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LenaWriter [7]
2 years ago
5

What is the x intercept of the line with the equation. - 2x + 1/2 y =18 Example: ( 0, 0 )

Mathematics
2 answers:
Murljashka [212]2 years ago
7 0
(-9,0) I hope that’s what you’re looking for and I hope you get it right
n200080 [17]2 years ago
4 0
Y = 4x + 36

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8 batteries cost 10 dollars how much do 6 batteries cost
pychu [463]

6 batteries cost $7.50 because u divide 10 by 8 and then multiply by 6

8 0
3 years ago
Read 2 more answers
Using the solubility curve, choose all of the statements that are correct.
irinina [24]

Answer:

See explanation below

Step-by-step explanation:

According to the solubility curve attached, let's analyze each sentence to see which one is correct:

<u>"Solubility of NaCl is least affected by temperature"</u>

True. as you can see in the curve, solubility of NaCl remains almost constant at any value of temperature, so in this case, it does not matter the temperature, the NaCl solubility will be the same.

<u>"completely dissolve 60 g of KBr in 100 g of water at 20 °C"</u>

True. As you can see in the graph, solubility of KBr begins at 60 g, so in 20 °C we have something dissolved there. Actually you have like 70 g dissolved there, so, this is true.

<u>"The solubility of KNO3 is the least affected by changes in temperature"</u>

False. The curve for KNO3 is exponencial, so, changes in temperature do actually affect the solubility.

<u>"100 g of KBr will dissolve completely in 100 g of water at 75 °C"</u>

False. According to the curve, 100 g dissolve when we reach more than 100 °C. At 75 °C only about 85 g of KBr is dissolved.

<u>"if you mix 120 g of NaClO3 in 100 g of water at 10 °C, approximately 30 g will not dissolve"</u>

True. In the graph we can clearly see that at 10 °C only about 90 g is being dissolved so, the rest of the mass is still there as mass.

6 0
3 years ago
Which function has the same graph as y= 5sin(x + 2)? Y=5cos x.
Helga [31]

Answer:

y=5cosx

Step-by-step explanation:just took the test.

3 0
3 years ago
I need help with this question an i cant get it wrong
Gennadij [26K]
Divide your shape into two different shapes. a cube and a rectangular prism.

the cube has the measurements of 20*20*20 giving it a volume of 8000 inches^3

the rectangular prism has the measurements of 40*30*20 giving it a volume of 24000 inches^3

now add them together to get 32,000 inches^3 as your answer
3 0
3 years ago
What is the radian measure equivalent of 2100?
Mars2501 [29]
2100/min radian/second conversion
It is equal to 0.1047197551197 radian/sec
4 0
3 years ago
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