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Tom [10]
3 years ago
15

Can someone please help me graph y = 2x - 7

Mathematics
1 answer:
kobusy [5.1K]3 years ago
4 0

Answer:

(0,-7) and (3.5,0) are where your dots will go

Step-by-step explanation:

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The track team is trying to reduce their time for a relay race. First they reduce their time by 1.2 minutes. Then they are able
Digiron [165]

Answer:

5.2 Minutes, or 5 minutes and 12 seconds

Step-by-step explanation:

You can solve this problem by working backward.  Since our number gets smaller by a 1/10 or 0.1, in order to work backward we must multiply 3.60 by 10/9, since one tenth has been taken away already.  When we do this, we get 4.0.  When we add 1.2 minutes to that, we get a final answer of 5.2 minutes, or 5 minutes and 12 seconds.

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3 years ago
Dolbear's law states the relationship between the rate at which Snowy Tree Crickets chirp and the air temperature of their envir
Shtirlitz [24]
For this case, the first thing we are going to do is rewrite the equation correctly.
 We have then:
 T = 50 + (N-40) / 4
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 Answer:
 the temperature in degrees Fahrenheit, T is:
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5 0
2 years ago
Write an expression that shows how to multiply 4 times 362 using place value and expanded form
luda_lava [24]
362=300+60+2\\\\4\times362=4\times(300+60+2)\\\\ues\ distributive\ property:\\\\4\times300+4\times60+4\times2=1200+240+8=\boxed{1448}
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3 years ago
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stellarik [79]
Finding the X-intercept.

1.) Solve for x by substituting 0 in for y.

4x+(0)=5

4x/4+5/4

x=1.25 or 1 and 1/4.
6 0
2 years ago
If DF = 9x-39, find EF.
otez555 [7]

DF=DE+EF\\\\DF=9x-39\\DE=47\\EF=3x+10\\\\\text{substitute}\\\\9x-39=47+3x+10\\9x-39=3x+57\ \ \ |-3x\\6x-39=57\ \ \ \ |+39\\6x=96\ \ \ \ |:6\\x=16\\\\\text{put the value of x to the expression}\ 3x+10\\\\EF=3(16)+10=48+10=58

Answer: EF = 58

7 0
3 years ago
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