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2 years ago

QUESTION 4: BUSINESS DECISIONS [20 MARKS]

Mathematics

1 answer:

Gre4nikov [31]2 years ago

7 0

Answer:

Step-by-step explanation: here u go

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4 Three intersecting lines form triangle BCE as shown below.

Lapatulllka [165]

Answer:

A, C, E

Step-by-step explanation:

<u>Options:</u>

A. m∠C + m∠E = m∠A

Correct. Exterior angle equals to sum of non-adjacent interior angles.

B. m∠D + m∠F = m∠B

Incorrect. Exterior angles have greater value.

C. m∠B + m∠C + m∠E = 180°

Correct. Interior angles of a triangle sum to 180°

D. m∠B + m∠C + m∠D = 180°

Incorrect. Angles C and D sum to 180°

E. m∠A + m∠ B = m∠E + m∠F

Correct. Both sides of equation refer to straight angle.

F . m∠B + m∠C + m∠ E = m∠A + m∠D + m∠F

Incorrect. Some of interior angles is not equal to sum of exterior angles.

5 0

2 years ago

Read 2 more answers

Carolina has built her dog bed that is 2 1/8 feet wide and 5 1/3 feet long. Find the area of the bed

Brilliant_brown [7]

Answer:

The answer would be 11 1/3 ft sqared

4 0

1 year ago

PLEASE HELP ME ASAP!!!

rjkz [21]

Answer:

d) $7^{14}$

Step-by-step explanation:

we simplify $(7^{7})^{2}$ by doing 7 x 2 = 14

so it is now

$7^{14}$

to check, we can use a calculator.

7 to the power of 14 = 678223072849

and

7 to the power of 7, squared also = 678223072849

Hope this helps!

7 0

1 year ago

Hhhhhhhhhheeeeeellllllllllllllllllppppppppppppp

kati45 [8]

Answer:

I really do not know.

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

A beam of light from a monochromatic laser shines into a piece of glass. The glass has thickness L and index of refraction n=1.5

boyakko [2]

Additional information to complete the question:

How long does it take for a short pulse of light to travel from one end of the glass to the other?

Express your answer in terms of some or all of the variables f and L. Use the numeric value given for n in the introduction.

T = ___________ s

Answer:

$T = \frac{15}{f}$

Step-by-step explanation:

Given:

Thickness og glass = L

Index of refraction n=1.5

Frequency = f

$Wavelength = \frac{L}{10}$

λ(air) $= \frac{L}{10}$

λ(glass) = λ(air) / n

= $\frac{\frac{L}{10}}{1.5}$

= $\frac{L}{10} * \frac{1}{1.5}$

= $\frac{L}{15}$

V(glass) = fλ(glass)

$= f * \frac{L}{15}$

$T = \frac{L}{V_{glass}} = \frac{15}{f}$

7 0

2 years ago