pls help me 20 points

Pls Help Me 20 Points

Answers

Answer 1
It’s B I hope it’s helps
Answer 2

Answer:

I think it's B

Step-by-step explanation:

I hope you get it right


Related Questions

What’s the surface area need help ASAP

Answers

Answer:

144 m^2

Step-by-step explanation:

the front side is 9 m tall and 6 m long. The formula for the surface are of triangles is W*L/2, so 9*6=54, 54/2=27. Four sides are the same, so multiply 4 to get 108m. the the faced down part is 6m by 6m, so multiply 6*6 is 36, then add up 36 + 108 = 144m.

Kailey writes 40 words per minute. How many words does she write in
3.5 minutes?

Answers

Answer:

140

Step-by-step explanation:

3.5×40=140

.........................

Answer:

140 words

Step-by-step explanation:

You need to get from 40 words a minute to _____ words in 3.5 minutes. You get from 1 minute to 3.5 minutes by multiplying by 3.5. You then do the same thing to 40 to make it proportional.

Simplify x^1/3(x^1/2+2x^2)

Answers

Answer:

The first choice:  x^5/6 + 2x^7/3

Step-by-step explanation:

= x^1/3 * x^1/2 +  x^1/3 * 2x^2

= x^(1/2+1/3) + 2x(1/3 + 2)

= x^5/6 + 2x^7/3

Answer:

x^5/6 + 2x^7/3

Step-by-step explanation:

If there are 54 countries in Africa, and 195 countries in the world, what percent of countries are are in Africa?

Answers

Answer:

105.4

Step-by-step explanation:

54% of 195 is 105.4

54/195= .2769
Turn into percentage so 27.69 percent

I believe that is your answer correct me if I’m wrong

Which value for x makes the sentence true?

7,272 + x = 7,670
A.
14,942
B.
14,832
C.
387
D.
398

Answers

Answer:

D. 398

Step-by-step explanation:

The way to solve this equation is to subtract 7,272 on both sides to get your x-value.  You should get 398 as your x value and your answer.

mathew wants to build craft stick birdhouses to sell at the Craft fair. Each Bird House cost $3.50. Use the ratio table to find the cost to make 21 birdhouse​

Answers

3.50/1 • 21/1 multiply and your final answer would be 73.5/1 so in total the cost to make 21 birdhouses for the craft fair will be $73.50

4. The weight, in pounds, of a type of small tree is directly proportional to
the cube of its height measured in feet. If an 8' tree weighs 30 pounds,
how much would you expect a 6'6" tree to weigh, rounded to the nearest
pound?

Answers

Answer:

17

Step-by-step explanation:

Simplify the expression below:
4(n-3) - 2(-3 + x)

Answers

Answer:

4n-2x-6

Step-by-step explanation:

Let's simplify step-by-step.

4(n−3)−2(−3+x)

Distribute:

=(4)(n)+(4)(−3)+(−2)(−3)+(−2)(x)

=4n+−12+6+−2x

Combine Like Terms:

=4n+−12+6+−2x

=(4n)+(−2x)+(−12+6)

=4n+−2x+−6

Answer:

=4n−2x−6

Chris wants to ride on the Colossal Coaster at the amusement park. Admission to the park
costs $6 and each ride on the roller coaster costs an additional $0.50. Chris wants to spend less
than $12.50 in all. Find the number of times that Chris can ride on the roller coaster.

Solve using inequalities

Answers

Answer:

He can ride it 4 times

Step-by-step explanation:

Answer:

12 times

Step-by-step explanation:

$6 + $0.50 (x) < $12.50

x is the amount of times he can ride. Since he wants to spend less then 12.50 then he can't go more then 13 times but 13 is spending all his money so 12 times is $0.50 less then his specified amount he wants to spend.

At the video game store, they were having a sale. There was a pack of 3 games for $45.96. If the games were all the same price, what was the cost of each game in the pack?

Answers

Answer:

$15.32 per game

Step-by-step explanation:

45.96/3 = 15.32

i need your help please !!!​

Answers

Answer:

exponent

Step-by-step explanation:

How do you show your work on this question -x/3+2=-5

Answers

Hello!

[tex]\large\boxed{x = 21}[/tex]

[tex]\frac{-x}{3} + 2 = -5[/tex]

Begin isolating for x by subtracting 2 from both sides:

[tex]\frac{-x}{3} + 2 - 2 = -5 - 2\\\\\frac{-x}{3} = -7[/tex]

Further simplify by multiplying both sides by 3:

[tex]\frac{-x}{3} * 3= -7 * 3\\\\-x= -21[/tex]

Multiply both sides by -1 to cancel out the -x:

[tex]-x(-1) = -21(-1)\\\\x = 21[/tex]

1. John’s age is three times that of his sister. When you add John’s age to his sister's age, you get 36. How old are John and his sister?
(a) Write an equation that represents the situation. (1 point)
(b) Solve the equation from Part (a). Show your work. (3 points)

Answer:
Part A: Write an equation.
If the present age is y, then n times the present age = ny.
If the present age is x, then age n years later/hence = x + n.
If the present age is x, then age n years ago = x – n.
The ages in a ratio a: b will be ax and bx.


Part B: Solve the equation.

John’s age =


John’s sister’s age =

Answers

Answer:

sister = 6 years

John=18 years

Step-by-step explanation:

A(S) + 12 = 3 * A(S), subtracting A(S) from both sides one gets 12 = 2 * A(S). Now dividing both sides by 2 we get A(S) = 12/2 = 6 . Therefore, the age of the sister is 6 years when her brother John is three times as old, that is 18 years.

Answer:

36-x=y

y*3=x

x+y=36

Step-by-step explanation:

I wasnt really sure how to write the equation the way you're supposesd to?

John is 27 and his sister is 9. 9*3=27

I just used guess and check sorry

What color is your hair and why have you dyed it over quarantine? My hair is now blue uwu
(2-3=-1)

Answers

my color hair is yellow and I don't dyed it

Answer:

my hair is rainbow and has been for a few weeks now. my brother came out gay and I dyed my hair to support him and now it won't wash now. it's pretty tho

solve for t. -6 - t = -3t

Answers

Answer:

T = 3

Step-by-step explanation:

i believe it’s t = 2


| - 4 | < | -6 | true or false

| - 1 | > | 7 | true or false

| -8 | < - 2 true or false

Answers

Answer:

false

false

true

Step-by-step explanation:

if it has brackets just take them away and the negative symbol

Answer:

1) | - 4 | < | -6 | is true

2) | - 1 | > | 7 | is false

3) | -8 | < - 2 is false

Step-by-step explanation:

We need to find if the statements are true or false.

1) | - 4 | < | -6 | true or false

We know that:

|-4| = 4

|-6| = 6

Now, 4 < 6 is true

So, | - 4 | < | -6 | is True

2) | - 1 | > | 7 | true or false

We know that:

|-1| = 1

Now, 1 > 7 is false, because 1 is less than 7 and not gr eater than 7.

So, | - 1 | > | 7 | is false

3) | -8 | < - 2 true or false

We know that

|-8|= 8

Now, 8 < 2 is false, because 8 is not less than 2, it is greater than 2.

So, | -8 | < - 2 is false

A greyhound dog can run with a top speed of 17.6 m/s. At this rate, how long will it take to run 100 meters?

Answers

Answer:

It will take 5.68 seconds to cover a distance of 100 meters.

Step-by-step explanation:

Given that:

A greyhound dog runs with a top speed of 17.6 m/s

Distance to cover = 100 meters

We know that:

Distance = Speed * Time

Putting the values in formula

100 = 17.6 * Time

Time = [tex]\frac{100}{17.6}[/tex]

Time = 5.68 seconds

Hence,

It will take 5.68 seconds to cover a distance of 100 meters.

6th grade math please help!

Answers

Answer:

A

Step-by-step explanation:

Answer:

A represents the position of -2.2

a student cost for last semester at her community college was $2200. She spent $308 of that on books. whats % of last semesters college costs was spent on books

Answers

Answer:14%

Step-by-step explanation:

Dived $308 by the total $2200 and you get a .14 multiply that by the 100 to get percentage and you get 14%

Are these triangles similar?

Answers

i’m not sure but i don’t think their similar at all. they do have one angle that is shared between both triangles but the lengths of their sides aren’t proportional

11. Evaluate: x²-2x divided by y²+2y if x = 3 y = -1

Answers

9514 1404 393

Answer:

  -3

Step-by-step explanation:

Put the values where the variables are and do the arithmetic.

  [tex]\dfrac{3^2-2\cdot3}{(-1)^2+2(-1)}=\dfrac{9-6}{1-2}=\dfrac{3}{-1}=\boxed{-3}[/tex]

what is the LCM of 180 and 792

Answers

Answer:

3960

Step-by-step explanation:

180=2×2×3×3×5

792=2×2×2×3×3×11

LMC=2×2×2×3×3×5×11

LMC=3960

Subtract 4.32 x 10^6 from 7.57 x 10^6. Show your work. Write your answer in index notation.

Answers

Answer:

3.25 × 10^6

Step-by-step explanation:

7.57×10^6 - 4.32 × 10^6

(7.57 - 4.32) × 10^6

3.25 × 10^6

pls help will give brainly and its 100 points soo also if you do not know DO NOT SAY ANYTHING PLEASE IS THAT SO HARD TO UNDERSTAND

Answers

Answer:

1. 0.6 and 3/5

2. 9/20

3. 44%

4. 6/8, 80%, 17/20, 0.92

5. 1/2

Step-by-step explanation:

1. 0.6 is equal to 60% because it is both 60 out of 100.

3/5 times 20 is also equal to 60 out of 100.

2. 45% as a fraction is 9/20

3. 22/50 times 2 is 44/100, which is also 44%

4. 6/8 as a percent is 75%, and then 80%, 17/20 as a percent is 85%, and 0.92 as a percent is 92%.

5. 600 out of 1320 is roughly one half.

(hope this helps!)

Answer:

g nc n mgmyhyjg

Step-by-step explanation:

A mirror with a parabolic cross section is used to collect sunlight on a pipe located at the focus of the mirror. The pipe is located 2 inches from the vertex of the mirror. Write an equation of the parabola that models the cross section of the mirror. Assume that the parabola opens upward.

Answers

The answer is y= 1/8x^2, if you are using Connexus the answer is C.

15% of 95? and 3 1/2% of 100?

Answers

Answer:

15% of 95-14.25

3 1/2% of 100-3.5

Step-by-step explanation:

Answer:

15% of 95= 14.25

3 1/2% of 100= 3.5

Step-by-step explanation:

3 1/2% of 100= 3.5, because 1% of 100=1

15% of 95=14.25 because 10% = 9.5 and 5% of 95=4.75

4.75+9.5= 14.25

What is the least number of plums which can be shared equally among groups of 8, 12 and 16 students

Answers

Answer:

20

Step-by-step explanation:

20!! have a great day :))))

helppppppppppppppppppppppppppppp

Answers

Answer:

take a deep breathe and try and maybe listen to your teacher next time she asks you such a simple question

Step-by-step explanation:

it would help

Answer:

d

Step-by-step explanation:

Solving

[tex]\frac{x}{-6}[/tex] ≥ 12

Multiply both sides by - 6 to clear the fraction, reversing the symbol as a result of multiplying by a negative quantity.

x ≤ - 72

Since x can equal 72 then there is a closed circle at x = - 72

Since x is less than 72 then the line points to the left.

Graph d represents the solution

Solve for .x.
-9 + 2x + x-3

Answers

Answer:

I belive the answer is 3x - 12

A laptop has a listed price of $539.99 before tax. If the sales tax rate is 6.5%, find the total cost pf the laptop with sales tax included. round your answer to the nearest cent, as necessary.

Answers

ANSWER : $575.09 this is the answer
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