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faust18 [17]
3 years ago
12

4x+2y=−14 y=−2x−6 Solve the system of linear equations:

Mathematics
2 answers:
sladkih [1.3K]3 years ago
5 0

Answer:

no solution

Step-by-step explanation:

solve by elemination

Roman55 [17]3 years ago
4 0

Answer:

No solutions

Step-by-step explanation:

4x+2y=−14

4x + 2(-2x - 6) = -14

4x -4x - 12 = -14

0x - 12 = -14

x = 0

y = 2(0) - 6

= 0 - 6

= -6

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Maggie took one of her friends out to lunch. The lunches cost $20 and she paid 5% sales tax. If Maggie left a 10% tip on the $20
RUDIKE [14]

Answer:

46$

Step-by-step explanation:

20+20=40, 5% of 40=2, 42, +4, 46. (the 4 comes from the 10%)

7 0
3 years ago
A burst of electromagnetic radiation has a frequency of 1 exahertz. One exahertz equals 10^12 megahertz. Each megahertz is equal
den301095 [7]

Answer:

The frequency of the burst of electromagnetic radiation which equals 1 exahertz = 10¹⁸ hertz.

Step-by-step explanation:

Since the frequency of the burst of electromagnetic radiation is 1 exahertz, and 1 exahertz = 10¹² megahertz. So, the frequency of radiation is 10¹² megahertz. Also 1 megahertz = 10⁶ hertz. So, 10¹² megahertz = 10¹² × 1 megahertz = 10¹² × 10⁶ hertz = 10¹² ⁺ ⁶ hertz = 10¹⁸ hertz.

So the frequency of the burst of electromagnetic radiation which equals 1 exahertz = 10¹⁸ hertz.

3 0
3 years ago
a box half full of apples weighs 40kg and the same box one fifth full weighs 22kg. what does the box weigh when empty?
likoan [24]
So in order to answer your question  we calculate 40 - 22 wich gives us the answer of 18, so now we can say that 4/5 of apples weight 18 so now 18 / 4 = 4,5; 4,5 * 5 = 22,5 wich is the weight of apples you can put in the box, to know the answer we deduct the greatest weight of apples only from the weight of the box with those apples so, 40 - 22,5 = 17,5
so the answer to your question is 17,5
i hope i helped you
6 0
4 years ago
Given the point (4,5) & slope = -4, what is the equation of the line? *
raketka [301]

Answer:

Y= -4x+ 21

Step-by-step explanation:

7 0
3 years ago
On March 1 kenny and Lenny had jars containing the same amount of pennies. One month later Kenny has two more than three times K
fgiga [73]

Answer:

idk tbh  i think is might be 3

Step-by-step explanation:

3 0
3 years ago
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