3 years ago

In the figure find aec

Mathematics

1 answer:

Tomtit [17]3 years ago

3 0

Answer:

105

Step-by-step explanation:

the angle of aec is just a little more that 90°

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Write the first five terms of the sequence defined by the explicit formula

denis-greek [22]

Answer:

The correct answer option is: 19, 13, 3, -11, -29.

Step-by-step explanation:

We are given the following explicit formula for an arithmetic sequence:

$a_n=21-2n^2$

So to find the first five terms of this sequence, we will substitute the values of $n$ (num here in the given formula:

$a_1=21-2(1)^2\\\\a_1=19$

$a_2=21-2(2)^2\\\\a_2=13$

$a_3=21-2(3)^2\\\\a_3=3$

$a_4=21-2(4)^2\\\\a_4=-11$

$a_5=21-2(5)^2\\\\a_5=-29$

Therefore, the first five terms of the sequence defined by the explicit formula $a_n=21-2n^2$ are 19, 13, 3, -11, -29.

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3 years ago

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maximize P=9x+9y Subject to 2x+y is less than or equal to 30 x+2y is less than or equal to 24 x, y is greater than 0 What is the

Inga [223]

Find the intersection point between the 2 restraint equations:
$30 - 2x = 12 - \frac{1}{2} x \\ \frac{3}{2} x = 18 \\ x = 12$

Substitute back in to find y-value:
$y = 30 - 2(12) = 6$

P is maximized at point (12,6)
$P = 9(12)+9(6) = 162$

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3 years ago

1. What is 26% written as a decimal?

sattari [20]

Answer:

.26 = 26% hope this helps! :)

Step-by-step explanation:

.26

100 = 1.00

26 = .26

you just move the decimal point over 2

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4m+2

because 2mx2=4m and 1x2=2 so 4m+2

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37.5 and 2.5. Divide each other and you get 15.

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