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viva [34]
3 years ago
10

Which expression is equivalent to 18x+45 A-9(5x+2) B-9(2x+5) C-3(2x+15 D-3(6x-5)

Mathematics
2 answers:
Anna71 [15]3 years ago
7 0
The answer is B : -9(2x+5)

-9(2x+5) = -18x-45

Not 18x+45

The other equations do not fit in...
makkiz [27]3 years ago
3 0
I think the answer is B -9(2x+5)
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murzikaleks [220]
7 28/30 is the answer
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3 years ago
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Which set of ordered pairs represents a function? (1 point) {(0, 1), (1, 3), (1, 5), (2, 8)} {(0, 0), (1, 2), (2, 6), (2, 8)} {(
Aleonysh [2.5K]

Answer:

{(0, 2), (1, 4), (2, 6), (3, 6)}

Step-by-step explanation:

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3 years ago
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In ΔKLM, l = 48 inches, ∠K=55° and ∠L=46°. Find the length of k, to the nearest inch.\
s2008m [1.1K]

Given:

In  ΔKLM, l = 48 inches, ∠K=55° and ∠L=46°.

To find:

The length of k, to the nearest inch.

Solution:

According to Law of sine,

\dfrac{a}{\sin A}=\dfrac{b}{\sin B}=\dfrac{c}{\sin C}

In ΔKLM, using law of sine, we get

\dfrac{k}{\sin K}=\dfrac{l}{\sin L}

\dfrac{k}{\sin (55^\circ)}=\dfrac{48}{\sin (46^\circ)}

k=\dfrac{48\times \sin (55^\circ)}{\sin (46^\circ)}

On further simplification, we get

k=\dfrac{48\times 0.819152}{0.7193398}

k=\dfrac{39.319296}{0.7193398}

k=54.66025


Approximate the value to the nearest inch.

k\approx 55


Therefore, the length of k is 55 inch.

4 0
3 years ago
Question
tatiyna

Answer:

Wes

Step-by-step explanation:

This represents a positive correlation, meaning that when x increases, so does y. Because of x, y increases meaning that Wes is correct

3 0
2 years ago
Please help me with this i really need help
kifflom [539]

Answer:

70%

Step-by-step explanation:

The number of students with an April birthday and candles is in the upper left, 14. That’s the “part” Percentage is part/whole x 100.

To figure out the “whole”, you need to add up all the students in the first row of the table, because those are the April birthdays. 14 + 6 = 20

14/20 = 0.7 x 100 = 70%

8 0
3 years ago
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