All I need is 1-4 and please show work.

All I Need Is 1-4 And Please Show Work.

Answers

Answer 1

Answer:

1. -20 is the y intercept

2. 2x+4y=16

2x/2+4y/2=16/2

x+2y=8

x-x+2y=8-x

2y=-x+8

2y/2=-x/2+8/2

y=-x/2+4

4 is the y intercept

3. 2y+3x=7

2y+3x-3x=7-3x

2y=-3x+7

2y/2=-3x/2+7/2

y=-3

x/2+3.5

3.5 is the Y intercept

4. -3 is the y intercept

Answer 2

Step-by-step explanation:

Question 1:

y = -5x - 20

It is already in slope-intercept form, therefore the y-intercept is -20.

When y = 0, -5x - 20 = 0, x = -4.

Hence the x-intercept is -4.

Question 2:

2x + 4y = 16

When x = 0, 2(0) + 4y = 16, 4y = 16, y = 4.

The y-intercept is 4.

When y = 0, 2x + 4(0) = 16, 2x = 16, x = 8.

Hence the x-intercept is 8.

Question 3:

2y + 3x = 7

When x = 0, 2y + 3(0) = 7, 2y = 7, y = 3.5.

The y-intercept is 3.5.

When y = 0, 2(0) + 3x = 7, 3x = 7, x = 7/3.

Hence the x-intercept is 7/3.

Question 4:

It is ambiguous as the line marks on both of the axis are not labelled. However we assume each space is 1 unit.

Reading off the graph,

we have x-intercept is 3 and y-intercept is -3.


Related Questions

Claudia invests $4000 in an account that compounds continuously at a rate of 3.5%. How much money will he have in her account after 10
years?

Answers

Answer:

$5,400

Step-by-step explanation:

First, converting R percent to r a decimal

r = R/100 = 3.5%/100 = 0.035 per year,

then, solving our equation

I = 4000 × 0.035 × 10 = 1400

I = $ 1,400.00

The simple interest accumulated

on a principal of $ 4,000.00

at a rate of 3.5% per year

for 10 years is $ 1,400.00.

Charlie use 30% of his savings to buy a video game if he had $100 in his savings how much does he have left

Answers

Answer:

70 dollars

Step-by-step explanation:

he has only 70%left of his initial savings so that make 70%*100=7*10=70usd

your answer to your question is: $70

can y’all please help me with this

Answers

Answer:

AD=35

angle D=90

Step-by-step explanation:

I hope it's helps you

The vertices of a polygon are P(0,4), Q(5,4), R(5,−3) and S(0,−3). What is
the perimeter of the polygon?

Answers

Answer:

 Perimeter of the polygon p = 24

Step-by-step explanation:

Step(i):-

Given the vertices of a polygon are

P(0,4) ,Q( 5,4) ,R( 5,-3) and S(0,-3)

The distance of PQ

 [tex]a = PQ = \sqrt{(4-4)^{2} +(5-0)^{2} } = \sqrt{25} =5[/tex]

The distance of QR

[tex]b = Q R= \sqrt{(-3-4)^{2} +(5-5)^{2} } = \sqrt{49} =7[/tex]

The distance of RS

[tex]c = RS = \sqrt{(0-5)^{2} +(-3+3)^{2} } = \sqrt{25} =5[/tex]

The distance of PS

[tex]d = PS = \sqrt{(0-0)^{2} +(-3-4)^{2} } = \sqrt{49} =7[/tex]

Step(ii):-

Perimeter of the polygon

       = sum of all sides of polygon

p = a+ b+ c+ d

p = 5+7+5+7

p = 24

Final answer:-

 Perimeter of the polygon p = 24

Determine the next 3 terms of each of the sequences below

a) -4,-1,2,5,_ ._ ,_​

Answers

Answer:

8, 11, 14

Step-by-step explanation:

You add 3 to each number

19. The wingspan of a ghost bat is 12 more than twice that of a vampire bat.
Suppose a ghost bat has a wingspan of 28 inches. Which equation can be
used to find the wingspan of a vampire bat?
A x + 2 + 12 = 28
C 2x – 12 = 28
B 2x + 12 = 28
D 12x + 2 = 28

Answers

Answer:

B. 2x + 12 = 28

Step-by-step explanation:

x is representative of the wingspan of the vampire bat. suppose the ghost bat has a wingspan of 28 inches.

if the wingspan of a ghost bat is 12 more than twice the vampire bat's, then 2x + 12 is the equation used to find the ghost bat's wingspan. we already know the ghost bat's wingspan is 28, therefore the equation is 2x + 12 = 28

Whats the answer someone help ?

Answers

Step-by-step explanation:

mark as BRAINLY

thanks.............

What is the greatest common factor (GCF) of 72 and 96?

Answers

Answer: GCF is 24 ^-^

Answer:

The first step to find the gcf of 72 and 96 is to list the factors of each number. The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36 and 72. The factors of 96 are 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48 and 96. So, the Greatest Common Factor for these numbers is 24 because it divides all them without a remainder. Read more about Common Factors below.

31
Which decimal is equivalent to ?
9
Choose 1 answer:
0.4
в)
0.4444
3.7
3.4444

Answers

the answer is , c. 3.4 lol

HELP ME PICTURE BELOW 50 POINTS

Answers

Answer:

Step-by-step explanation: Hope this helps

The area of a rectangle is 8w +18 square feet. The length of the rectangle is 2 feet. Use factoring to
write an expression to represent the width of the rectangle.
Pls help ASAP

Answers

Answer:

The expression that represents the width of the rectangle is 4w + 9

Step-by-step explanation:

The formula of the area of the rectangle is A = length × width

Let us solve the question

∵ The area of a rectangle is 8w + 18 square feet.

∴  A = 8w + 18

∵ The HCF of 8 and 18 is 2

→ Divide each term of the area by 2 to get 2 as a common factor

∵ 8 ÷ 2 = 4 and 18 ÷ 2 = 9

A = 2(4w + 9)

∵ The length of the rectangle is 2 feet

→ Substitute it in the formula of the area above

A = 2 × width

∴ A = 2 width

→ Equate the two right sides of the area

2 width = 2(4w + 9)

→ Divide both sides by 2

∴ The width = 4w + 9

The expression that represents the width of the rectangle is 4w + 9

Answer:

Give the other guy a brainliest they deserve it :)

Step-by-step explanation:

Is your estimate larger or smaller than the actual number of liters in a gallon? Explain how you know.

Answers

Question:

There are 33.8 fluid ounces in a litre. There are 128 fluid ounces in a gallon. About how many litres are in a gallon?

Is your estimate larger or smaller than the actual number of litres in a gallon? Explain how you know

Answer:

It is larger

Step-by-step explanation:

Given

[tex]33.8\ fl\ oz = 1\ litre[/tex]

[tex]128\ fl\ oz = 1\ gallon[/tex]

Required

Estimate number of litres in a gallon

[tex]33.8\ fl\ oz = 1\ litre[/tex]

[tex]128\ fl\ oz = 1\ gallon[/tex]

Cross Multiply

[tex]128\ fl\ oz * 1\ litre = 33.8\ fl\ oz * 1\ gallon[/tex]

[tex]128 * 1\ litre = 33.8* 1\ gallon[/tex]

Divide both sides by 33.8

[tex]\frac{128 * 1\ litre}{33.8} = \frac{33.8* 1\ gallon}{33.8}[/tex]

[tex]\frac{128 * 1\ litre}{33.8} = 1\ gallon[/tex]

[tex]3.78698224852\ litre = 1\ gallon[/tex]

Approximate

[tex]3.787\ litres = 1\ gallon[/tex]

The estimate is larger than the actual litres to gallon conversion because, in standard units of conversion;

[tex]3.785\ litres = 1\ gallon[/tex]

what is -2.4 (1.5x - 0.9) in distributed form

Answers

Answer:

-3.6x + 2.16

Step-by-step explanation:

Just multiply everything inside the paranthese by what is outside of the parenthesis.

-2.4(1.5x) + 2.4(.9) ---------> i did addition because it is a double negative, equaling a positive

Find the area of the figure. Use 3.14 for a.
HELP ME PLSS

Answers

16*16= 256 meters squared ( the rectangle)
100. 53 is the area of the semi circle.
356.53 meters squared is the area of the whole figure because you add the area of the rectangle and the semi circle

Answer number 3 in the picture pls! I really need the help

Answers

2(5x+4) I think this is the answer to your question

if points (3,2) and (x,-5) lie on a line whose slope is -7/2, then x is equal to what number?​

Answers

Answer:

Step-by-step explanation:

m = y2-y1 / x2-x1

-7/2 = -5 - 2 / x -3

-7/2 = -7 / x-3

x-3 = -7 * -2/7

x-3 = 2

x=5

The number x = 27/7.

What is a slope?

In mathematics, a line's slope, also known as its gradient, is a numerical representation of the line's steepness and direction.

If a line passes through two points (3 ,2) and (x, -5) ,

then the equation of line is

y - y₁ = (y₂- y₁) / (x₂ - x₁) x (x - x₁)

To find the slope;

m =  (y₂- y₁) / (x₂ - x₁)

And m = -7/2 (given)

Now,

-7/2 = (-5+2)/(x-3)

Using cross multiplication,

-7x + 21 = -6

x = 27/7

Therefore, the x is 27/7.

To learn more about the slope;

brainly.com/question/3605446

#SPJ5

I need help what is: intercepts from a equation
3x+2y=5

Answers

Answer:

x=-2/3 y+ 5/3

Step-by-step explanation:

3x+2y+−2y=5+−2y

3x=−2y+5

3x/3 = -2y+5/3

x = -2/3 y+5/3

x=-2/3 y+ 5/3

URGENT Why is social distancing so important in stopping the spread of a virus? Simple: exponential growth. Find out how exponential growth works, then do the math to get the key to unlocking lock 4.


link provided below

Answers

Answer:

to be safe

Step-by-step explanation:

the further you are the better, because we don't know who have the virus from who don't have it it's better to be 6 feet apart frome each other where ever you go.


What is the height of a container if the volume is 56.52 cubic
inches and the radius is 1.5 inches? Round to the nearest tenth.

Answers

Answer:

        h ≈ 8 in

Step-by-step explanation:

r = 1.5 in ,    V = 56.52 in³

V = π × r² × h

56.52 = π × (1.5)² × h

56.52 = π × 2.25 × h

[tex]h=\dfrac{56.25}{2.25\pi}=\dfrac{25}{\pi}\ in=7.9577...\ in\approx8\ in[/tex]

Multiply by using the distributive property(x + 5)(x - 3) =

Answers

Answer:

x^2+2x-15

Step-by-step explanation:

Answer:

x² + 2x - 15

Step-by-step explanation:

Solve by using FOIL (First, Outside, Inside, Last). This distributes the numbers:

(x + 5)(x - 3)

Use FOIL:

x(x) + x(-3) + 5(x) + (5)(-3)

Simplify:

x(x) + x(-3) + 5(x) + (5)(-3)

x² + x(-3) + 5(x) + (5)(-3)

x² - 3x + 5(x) + (5)(-3)

x² - 3x + 5x + (5)(-3)

x² - 3x + 5x - 15

Combine like terms.

x² + 2x - 15

Your final answer would be x² + 2x - 15

When making a book cover, Anwar adds an additional 20 square inches to the surface area to allow for overlap. How many square inches of paper will Anwar use to make a book cover for a book 11 inches long, 8 inches wide, and 1 inch high?

Answers

Answer:

234 square inches

Step-by-step explanation:

We are given that

Length of book, l=11 in

Width of book, w=8 in

Height of book, h=1in

Additional area required to overlap=20 square inches

We have to find how many square inches of paper to make  cover of one book.

We know that surface area of cuboid

[tex]S=2(lb+bh+hl)[/tex]

Using the formula

Surface area of book

[tex]S=2(11\times 8+8\times 1+1\times 11)[/tex]

[tex]S=214 in^2[/tex]

Total paper used to make cover of one book

=Surface area of book +additional surface area

=[tex]214+20[/tex]

[tex]=234in^2[/tex]

Hence, Anwar will use paper to make cover of one book=234 square inches

Acompact disc box is 11.5 cm long,7 cm wide and 1.5 cm tall. What is the total surface area of a stack of five such compact disc boxes?

Answers

Answer:

1,172.5cm²

Step-by-step explanation:

Total surface area of a box = 2(LW + WH + LH)

L is the length = 11.5cm

W is the width = 7cm

H is the height = 1.5cm

Substitute

TSA = 2(11.5(7) + 7(1.5) + (11.5)(1.5))

TSA = 2(80.5+10.5+17.25)

TSA = 2(117.25)

TSA = 234.5cm²

Hence  the total surface area of a stack of five such compact disc boxes will be 5(234.5) = 1,172.5cm²

-2 - (-4) =
-7- (-14) =
- 12 - (-32) =

Answers

Answer:

2

7

20

Step-by-step explanation:

asdf

Answer:

2

7

20

Step-by-step explanation:

-2 - (-4) =

2 negatives = a positive

-2 + 4 = 2

-7- (-14) =

2 negatives = a positive

-7 + 14 = 7

- 12 - (-32) =

2 negatives = a positive

-12 + 32 = 20

Hope this helped!

Have a supercalifragilisticexpalidocious day!

22+b+18=b+22+18 name the property​

Answers

Answer:

associative

Step-by-step explanation:

10 points!!! Please help I’m stuck on this question.

What expression is equivalent to
7m^2 + (2m-1) (m+9)

Answers

Answer:

9m^2+17m-9

Step-by-step explanation:

Please help...Thank you❤️❤️

Answers

Answer:

13.5 square units

Step-by-step explanation:

Please let me know if you want me to add an explanation as to why this is the answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)

Answer:

The area of the triangle is 13.5 square units

Step-by-step explanation:

The easiest way to find the area of of a triangle is to find the area of rectangle surrounding it, and divide by two.

In this case, we can use the bottom line and the distance from that to the top point as the side lengths of our "rectangle"

The bottom line has a length of 9, and the distance from that line to the top point is 3.  We can say then that the area of the triangle is half of three times nine:

3 × 9 ÷ 2 = 3 × 4.5 = 13.5

So the total area of the triangle is 13.5 square units

Wasim's mom asks him to clean his room every 6 days, and wash his windows every 15 days. If he does them both today, when is the NEXT time he will be cleaning his room and washing his windows on the same day?

Answers

Answer:

30 days

Step-by-step explanation:

We solve the above question using Lowest Common Multiple Method.

Find and list multiples of each number until the first common multiple is found. This is the lowest common multiple.

Multiples of 6:

6, 12, 18, 24, 30, 36, 42

Multiples of 15:

15, 30, 45, 60

Therefore,

LCM(6, 15) = 30

Therefore, the NEXT time he will be cleaning his room and washing his windows on the same day is in 30 days time

Translate the phrase into a variable expression: twice the sum of a number and 5

Answers

Answer:

'Twice the sum of a number and 5' can be translated into variable expression such as:

2(n + 5)

Step-by-step explanation:

Given the phrase

Twice the sum of a number and 5

First, let us breakdown the English Phrase

Let the number be = n

The sum of a number 'n' and 5 = n + 5

now, twice the sum of a number and 5 can be determined by multiplying (n+5) with 5.

Thus,

'Twice the sum of a number and 5' can be translated into variable expression such as:

2(n + 5)

-n + (-4) - (-4n) + 6

Answers

-n-4-4n+6 this is the easier version to read
-5n+5 is the answer

Answer:

=-5n+6

Step-by-step explanation:

Factor out the greatest common factor.
14x2 - 4x

Answers

Answer:

The greatest common factor of 14x² - 4x is: 2x

Step-by-step explanation:

Given the expression

14x² - 4x

The first step is to factor out the greatest common factor from each term

14x² = 2 · 7 · 14 · x · x

4x = 2 · 4 · x

so

G.C.F = 2 · x

G.C.F = 2x

Therefore, the greatest common factor of 14x² - 4x is: 2x

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