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2 years ago

What is the perimeter of a quadrilateral with vertices at (1,5), (6,5),

Mathematics

1 answer:

Katena32 [7]2 years ago

6 0

Answer:

Step-by-step explanation:

What is the perimeter of a quadrilateral with vertices at (1,5), (6,5),

(1,11), and (6,11)? Enter the answer in the box.

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What is 80% more than 20.00

AlekseyPX

Answer is 36.
20 * 80/100 = 16
20+16=36

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3 years ago

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If P(x) = ax 3 + bx - 3 and P(-1)-0, then the value of P(1) is:

sergey [27]

Answer:

(a) -6

Step-by-step explanation:

P(x) = ax^3 +bx - 3

P(-1) = -a-b-3 = 0
therefore a+b=-3
P(1) = a+b-3
P(1) = -3 - 3 = -6
(a)

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2 years ago

True or false: the equation tan^2x+1=sec^2x

zhenek [66]

ANSWER

True

EXPLANATION

The given trigonometric equation is:

${ \tan}^{2} x + 1 = { \sec}^{2} x$

We take the LHS and simplify to arrive at the RHS.

${ \tan}^{2} x + 1 = \frac{{ \sin}^{2} x}{{ \cos}^{2} x} + 1$

Collect LCM on the right hand side to get;

${ \tan}^{2} x + 1 = \frac{{ \sin}^{2} x + {\cos}^{2} x}{{ \cos}^{2} x}$

This implies that

${ \tan}^{2} x + 1 = \frac{1}{{ \cos}^{2} x} .$

${ \tan}^{2} x + 1 = {( \frac{1}{ \cos(x) }) }^{2}$

${ \tan}^{2} x + 1 = { \sec}^{2} x$

This identity has been verified .Therefore the correct answer is true.

3 0

2 years ago

Find the values of x and y.<br> help please work has to be shown ..

Likurg_2 [28]

Answer:

x = 7 and y = 17

Step-by-step explanation:

16x + 9x + 5 = 180 cuz they are supplementary

25x = 175

x = 7

We also know that 16x + 4y = 180

so 16(7) + 4y = 180, so 4y = 180 - 112, so 4y = 68. y = 17

hope this makes sense

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2 years ago

I need help please.

Rainbow [258]

The answer should be C
54*30/100= 16.2
54-16.2 = 37.80

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2 years ago

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