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sattari [20]
4 years ago
12

Angle ABD and Angle CBD are supplementary angles and Angle CBD and Angle DBE are complementary. If the measure of angle ABD is 1

44 degrees what is the measure of angle DBE
Mathematics
1 answer:
gizmo_the_mogwai [7]4 years ago
3 0

Answer:

54°

Step-by-step explanation:

ABD = 144°

ABD + CBD = 180°......(i)

CBD + DBE = 90°........(ii)

From (i)

144° + CBD = 180°

CBD = 180° - 144°

= 36°

From (ii)

CBD + DBE = 90°

36° + DBE = 90°

DBE = 90 - 36

= 54°

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True or false if-2a>6 then a<-3
Sveta_85 [38]

Answer:

False

Step-by-step explanation:

-2a > 6

Divide each side by -2

a > -3

Not a<-3

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3 years ago
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erastovalidia [21]

No because to be a function, each dot on the graph would need to be located at its own x value. Looking at the graph you see two dots located at x = 5 so it is not a function.

3 0
3 years ago
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The cost of producing x hundred items is given by the equation C(x) = x2 – 3x + 7 and the revenue generated from sales of x hund
Goryan [66]

Answer:

At x = 2 and 10.

Step-by-step explanation:

Given : The cost of producing x hundred items is given by the equation C(x) = x^2-3x + 7

The revenue generated from sales of x hundred units is given by the equation R(x) = -x^2 + 21x-33

To Find :What values of x will the company break even?

Solution:

Cost function : C(x) = x^2-3x + 7

Revenue function : R(x) = -x^2 + 21x-33

Now to find the company break even :

-x^2 + 21x-33= x^2-3x + 7

24x= 2x^2+40

12x= x^2+20

x^2-12x+20=0

x^2-10x-2x+20=0

x(x-10)-2(x-10)=0

(x-2)(x-10)=0

So, x = 2,10

Hence the company break even at x = 2 and 10.

8 0
4 years ago
I dont know how to do this question please help!
Elden [556K]

Answer: 1/6

Step-by-step explanation: I think you multiply 3 times 3 because the other circle circle has an option the first doesn't have have.

7 0
2 years ago
What is the period, in seconds, of a simple pendulum of length 2 meters? Use the gravitational constant g = 9.8 m/s^2 and round
kirill [66]

Answer:

The period, in seconds to two decimal places is, 2.84 sec

Step-by-step explanation:

Using formula:

T = 2 \pi \sqrt{\frac{l}{g}}             ......[1]

where

T represents the Time period in second

l represents the length of the pendulum/

As per the statement:

Use the gravitational constant g = 9.8 m/s^2 , length of the simple pendulum(l) = 2 meters and \pi = 3.14

Substitute the given values we have;

T = 2\cdot 3.14 \cdot \sqrt{\frac{2}{9.8}}

⇒T = 6.28 \cdot \sqrt{\frac{1}{4.9}}=6.28 \cdot \frac{1}{2.21359436212}= \frac{6.28}{2.21359436212} = 2.83701481512

Therefore, the period, in seconds to two decimal places is, 2.84 sec

8 0
3 years ago
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