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3 years ago

A polygon has the following coordinates: A(-6,5), B(-1,5), C(5,3), D(-1,1), E(-6,1). Find the length of AE.

Mathematics

1 answer:

Wittaler [7]3 years ago

4 0

Answer:c

Step-by-step explanation:

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What is 5/8 written as a decimal

Vera_Pavlovna [14]

What is 5/8 written as a decimal?

5/8 = 5 : 8 = 0.625

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2 years ago

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Which relation is a function?

Vikentia [17]

Answer:

Step-by-step explanation:

Look for the case in which every input is unique (no repetitions).

A does not qualify, as 3 appears as an input twice.

B does not qualify, for the same reason

C qualifies (is a function), because all the inputs {1, 2, 3, 4} are unique.

D does not qualify (see A, above).

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3 years ago

Select all that are undefined. sec (45°) csc (0°) sec (90°)

Murrr4er [49]

Answer:

csc (0°) and sec (90°) are not defined.

Step-by-step explanation:

Given the options wehave to select the option which is undefinesd

First option: sec 45°

$sec45^{\circ}=\frac{1}{cos(45^{\circ})}=\frac{1}{\frac{1}{\sqrt2}}=\sqrt2$

which is defined

Second option: csc(0°)

$csc(0^{\circ})=\frac{1}{sin0}=\frac{1}{0}=\infty$

which is not defined

Third option: sec(90°)

$sec(90^{\circ})=\frac{1}{cos(90)}=\frac{1}{0}=\infty$

which is not defined.

Hence, option 2 and 3 are not defined.

3 0

2 years ago

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PLEASE HELP !!!!!!!Find<br><br> y, such that ABC ~A<br> DEF.

Lemur [1.5K]

Use proportionals to find y.

$\frac{9}{18} = \frac{6}{y}$

Answer:y=12

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2 years ago

250% of what number is 90

katrin2010 [14]

The equation out of this is; what is 250/100 of a number x = 90?
=> Division of 250 by 100 gives 2.5.
=> Now multiply 2.5 by a number x resulting to 2.5x on the L.H.S.
=> make x the subject and come up with x = 90/2.5.
answer is 1/36.

4 0

2 years ago