Mathematics College

There are twice as many children as adults attending a family reunion. Which fraction of the family members at the reunion are adults? PLEASE HELP!! I WILL GIVE 18 BRAINLEST POINTS!

Answers

Answer 1

Answer:

1/3

Step-by-step explanation:

let a = adults

so then 2a = children

a/2a(+a) = a/3a

Related Questions

convert 10009 out of 17%​

Answers

Answer:

Step-by-step explanation:

To convert 10,009 to 17%, turn 17% to decimal and multiply that by 10,009 (10,009 * 0.17), which equals 1,701.53

IF you meant to convert the fraction 10,009/17% (read as "10,009 out of 17 percent, ") then simply convert 17% to a decimal (0.17) and divide 10,009 by 0.17 (10,009/0.17) which is about 58,876.47, for full decimal, use a calculator and do 10,009/0.17

The question is kind of confusing so tell me what you meant

Simplify the inequality:
-12.4x+8x > -0.4x-5.2-2.7

Answers

Answer:

x < 1.975

Explanation:

-12.4x + 8x > -0.4x - 5.2 - 2.7

Add similar elements: -12.4x + 8x = -4.4x

-4.4x > -0.4x - 5.2 - 2.7

Subtract -5.2 - 2.7: -7.9

-4.4x > -0.4x - 7.9

Multiply both sides by 10

-4.4x · 10 > -0.4x - 7.9 · 10

Refine

-44x > -4x - 79

Add 4x to both sides

-44x + 4x > -4x - 79 + 4x

Simplify

-40x > -79

Multiply both sides by -1 (Reverse the inequality)

-40x (-1) > -79 (-1)

Simplify

40x < 79

Divide both sides by 40

40x / 40 < 79 / 40

Simplify

x < ⁷⁹⁄₄₀

Turn the fraction into a decimal

x < 1.975

Please help with these 4 pleaseeee!!!

Answers

It looks to me that for each x it’s multiplied by 10 for y so 6*10 would be 60 . Hope it helps <3

Answer:

I only know the last one.

60 Rule: y=x10

Hope this helps

2x+6y=21 and -2x+3y=24 using the elimination method and write as an ordered pair

Answers

Answer:

(-0.5,7.66)

Step-by-step explanation:

2x+6y=21

-2x+3y=24

so 3y=24+2x

reduce

y=(24+2x)/3

substitute for y

2x+6(24+2x/3)=21

2x+(72+12x)/3=21

2x+24+4x=21

6x=-3

x=-0.5

y=(24+-1)/3=7.66

Can y’all help me on question 30?!

Answers

Answer:

If they moved 10 yards that would be 30 feet.  

B would be your answer

Step-by-step explanation:

There are 3 feet in 1 yard.  Multiply the length value by 3.

3 x 10 = 30

( credits to codyprice )

Given s(t) = t^3 - 8t + 9, evaluate s(3)

Answers

Answer:

s(3)=11

Step-by-step explanation:

s(t)=t^3-8t+9

Plug in 3 for t

s(3)=(3)^3 - 8(3) + 9

s(3)=27 - 24 +9

s(3)=11

solve by elimination
{10x-4y=-6
{-3x+4y=-1
WORK MUST BE SHOWN

Answers

Answer:

x = -1

y = -1

Step-by-step explanation:

10x - 4y =  -6  ---------------------(I)

-3x + 4y =  -1 ---------------------(II)

Add equation (I) & (II) and y will be eliminated.

10x  - 4y = - 6

-3x  + 4y = -1       {Add}

7x           = - 7

         x = -7/7

x = -1

Plugin x =-1 in equation (I)

10*(-1) - 4y = -6

-10 - 4y = -6 {Add 10 to both sides}

     -4y = -6 + 10

     -4y = 4  {Divide both sides by (-4)}

         y = 4/(-4)

y = -1

There are 9 people in an office with 5 different phone lines. If all the lines begin to ring at once, how many groups of 5 people can answer these lines?

Answers

Answer:

1

Step-by-step explanation:

if it was 10 it would be 2, but it isnt. and it cant be a number with a decimal cause i would be surprised if a math problem has it where you cut people in half or portions


Superman needs to save Lois from the clutches of Lex Luthor. After flying for 8 seconds, he is 1692
meters from her. Then at 16 seconds he is 1284 meters from her.
How close to Lois is Superman after 29 seconds?

Answers

1692-1284 = 408 meters travelled in 8 seconds

408/8 = 51 meters per second is his rate of speed.

51 x 29 = 1479 meters

BUT he was 1284 meters away, so by traveling 1479 meters, he passed her.

1479 - 1284 = 195 meters past her.

He is 195 meters away from Lois at 29 seconds.

Now we could argue, since Superman is not a fool, he would’ve stopped at Lois. But that’s not what your math teacher is looking for ;)


Using the compound interest formula, the "n" is what value when compounded annually?

Answers

Answer:

n=1

Step-by-step explanation:

N is the number of times per year

Annually would be one time per year so n =1

Answer:

If interest is compounded yearly, then n = 1; if semi-annually, then n = 2; quarterly, then n = 4; monthly, then n = 12; weekly, then n = 52; daily, then n = 365; and so forth, regardless of the number of years involved. Also, "t" must be expressed in years, because interest rates are expressed that way.

Step-by-step explanation:

It's a snip-it from the web, but it worked for me.

can somebody solve this 45=x-20

Answers

x=65
add 20 to both sides of the equation

Evaluate the following expression. Round to the nearest hundredth when necessary.

6³ - 18

Answers

Answer:

198

Step-by-step explanation:

Because 6 to the power of three is 6 x 6 x 6 = 216 - 18 = 198

If a triangle has angles of 40, 120, and 20 degrees, then it is called an_______ triangle.

Answers

Answer:

Obtuse

Step-by-step explanation:

1 angle over 90

Please tell me the sum 3+5?

Answers

Answer:

5+3=8

Step-by-step explanation:

5+3=8

sum is adding

Answer:

The answer is 8

Step-by-step explanation:

If you were to deposit $1,000 into an account that paid 10 percent interest compounded semiannually, how much money would you have in the account one year from now?

Answers

Semiannual means there will be two total periods in a year. Divide ten percent by two to get the interest rate per period. Then multiple by 1+i twice

please help me if you can!!!

Answers

Answer:

I hope this helps.

Step-by-step explanation:

Use the formula for the volume of a triangular pyramid: V=13Ah , where A = area of the triangular base, and H = height of the pyramid.

HELP!!! THIS IS DUE AT 11:59!

Answers

Answer:

x + 5 = 27

x = 22

30 = x - 8

x = 38

x - 14 = 10

x = 24

Step-by-step explanation:

1. x+5=27
x=27-5
x=22
2. 30=x-8
30+8=x
38=x
3. x-14=10
x=+14+10
x=24

what is ( 7v + 5 ) – ( 2v + 2 )

Answers

Answer:

5v+3. I hope I helped :'D

Steps for answer!

1. Remove parentheses.

7v+5-2v-2

2. Collect like terms.

(7v-2v)+(5-2)

3. Simplify.

5v+3

Division of fractions

Answers

Answer:

The first step to dividing fractions is to find the reciprocal (reverse the numerator and denominator) of the second fraction. Next, multiply the two numerators. Then, multiply the two denominators. Finally, simplify the fractions if needed.

Answer:

Dividing by fractions is just like multiplying fractions, except for one additional step. To divide any number by a fraction: First step: Find the reciprocal of the fraction. Second step: Multiply the number by the reciprocal of the fraction. Third step: Simplify the resulting fraction if possible.

Step-by-step explanation:

Hope this helps

Mike bakes 24 cookies for some friends. He gives the same number of cookies to 2 friends. How many cookies c does each friend receive? Write an equation to represent the number of cookies each friend receives.​

Answers

Answer:

12 cookies for both friends (assuming you don't get any)

Step-by-step explanation:

24/2=12

since you seem like a kid, that slash means divided by

1) (35 + 17) + 43 = 35+ (17 + 43)

Answers

Answer:

95?

Step-by-step explanation:

What value of y makes this true?
25 - y< 15

Answers

Answer:

Anything that is 11 or greater

Step-by-step explanation:

please make brainliest

Answer:

y is greater than 10

Step-by-step explanation:

(10, undefined)

Find QUS, given the following sets:
P = {b, d, f, g}
Q = {a, b, c, d]
R = {c, e, f, g}
S = {a, d, g}

Answers

Answer:

Q=(a,b,c,d)

S=(a,d,g)

QUS=(a,b,c,d,g) Union of set means all the elements in both set.

5(6p-3)-2 = 2(15p - 11)+5 one solution, no solution, infinite solution ​

Answers

Answer:

Step-by-step explanation:

Choose the correct simplification of (9xy^5)^2.

A) 18x^2y^10
B) 18x^2y^7
C) 81x^2y^7
D) 81x^2y^10​

Answers

Answer:

D) 81x²y¹⁰

Step-by-step explanation:

(9xy⁵)²

Because all of 9xy⁵ are in the parentheses, each component is raised to the 2nd degree.

(9)² = 81

(x)² = x²

(y⁵)² = y¹⁰ -- When you raise an exponent to another exponent, you multiply the exponents.

Now combine the components.

D) 81x²y¹⁰

1. In which set of ordered pairs is y a function of x?
A. {(1, 2), (0, 1), (0, 2), (1, 1)}
B. {(4, 1), (3, 1), (2, 1), (1, 1)}
C. {(1, 4), (1, 3), (1, 2), (1, 1)}
D. {(2, 5), (3,6), (6,5), (2, 7)}

Please help :(

Answers

B because the x value didn’t repeat

Identify the domain, range and x-intercept of the function below.

Answers

domain is the x values it spans across. look at the graph, and see if you can tell what that is.

range: the y values it spans across^

x-intercept: where does it hit the x axis? (hint: it intersects at 2 different points)

5. The daily temperature recorded (in degree F) at a place during a week was as under:
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
35.5
30.8
27.3
32.1
23.8
29.9
Find the mean temperature.​

Answers

Answer:

29.9 °F

Step-by-step explanation:

The formular for mean is given as;

Mean = Sum of Terms / Number of terms

Number of terms = 6

Sum of terms = 35.5  + 30.8  + 27.3  + 32.1  + 23.8  + 29.9 = 179.4

Mean = 179.4 / 6 = 29.9

Help me pls pls pls pls

Answers

J. 4y + 8

4(y + 2). <—— multiply 4 by what’s in the parentheses

4 • y = 4y
4 • 2 = 8
The answer is J. 4y+8

someone pls help me‼️

Answers

Step-by-step explanation:

to find area of quarter circle---

= πr²×1/4

= 22/7×8×8×1/4

= 50.28

hope this helps:)♥

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