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4vir4ik [10]
3 years ago
10

which is the equation of the given line in slope-intercept form a. y = -1/4x 1 b. y = -4x 1 c. y = 4x - 1 d. y = 4x 1

Mathematics
1 answer:
Delvig [45]3 years ago
3 0
C. demonstrates an equation given in slope-intercept form because it has the y on one side of the equation and the slope on the other along with the y intercept. 
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mote1985 [20]

Answer:

(x+3) x+7 is the answer for the first question if it's the same way my school does it. Whatever you put in parentheses is the opposite of what you think. + is going to the left. - is going to the right but those only apply when in parentheses.

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This is really hard for me can someone please help<br> This gives me a headache trying to do it
Papessa [141]
1. 3x-5<19 
    3x-5+5<19+5
    3x<24
    3x/3<24/3
    x<8

2. -2x+12<-4
    -2x+12-12<-4-12
    -2x<-16
    -2x/-2>-16/-2
       x>8

3. Because the numbers are positive when divided.

4. The inequality sign is reversed because the 2nd to last step is divided by by a negative number. (This is also the same for multiplication)
 
5. -7d+8>29
    -7d+8-8>29-8
    -7d/7>21/-7
       d>-3

6.12-3b<9
   12-12-3b<9-12
    -3b/-3>-3/-3
        b>1

7.z/7-6=>-5
   z/7-6+6=>-5+6
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8 0
3 years ago
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jok3333 [9.3K]
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3 0
3 years ago
The 1992 world speed record for a bicycle (human-powered vehicle) was set by Chris Huber. His time through the measured 200 m st
Reil [10]

Answer:

a) 30.726m/s and b) 5.5549s

Step-by-step explanation:

a.) What was Chris Huber’s speed in meters per second(m/s)?

Given the distance and time, the formula to obtain the speed is

v=\frac{d}{t}.

Applying this to our problem we have that

v=\frac{200m}{6.509s}= 30.726m/s.

So, Chris Huber’s speed in meters per second(m/s) was 30.726m/s.

b) What was Whittingham’s time through the 200 m?

In a) we stated that v=\frac{d}{t}. This formula implies that

  1. t=\frac{d}{v}.

First, observer that 19\frac{km}{h} =19,000\frac{m}{h}=\frac{19,000}{3,600}m/s= 5.2777m/s.

Then, Sam Whittingham speed was equal to Chris Huber’s speed plus 5.2777 m/s. So, v=30.726\frac{m}{s} +5.2777\frac{m}{s}= 36.003 m/s.

Then, applying 1) we have that

t=\frac{200m}{36.003m/s}=5.5549s.

So, Sam Whittingham’s time through the 200 m was 5.5549s.

5 0
3 years ago
Which equation can be used to solve for in the following diagram?
g100num [7]

Answer:

Choice C should be the answer

Step-by-step explanation:

Because all of them adds up to 180 since it is a straight angle.

6 0
2 years ago
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