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olga55 [171]
3 years ago
10

solve this system of linear equations. seperate the x and y values with commas. -2x=8-6y and -15x =21 -6y

Mathematics
1 answer:
KIM [24]3 years ago
5 0
(-1,-1)
X=-1
Y=-1
I think so
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<img src="https://tex.z-dn.net/?f=%5Csf%20%5Csqrt%7B12%7D%20%5Ctimes%20%5Csqrt%7B12%7D" id="TexFormula1" title="\sf \sqrt{12} \t
Darina [25.2K]

Answer:

12

Step-by-step explanation:

\sqrt{12} \times\sqrt{12}

\mathrm{Apply\:radical\:rule}:\quad \sqrt{a}\sqrt{a}=a,\:\quad \:a\ge 0

\sqrt{12}\sqrt{12}=12

=12

7 0
3 years ago
Each student in a class of 25 students wrote down a random digit. What is the predicted number of students who wrote a digit tha
lapo4ka [179]

Answer: 2/10 or 20%

Step-by-step explanation:

2 out of 10 digits are greater than 7, so the probability of choosing these is 2/10.

I could be wrong.

4 0
3 years ago
20 points 1. A drawing of a building is made using a scale of 2 centimetres representing 11 feet. How many centimetres tall will
alisha [4.7K]

Answer:

42cm

Step-by-step explanation:

so if for every 11 feet you get 2 inches then for every 5.5 feet you get 1 cm. so if you break up the total number of feet into 220+16 it will be easier to solve. because 11*20=220ft so then you know you can do 2*20=40cm. now you can simplify 16 into 11+5 and get 11*1=11ft and 2*1=2cm. now youre left with 5ft and 5.5ft is 1 cm so you know that you have just under 1 cm. now add them all up 220ft+11ft+5ft=236ft and 40cm+2cm=42 cm

4 0
3 years ago
Help please its geometry
slamgirl [31]
With what answer plz show 
5 0
3 years ago
Lan makes $11 an hour and gets a 4% raise.
Taya2010 [7]

Answer:

11.44

Pay before raise Hourly 11$

Raise 4%

Pay after raise Hourly 11.44$

4 0
3 years ago
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