Use slope and y intercept to graph a line. y=2x-5

Answers

Answer 1

Answer: On your graph:

-- Mark a dot on the y-axis, at y = -5 .

-- From there, move 1 unit to the right and 2 units up and make a mark. If this
is too tiny for you, then you can move 7 units to the right and 14 units up, or
11 units to the right and 22 units up ... any way you want to do it, as long as
the distance 'up' is double the distance to the right, because the slope is 2 to 1.
Wherever you wind up, mark a dot.

-- Using your pencil and your ruler, draw a straight line between the two dots you have
marked. You may extend it as far as you wish in either or both directions.

Answer 2

Answer: m=2,b=-5 where m is the slope and b is the y-intercept

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What is the seventh term of (x + 4)8?A. 114,688x2
B. 114,688x3
C. 114,688x4
D. 114,688x5

Answers

The (p+1)-th term of the Newton binomial expansion

$(a+b)^(n)$

is given by

$t_(p+1)=\dbinom{n}{p}\,a^(n-p)\,b^(p)$
__________________________

We want the 7th term. Hence, we set $p+1$ to be $7:$

$p+1=7~~\Rightarrow~~p=6$

Then, the 7th term is

$t_(7)=\dbinom{8}{6}\,x^(8-6)\,4^(6)\n\n\n t_(7)=(8!)/(6!\cdot (8-6)!)\cdot x^(8-6)\cdot 4^(6)\n\n\n t_(7)=(8\cdot 7\cdot \diagup\!\!\!\! 6!)/(\diagup\!\!\!\! 6!\cdot 2!)\cdot x^(2)\cdot 4^(6)\n\n\n t_(7)=(8\cdot 7)/(2\cdot 1)\cdot x^(2)\cdot 4^(6)\n\n\n t_(7)=28\cdot x^(2)\cdot 4,096\n\n \boxed{\begin{array}{c} t_(7)=114,688\,x^(2) \end{array}}$

Correct answer: $\text{A. }114,688\,x^(2).$

HELP ASAP!!! please, I need help

Answers

Subtract by 3

Hope that
Helped u

Your answer would be be subtract 3

hope it helps

1. Which of the following coordinates for p will make line mn perpendicular to line op in the diagram below?a. (-2,-5)
b. (-3,6)
c. (3,2)
d. (3,5)

2. Which equation is the equation of a line that passes through (-10,3) and is perpendicular to y=5x-7?

a. y = 5x + 53
b. y = -1/5x - 7
c. y = -1/5x + 1
d. y = 1/5x + 5

Answers

1. (3,2)....because when finding the slope, we find the the slope of mn and the slope of op are negative reciprocals.

2. y = 5x - 7.....slope here is 5....perpendicular line has a negative reciprocal slope...so the slope has to be -1/5

y= mx + b
slope(m) = -1/5
(-10,3)...x = -10 and y = 3
now we sub and find b, the y int
3 = -1/5(-10) + b
3 = 2 + b
3 - 2= b
1 = b
so ur perpendicular equation is : y = -1/5x + 1

what percent of a) Rs 80 is Rs 20 ? please give answer step by step and clearly please it's urgent

Answers

Answer:

16%

Step-by-step explanation:

80/100x 20/1 = 1600/100 cut0 n d16%a

i think its 16 percent

write the equation of a line that passes through the points (−3, 5) and (2, 10) in slope-intercept form

Answers

Slope-intercept form y = mx + b

where m------> slope

b-------> y-intercept

m= (y1-y2)/(x1-x2)

P1(-3,5) (x1,y1)

P2(2,10) (x2,y2)

m= (5-10)/(-3-2)

m= (-5)/(-5)

m=1

Until now, the equation is y=mx+b

y=1.x+b

y=x+b

But, whe can plug the point P2(2,10) in y =x+b

10 =2 + b

10 - 2 = b

b= 8

Then, the equation is y=mx+b

y= x+8 <-------------------Solution

Verification P1(-3,5) y = x+8 5=-3+8 Ok

P2(2,10) y = x +8 10 = 2+8 Ok

At a concert 2/5 of the people were men, there were 3 times as many women as children. If there were 45 more men than children, how many people were there at the concert.

Answers

Final answer:

In solving the question, we establish two equations based on the condition provided, including the ratios among men, women, and children. Solving the equation, we find out that there were 270 people at the concert.

Explanation:

This question relates to the mathematical concept of ratio and proportion as well as fraction.

According to the question, 2/5 of the attendees at the concert were men and men outnumbered children by 45. First, let's make the number of children, x. So, the number of men will be x + 45. Because 2/5 of the total attendees were men, set up the equation: 2/5 * Total = x + 45.

There were 3 times as many women as children, thus the number of women will be 3x. So, the total number of people in the concert is the sum of the men, women, and children, which is (x + 45) + 3x + x. Simplifying this, we get 5x + 45 = Total. Therefore, if we substitute (x + 45) for 2/5 of the total in our original equation, we have 2/5 * (5x + 45) = x + 45. Solving this equation, we get x = 45.

So, if we substitute x=45 into our total equation, we get Total = 5(45) + 45 = 270. Therefore, there were 270 people at the concert.

Learn more about Ratio and Proportion here:

brainly.com/question/26974513

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This involves creating some equations.

First, these are what the letters I used stand for:

c = children

w = women

m = men

x = total population

Then, we must make an equation for each statement.

2/5x = m (2/5 of the people are men)

3c = w (there are 3 times as many women than children)

45+c = m (there are 45 more men than children)

Now, let's start plugging in our numbers:

x = all the men, women, and children

2/5(m+w+c) = m

2/5 (45+c +3c + c) = m [Now simplify]

2/5 (45 + 5x) = m [Now Distribute]

2/5(45) + (2/5)(5x) = m

2c + 18 = m [Above we stated that there were the same amount as men as c +45]

2c + 18 = 45 +c [Now set equal to c]

2c (-c) +18 = 45 +c (-c)

c+18 (-18) = 45 (-18)

c = 27

Now that we know that there was 27 children, we can plug 27 in for c in the other equations.

MEN = 27 + 45

WOMEN = 3(27)

CHILDREN = 27

Now add those three answers to find your total!

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