What is the correct answer for both ? ​

What Is The Correct Answer For Both ?

Answers

Answer 1

Answer:

19. Option A

20. Option B

Step-by-step explanation:

Answer 2
Answer of 19 is A by using the a^2 - b^2 = ( a - b) ( a + b) so this will be (r-1 )( r+1) because we have r^2 so we have to factorize it


Answer of 20 is B by following the same steps

Related Questions

Write an equation in slope-intercept form for the line with slope -6 and y-intercept 6.

Answers

Answer:

y = -6x + 6

Step-by-step explanation:

y = mx + b

y = -6x + 6

The equation in slope-intercept form for the line with slope -6 and y-intercept 6 is y = -6x+6

What is the slope-intercept form of a line?

The slope intercept formula y = mx + c is used when you know the slope of the line to be examined and the point given is also the y intercept (0, c).

Given that, a line has slope -6 and y-intercept 6.

The general form of the slope-intercept form for the line is y = mx+c, where m is the slope and c is the y-intercept.

Therefore, the required equation will be =

y = -6x+6

Hence, the equation in slope-intercept form for the line with slope -6 and y-intercept 6 is y = -6x+6

Learn more about slope-intercept form, click;

https://brainly.com/question/29146348

#SPJ2

help fast plz I am so sleepy ​

Answers

Answer:

no,no,yes,no

Step-by-step explanation:

Function: 12<=w-27

First one:   W=34     34-27=7      7 is not greater than or equal to 12

Second one:   W=36      36-27=9     9 is not greater than or equal to 12

Third one:    W=45         45-27=18       18 is greater than or equal to 12

Last one:      W=37        37-27=10       10 is not greater than or equal to 12

Hopefully you can go to be now!

Bath and 1 yard of ribbon. She is 1/2 yard for project. She wants to divide the rest of the ribbon into pieces 1/4 yards long. How many 1/4 pieces of ribbon can she make

Answers

Answer:

2

Step-by-step explanation:

Given:

Total length of ribbon = 1 yard

Length of ribbon used for project = [tex]\frac{1}{2}[/tex] yard

Length of ribbon the rest of ribbon is to be divided = [tex]\frac{1}{4}[/tex] yard

To find:

The number of ribbons of length [tex]\frac{1}{4}[/tex] yard that can be made = ?

Solution:

Length of ribbon left after the 1 yard ribbon is used for project can be calculated by subtracting the length of ribbon used from the initial length of ribbon.

i.e.

Length of ribbon left = [tex]1-\frac{1}{2} =\frac{1}{2}[/tex] yard

Now, number of ribbon of length [tex]\frac{1}{4}[/tex] yard can be found be dividing the length of ribbon left with the length of ribbon pieces to be cut.

i.e.

Number of ribbons:

[tex]\dfrac{\frac{1}{2}}{\frac{1}{4}}\\\Rightarrow \dfrac{1}{2}\times 4 = 2[/tex]

What is the sum of the first five prime numbers?
18
26
ОООО
28

Answers

Answer:

28

The first 5 are

2+3+5+7+11

- 18 Up on the Housetop
Factors of 18: 1, 2, 3, 6, 9, 18. Prime factorization: 18 = 2 x 3 x 3, which can also be written 18 = 2 x 3².

-For 26, the answer is: No, 26 is not a prime number

-28 = 1 x 28, 2 x 14, or 4 x 7. Factors of 28: 1, 2, 4, 7, 14, 28. Prime factorization: 28 = 2 x 2 x 7, which can also be written 28 = 2² x 7.

The number of gift baskets Nikki can make varies directly with the amount of time she spends making the baskets. She can make 4 baskets in 1/2 hour.

How many baskets can Nikki make in 5 hours?

Answers

Answer:

40

Step-by-step explanation:

Find the difference.

Answers

Answer:

B. 13m+8

Step-by-step explanation:

(20m+3)-(7m-5)

= 20m+3-7m+5

= 13m+8

ra\\For spirit week at a local high school, students were encouraged to wear their school colors of green and white. 1,200 students wore their school colors while 300 students did not wear green and white. What percent of the school population did NOT wear their school colors?

Answers

Answer:

20%

Step-by-step explanation:

First, add 1,200, and 300. That gives you 1,500. You want to find how much percent of 1,500 equals 300, and that is 20%.

Answer:

25%

Step-by-step explanation:

1. You have a total of 1,200 students and a fraction of them did not wear their school colors, 300 students.

2. You would write the fraction [tex]\frac{300}{1200}[/tex].

3. After you divide or simpify  [tex]\frac{300}{1200}[/tex] you get [tex]\frac{1}{4}[/tex].

4. To get a percent you multiply by 100, so [tex]\frac{1}{4}[/tex] times 100 is equal to 25.

For the pair of polynomials given, select all the points of intersection of their graphs. g(x)=(x+7)(x-5) h(x)=x-5

Answers

Answer:

(-7,0) and (5,0)

Step-by-step explanation:

Answer:

Step-by-step explanation:

(-6,-11) (5,0)

evaluate the expression -(2*4)to the 2nd power/ (-8)

Answers

Answer:

-8

Step-by-step explanation:

-(2*4) = 18, 8^2 is equal to 8*8= 64/-8= -8

Identify the equation of a line in point slope from that passes through the points (5,-4) and (-3,2)

Answers

Answer:

y = 3/4x - 1/4

Step-by-step explanation:

y= 3/4x-1/4 is the correct answer i think

Question in picture solve

Answers

Answer:

11: 2

12: 4

Step-by-step explanation:

11: the rate of change is the slope, which is the rise/run, so it is in this case 2/1, which simplifies to 2

12: again, using rise/run method, go down two spaces and left one (since the slope is 2/1,) which takes you to (0,4), and since the y-value is 4, the y-intercept is 4

I hope I was right!

What type of number is 5/6

Answers

Answer:

a rational number

Step-by-step explanation:

which postulate(SAS, SSS, ASA, AAS or none) can be used to show each pair of triangles is congruent.​

Answers

Answer:

1.) SAS

2.) SAS

3.) SAS

Step-by-step explanation:

Pairs of vertical angles are the same

A side is equal to itself

Pairs of alternate interior angles are the same

Solve for X using the Rule of Secants
20
6

Answers

i think you need to rewrite your question

A submarine was cruising at 1,328.4 feet below sea level. It then rose at a rate of 14.76 feet per minute for 15 minutes. Find the submarines depth after it rose for 15 minutes.

Answers

Answer:

New depth = 1,107 feet

Step-by-step explanation:

1) Let us first calculate the total number of feet the submarine rose in 15 minutes using the rate of rise.

rate = 14.76 feet per minute

This means that at every minute, the submarine rose by 14.76 feet.

1 minute = 14.76 feet

∴ 15 minutes = 14.76 × 15 = 221.4 feet

2) To find the new depth, we will subtract the number of feet risen from the initial depth.

initial depth = 1,328.4 feet

rise after 15 minutes = 221.4 feet

New depth = 1,328.4 - 221.4 = 1,107 feet

. Give the domain and range of the relation please help this is for my math hw​

Answers

Answer:

for the domain, find the point on the farthest side (the left) and the closest (the right)

so for yours it would be [-3,2]

it's brackets because the points are closed.

for the range, same thing but for the y intercept.

so it's [-2,4]

there's your answer!

rt - 2n = y solve for t

Answers

Answer:

[tex]t=\frac{y+2n}{r}[/tex]

General Formulas and Concepts:

Pre-Alg

Equality Properties

Step-by-step explanation:

Step 1: Define equation

rt - 2n = y

Step 2: Solve for t

Add 2n to both sides:                    rt = y + 2nDivide both sides by r:                   t = (y + 2n)/r

Sum of three consecutive natural numbers is 63, what is the greatest number?

Answers

Answer:

19, 21 and 23 are the three consecutive odd numbers which give 63 when adding these numbers.

Step-by-step explanation:

Solve for x. 18 ÷ x = -2 x =

Answers

Answer:

-9

Step-by-step explanation:

18/-9=(-2)

hope this helps :3

if it did pls mark brainliest

Answer:

0? 0 would make those equations equal but if im wrong i need choices to work with

Which points can be used to create a line with a zero slope through (3,-2)

Answers

Answer:

(0-2) point can be use to create a line

Answer:

Step-by-step explanation:

line on x-axis or parallel to x-axis has slope=0

so (-5,-2),(6,-2)(-3,-2),(0,-2)

all these points lie on the line y=0x-2

or y=-2

please help me with this problem

Answers

It’s taking 8 away every time so 88-8 80 then 80-8 72. Hope this helps.

Answer:the question is cut off

Step-by-step explanation:

PLEASE HELP WILL GIVE BRAINLEST

Answers

Answer:

(3,2) makes both equations true

Step-by-step explanation:

If you plug in the numbers, this happens:

2=3-1 TRUE!!

2=-3+5 TRUE

hope this helps!!!

In AXYZ, P is the centroid and YC = 15.
Find the length of YZ

PLEASE HELP!

Answers

Answer:

YZ = 30

Step-by-step explanation:

In Δ XYZ

∵ P is the centroid

XC, YB, and ZA are the medians of the triangle

∵ Each median bisects its base

∴ A is the mid-point of XY

∴ B is the mid-point of XZ

∴ C is the mid-point of YZ

∵ C is the mid-point of YZ

YC = ZC

∵ YC = 15

ZC = 15

∵  YZ = YC + ZC

∴ YZ = 15 + 15

YZ = 30

The length of YZ is 30

if the measure of angle 5 is 63, find the measure of angle 3

Answers

Answer:

∠3 = 117°

Step-by-step explanation:

∠5 and ∠3 are same side interior angles, this means that they are supplementary.

∠5 + ∠3 = 180°

∠3 = 180° - 63°

∠3 = 117°  

2 Simplify: 2 (5+ 3x) + (x + 10)​

Answers

Answer:

7x+20

Step-by-step explanation:

multiply (5+3x) by 2 and combine like terms

if i only have 1/3 cups how many 1/3cups do i need to make a cup? answer asap!?​

Answers

Answer:

2 1/3 ssssssssssssddddss

Answer:

You would need 3 to make 1 whole cup

Step-by-step explanation:

Because If we look at it fraction wise

It would be 1/3 right ? and all we need is to make a whole so if we get 3 of 1/3 cups it would be 3/3 . Which equals to 1 cup

Hoped I helped-

Sleepy~

If f(x) = 3x^2 – 2 and g(x) = 2x + 4, find (f- g)(x).

Answers

Answer:

(f - g)(x) = 3x² - 2x - 6

General Formulas and Concepts:

Pre-Alg

Order of Operations: BPEMDAS

Step-by-step explanation:

Step 1: Define

f(x) = 3x² - 2

g(x) = 2x + 4

(f - g)(x) is f(x) - g(x)

Step 2: Evaluate

Substitute:                    (f - g)(x) = 3x² - 2 - (2x + 4)Distribute -1:                 (f - g)(x) = 3x² - 2 - 2x - 4Combine like terms:    (f - g)(x) = 3x² - 2x - 6


K is the midpoint of JL
J
K
L
If:
JK = 5x-2 and
KL = 9x - 30
Find JL.

Answers

Answer:

14x+32

Will be the Answer of this question

Isn't it?

Answer: 14x-32

Step-by-step explanation:

JL = JK+KL

JL = 5x-2+9x-30

JL = 14x-32

Yeast , a key ingredient bread , thrives within the temperature range of 90° F to 95°F . Write and graph an inequality that represents the temperatures where yeast will NOT thrive .

Answers

Answer:

Please find attached the required graph of the inequality representing the temperatures yeast will NOT thrive

Step-by-step explanation:

The given parameters are;

The temperature range, y, in which yeast thrives is 90°F ≤ y ≤ 95°F

Therefore, the temperature range, y', in which yeast will not thrive is 90°F > y  and y > 95°F

The graph of the inequality that represents the temperature is therefore given as shown in the attached drawing.

Answer:

Picture shown below

Step-by-step explanation:

Yeast thrives in temperatures within the temperature range of 90°F to 95°F. Any temperature above or below those limits hinders yeast production. An inequality to represent where yeast will not thrive is shown, where x represents the temperatures where the yeast will not thrive.

There are 12 players on a volleyball team, and they need to raise $325.20 for new uniforms. The team has already raised $114. If each player raises the same amount, how much more money does each player need to raise?
A $27.01

B
$17.60

C
$9.50

D
$27.10

Answers

Answer:

B: 17.60

Step-by-step explanation:

No one reads these but I did m a t h

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