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pav-90 [236]
2 years ago
8

-1/4 + (-3/7) what is the answer???

Mathematics
2 answers:
SVEN [57.7K]2 years ago
7 0
Find the Least Common Denominator (LCD) which is 28.

-1/4 (7) = -7/28

-3/7 (4) = -12/28

-7 - 12 = -19

-19/28

Simplify if you can.
Anni [7]2 years ago
3 0

Answer

it is -19/28

Step-by-step explanation:

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4 0
2 years ago
Round to the nearest tenth.
inessss [21]

Answer: Angle A = 53.9 degrees

Step-by-step explanation: We have a right angled triangle with two sides clearly given and one angle to be calculated. If the angle to be calculated is angle A, then having angle A as our reference angle, line AC (10 units) is the adjacent, line CB is the opposite while line AB (17 units) is the hypotenuse. Having been given the adjacent and the hypotenuse, we can now use the trigonometric ratio as follows;

CosA = adjacent/hypotenuse

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CosA = 0.5882

By use of the calculator or table of values,

A = 53.97

Approximately to the nearest tenth,

A = 53.9 degrees

6 0
3 years ago
Quadrilateral ABCD has the following vertices: A(-4, -3), B(2, -3), C(4, -6), and D(-4, -6). Quadrilateral ABCD is a
seropon [69]
In order to get the figure, you have to plot it.

Quadlirateral ABCDwith <span>vertices: A(-4, -3), B(2, -3), C(4, -6), and D(-4, -6) is </span>s A. TRAPEZOID
6 0
3 years ago
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42.95x + 21.95y

Step-by-step explanation:

5 0
3 years ago
4 to the power of -3 as fraction
shusha [124]

Answer:

Step-by-step explanation:

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2 years ago
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