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Gennadij [26K]
3 years ago
7

Which statement is true about the equations –3x + 4y = 12 and x - y = 1?

Mathematics
1 answer:
antoniya [11.8K]3 years ago
3 0

Answer:

b.the system of the equations has exactly one solution at(-4.3).

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A retailer buys pairs of shoes for $45.50 each. He marks up all his merchandise 25%. How much will he sell the shoes for? (Round
Zielflug [23.3K]

Answer:

56.88

Step-by-step explanation:

2 ways to do this

45.50 x 25% = 11.375

45.50 + 11.375 = 56.875

and that rounds to 56.88

for option 2 I recommend a calculater

45.50 + 25% = 56.875

56.88

8 0
4 years ago
Question 5
S_A_V [24]

Step-by-step explanation:

a^2 + b^2 = c^2

a = 6

b = x

c = 11

6^2 + b^2 = 11^2

36 + b^2 = 121

b^2 = 121 - 36

b^2 = 85

Find the square root of both sides.

b = 9.22

3 0
3 years ago
I probably should've learned this but can someone help me I'm desperate!
lesantik [10]
Sorry I don't have enough time to deal with this problems, I believe that by using this formula you will easily come out with your answer. In the first one that has all sides you must use the law of cosines. Here is the formulas . Keep it because it is very helpful

6 0
3 years ago
Why is the product of two negative numbers positive?<br><br> Please help
saveliy_v [14]

Answer:

There are two simple rules to remember: When you multiply a negative number by a positive number then the product is always negative. When you multiply two negative numbers or two positive numbers then the product is always positive.

Step-by-step explanation:

3 0
3 years ago
If XW is a diameter of V, find x.<br><br> A.<br> 7<br> B.<br> 8<br> C.<br> 10<br> D.<br> 11
NemiM [27]

Step-by-step explanation:

u can try putting the value one by one to check

or write

(12x +14 ) = ( 9x-×)

and solve it do u will get the answer

6 0
3 years ago
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