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Aloiza [94]
3 years ago
14

What is the leading coefficient of the following expression: 5x^4-7x^3+2x+1​

Mathematics
1 answer:
never [62]3 years ago
5 0

Answer:

5

Step-by-step explanation:

The leading coefficient belongs to the term with the largest exponent

Given

5x^{4} - 7x³ + 2x + 1 ← in standard form

The leading term is 5x^{4} ← with leading coefficient 5

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Write the function for the following chart,
timurjin [86]
Dy/dx=1/2, 1/2, 1/2 etc

So this is a linear equation of the form y=mx+b where m=dy/dx=1/2 so

y=x/2 +b, now we can use any point to solve for the y-intercept, "b", I'll use (7,0)

0=7/2 +b

b=-7/2 so

y=x/2-7/2

y=(x-7)/2
7 0
2 years ago
Landon scored an 85% on his test. If he got 34 problems correct, how many were on the test?
Sergeu [11.5K]

Answer:

There are 40 problems on the test

Step-by-step explanation:

Let p = the number of problems on the test

The number of problems on the test times the percent correct is the number correct

p * 85% = 34

p * .85 = 34

Divide each side by .85

p * .85/.85 = 34/.85

p = 40

There are 40 problems on the test

6 0
2 years ago
Write the equation of the line parallel to 2x - 6y = 12 that passes through the point ( -1, 4).​
vlada-n [284]

Answer:

y = 1/3x + 4 1/3

Step-by-step explanation:

2x - 6y = 12

First find the slope

Solve for y

Subtract 2x

2x - 6y -2x= 12-2x

-6y = -2x+12

Divide by -6

-6y/-6 =-2x/-6 +12/-6

y = 1/3 x -2

The slope is 1/3

Parallel lines have the same slope

Using the slope intercept form y = mx+b where m is the slope and b is the y intercept

y = 1/3x +b

And substituting in the point

4 = 1/3 (-1) +b

4 = -1/3 +b

Add 1/3 to each side

4 + 1/3 = b

y = 1/3x + 4 1/3

4 0
3 years ago
Roy worked for 2 hours and earned $12. how many hours must he work at the same rate to earn $36? hours worked 2 ? dollars earned
kotegsom [21]
2hr=$12
1hr=12/2= $6/hr
$36=1hr/$6= 6hr for $36
If he worked 3hr he would get (6*3)= $18
If he worked 4 hours he would get (6*4)= $24
I hope this answers your question
7 0
3 years ago
HELPPP PLEASSEE!!!
docker41 [41]

Answer:

2 pounds

Step-by-step explanation:

1 pound = 1/2 hour (30 minutes)

x pound(s) = 1 hour (60 minutes)

Equation:

1 pound · (2) = 1/2 hour · (2)

2 = 1 hour

4 0
2 years ago
Read 2 more answers
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