimeter by adding up the lengths. I found all of the lengths by using pathat oran theorem.
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3 years ago
Find the prime factorization of 120.
artcher [175]

Answer:

(7/8 - 4/5)^2 = 9/

1600

= 0.005625

Step-by-step explanation:

Subtract: 7/

8

- 4/

5

= 7 · 5/

8 · 5

- 4 · 8/

5 · 8

= 35/

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- 32/

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= 35 - 32/

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= 3/

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For adding, subtracting, and comparing fractions, it is suitable to adjust both fractions to a common (equal, identical) denominator. The common denominator you can calculate as the least common multiple of both denominators - LCM(8, 5) = 40. In practice, it is enough to find the common denominator (not necessarily the lowest) by multiplying the denominators: 8 × 5 = 40. In the next intermediate step, the fraction result cannot be further simplified by canceling.

In words - seven eighths minus four-fifths = three fortieths.

Exponentiation: the result of step No. 1 ^ 2 = 3/

40

^ 2 = 32/

402

= 9/

1600

In words - three-fortieths squared = nine one-thousand six-hundredths.

7 0
3 years ago
2A. The school building is 9 times the height of a neighboring tree. If the school
Agata [3.3K]
The answer is B because you must multiply 135 by 9 to get the answer of the tree
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Solve the equation: <br><br> 9 (x − 9)−3 = −4 (2x + 4)<br><br> 4<br><br> -4<br><br> 100<br><br> 68
Nina [5.8K]

Answer:


Step-by-step explanation:

Applying BODMAS here;

We first solve what is in the brackets:

9x - 81 -3 = -8x - 16

We then put the like terms together:

9x + 8x = -16 + 81 + 3

We then do the addition:

17x = -16 + 84

We then do the subtraction:

17x = 68

Simplifying this gives:

x = \frac{68}{17} = 4

8 0
3 years ago
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