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professor190 [17]
3 years ago
9

5x +6y = -6

Mathematics
1 answer:
nadezda [96]3 years ago
3 0

Answer:

(-6,4)

Step-by-step explanation:

If this is the system of equations here is how:

solve for 1 vairuble in the first equation, and plug that it to the other.

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At a school cafeteria a cold lunch costs $1.80, and a hot lunch costs $3.00. During one school year a teacher spent a total of $
Fudgin [204]

Answer:

H=44

C=87

Step-by-step explanation:

1.8 (C) + 3.00 (H) = 288.6

C= 2H-1

1.8 (2H-1) + 3 (H) = 288.6

3.6 H -1.8 + 3 H = 288.6

6.6 H = 290.4

H= 290.4/6.6 = 44

C=87

6 0
3 years ago
Can any one help me with the answers to these questions ASAP?
Leni [432]
1.c
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5 0
3 years ago
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never [62]

Answer:

2

Step-by-step explanation:

Don't really know how to explain it. OmniCalculator is very helpful.

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6 0
3 years ago
The legs of a right triangle have lengths of 4 and 5 units. Find the length of the hypotenuse.
AVprozaik [17]
You would use the Pythagorean threroem 4^2 + 5^2 = C^2. 16 + 25 = 41 the square root of 41 is 6.40
3 0
3 years ago
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What is the answer for this
aksik [14]
A. C= 0.1d + 30

because if u take the point (100,40), then d= 100 and c=40. Now 0.1d means = 10 and 10 + 30 gives 40 which is equal to C.
5 0
3 years ago
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