PLZ SHOW all WORK 40 points!!!!

PLZ SHOW All WORK 40 Points!!!!

Answers

Answer 1

Answer:

Kim is 24 and her sister is 12.

Step-by-step explanation:

a) Xx2+X

I used the variable X because that represents Kim's sisters age, which you need to know in order to find out Kim's age. To get Kim's sisters age use a guess and check table or pick numbers until you get to the correct answer.

b) 12x2=24

24+12=36

My solution is Kim is 24 and her sister is 12.

Answer 2
Kims Age let it be (k)
Her sister s age let it be (s)

2(s)=(k) *kim is twice of the age
(k)+(s)=36. *they add up to 36

*since k=2s, subtitude that into the equation k+s=36

(2s)+(s)=36
(3s)=36
s=12

*kim is twice as old as her sister.
12×2=24

*check work
12+24=36
12×2=24
mission accomplished

Related Questions

Which value below is included in the solution set for the inequality statement?
-3(x - 4) > 6(x - 1)

Answers

[tex]-3(x-4) > 6(x-1)\qquad\text{use distributive property}\\\\(-3)(x)+(-3)(-4) > (6)(x) + (6)(-1)\\\\-3x+12 > 6x-6\qquad|\text{subtract 12 from both sides}\\\\-3x > 6x-18\qquad|\text{subtract 6x from both sides}\\\\-9x > -18\qquad|\text{change the signs}\\\\9x < 18\qquad|\text{divide both sides by 9}\\\\x < 2[/tex]

What is the probability of rolling at least one 5 or 6 when rolling the dice two times?

Answers

The total outcome of rolling the dice twice is:
6×6
=36

And there are in total 20 outcomes of rolling at least one 5 or 6.

The probability will then be:

20/36
=20÷4/36÷4
=5/9

Therefore the answer is 5/9.

Hope it helps!

order the following numbers from least to greatest.


4.6 ⋅ 10^9, 7.3 ⋅ 10^9 , 3.9 ⋅ 10^15 , 2.1 ⋅ 10^18

Answers

The order you put is already correct.

Answer:

correct

Step-by-step explanation:

the larger number is 18 more than twice the smaller. if the sum of. the two numbers is 93, find both numbers.

Answers

[tex]<b>HEY THERE ![/tex]

Let the smaller number is X

and the larger number is Y

NOW according to question the larger number is 18 more than twice the smaller.

so y = 2x+18.......(1)

And the sum of. the two numbers is 93
So x+y = 93......(2)

From equation (1) put the value of y in equation (2)
=> x+2x+18= 93
Subtract 18 on both sides
=> 3x = 75
Divide by 3 on both sides
=> x = 15

Now put this new value of x in equation (1)
y = 2×15+18
=> y = 48

So the smaller number is 15 and the larger number is 48.

HOPE IT HELPED YOU.

The larger number is 68 and the smaller number is 25.

What is an expression?

Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

Given that the larger number is 18 more than twice the smaller. if the sum of. the two numbers are 93. let the larger number be L and the smaller number be S.

L = 18 + 2S

L + S = 93

18 + 2S + S = 93

18 + 3S = 93

3S = 93 - 18

3S = 75

S = 25

L + S = 93

L + 25 = 93

L = 93 - 25

L = 68

Therefore, the larger number is 68 and the smaller number is 25.

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help Asp please it's do tomorrow

Answers

Hello!

To answer your question we need to follow these steps:

First we will need to subtract the $6 tip from the total of the meal, as a tip is added AFTER tax is applied.Once we subtract 6 from 45.42 we are given 39.42 as our price with tax.The next step is divide 39.42 by 1.08 , or 8% This gives us the total of $36.50 before tax.We will then subtract the price of the fries from out total before tax, giving us the equation $36.50 - $5.00 which gives us a total of $31.50Our last step, is to divide this amount by 3 to find the cost of 1 sandwich. $31.50/3= $10.50

If you have followed these steps correctly you will find that the cost of one sandwich is $10.50!

What is the degree of the monomial? 3x^10
10
3
13
30

Answers

i would say 10 if it is an exponent

The degree of the monomial 3x¹⁰ is 10, which is the sum of the exponents of the variables it contains.

The degree of a monomial is the sum of the exponents of all its variables. In the monomial 3x¹⁰, there is only one variable (x) with an exponent of 10. Therefore, the degree of this monomial is 10.

No other operations, such as cubing of exponentials, are relevant in this context.

This is hard for me :(

Answers

Remark

A

You can do the same thing with a program called Desmos. Using this program, I've put A and B (the graphs) in Desmos and attached it to this Answer.

You could just do the same with your graphing calculator if you have one.

The problem is that my graphing calculator won't draw the blue line which is x = - 2

So go to Desmos and put in 2 graphs. the first one is y = - 1/2 x + 3 in red

The second is x =- 2. These are entered on the left of Desmos.

The blue line is x = - 2. You notice that the intersect point is (-2,4). Run your finger straight across until you hit 4. That's all you have to do for the A part.

B

The question has 3 blanks. The first 2 come from the question directions to see if you read those directions. Always a good idea to do that.

first blank  is x = - 2

second blank is x = - 2

Third blank is - 7

The red line is y = 3/2 x - 4

The blue line is x = -2

In one version of a trail mix, there are 3 cups of peanuts mixed with 2 cups of raisins . In another version of trail mix, there are 4.5 cups of peanuts mixed with 3 cups of raisins. Are the ratios equivalent for the two mixes? Explain your reasoning

Answers

Ratio of peanuts to raisins in the first version of a trail mix = 3:2.

Ratio of peanuts to raisins in the second version of a trail mix = 4.5:3.

Divide the ratio by 1.5.

Ratio for second mix = 3:2.

Hence, the ratios are equivalent for the two mixtures.

The ratios are equivalent

The ratios are equivalent because when they are simplified, they both are 1.5 : 1

Ratio shows the relationship that exists between values. It shows the proportion of one value in another value.

Ratio of peanuts to raisins in the first version = 3 : 2

To simplify, divide both numbers by 2

1.5 : 1

Ratio of peanuts to raisins in the second version = 4.5 : 3

To simplify, divide both numbers by 3

1.5 : 1

The ratios of the first and second trail mix are equivalent.

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Convert the decimal 0.6333… to a fraction and classify it as either rational or irrational.

A. 57⁄9, irrational
B. 57⁄90, rational
C. 63⁄90, rational
D. 63⁄99, rational

Answers

answer B

We assume        x=  0.6333

100x = 63.3333

  10x=  6.333  33               (subtract it )

----------------------------

 90x = 57 ( divide by 90 on both sides)

So x= [tex]\frac{57}{90}[/tex]

Answer : [tex]\frac{57}{90}[/tex]

When we can write a number in fraction form then it is a rational number.

We converted the  decimal number into a fraction so it is rational


The answer is B. 57/90, rational.

find the slope of the line

Answers

answer:

slope: -[tex]\frac{3}{4}[/tex]

step-by-step explanation:

for this problem we are asked to find the slope of the line

our equation for slope is: [tex]\frac{rise}{run}[/tex]

so using our graph we need to find both the rise and run to get from one point to another

going from the point (-2, -2) to (2, 5)

rise: -3 (it is negative because we are moving down)

run: 4

so now plug this into our slope equation: [tex]\frac{rise}{run}[/tex]

making our equation -[tex]\frac{3}{4}[/tex]

We can use the points (-2, -2) and (2, -5) to solve.

Formula: y2-y1/x2-x1

= -5-(-2)/2-(-2)

= -3/4

Best of Luck!

What’s the answer to this equation? 5-3(2a-6)=-6a+13

Answers

Answer:

12a - 31 = 0

Step-by-step explanation:

3(2a - 6) = -6a + 13

6a - 18 = -6a + 13

6a - 18 + 6a - 13 = 0

12a - 31 = 0

please explain how to do square roots

Answers

JUST WATCH KHAN ACADEMY!!!! It’s an amazing website it teaches u everything
So, a square root is like the opposite of a
[tex] {x }^{2} [/tex]
If that doesn't help, calculators have a square root button by the carrot ( ^ )

The difference of 10 and a number is negative eight

Answers

10 - x = -8

x = 10 + 8

x = 18

-----------------------

10 - 18 = -8

I don’t understand this, please help

Answers

Hello !

1.     15 + 37 = 52

2 .    22+ 49 = 71

3 .     33 + 26 = 59

4 .      34 + 18 = 52

I found these answers by adding the squares together .

I figured out question 4 by adding the amount of feet the tree grew.

Final answer:

The subject of this question is English, which involves studying language, literature, and writing. It helps students develop communication and critical thinking skills

In English class, students study various aspects of language, literature, and writing. This can include topics such as grammar, vocabulary, literary analysis, reading comprehension, and creative writing. English is an important subject as it helps students develop strong communication skills, critical thinking abilities, and a deeper understanding of different cultures and perspectives.

What’s |z-15|+5c+j z=10 c=-2 j=-4

Answers

Answer:

-9

Step-by-step explanation:

10-15 = -5 I-5I= 5

5*-2= -10

5+-10+-4 = -9

I need help solving this: Solve: 6 = 2m + 14

Answers

Take the like terms on one side:

2m=6-14

2m = 8

m= 8/2

m= 4
2m = 6 - 14
2m = 8
I hope this helps I'm not really sure

A.) Multiply these numbers the quickest and easiest way possible: 87 x 5 x 2 B.) Explain how you were able to quickly determine the product. Justify your reasoning using a property of multiplication.

Answers

It is easy to multiply numbers by 10: you simply have to add an extra zero at the end.


This means that, using associative property, we know that


87 x 5 x 2=(87 x 5) x 2=87 x (5 x 2)


The last expression is the easiest to compute, because we have

87 x (5 x 2) = 87 x 10 = 870

Hope I helped.

Please help, i did it just dont want to get a bad grade for homework so need somone to double check.

Answers

A. [tex]f(-5)=7+|-5|=12[/tex]

B. [tex]g(4)=4^3-5=59[/tex]

C. [tex]f(0)=7+|0|=7[/tex]

D. [tex]f(2)=7+|2|=9[/tex]

E. [tex]g(-2)=-2^3-5=-13[/tex]

Hope this helps BangtanBoyScouts

HELP ME HAVING TROUBLE!!!

Answers

It's A because 6^4=6×6×6×6
A power is the number of time that something is multiplied.

You are remodeling your kitchen. You’ve contacted two tiling companies who gladly told you how long it took their workers to tile a floor of a similar size. Jim completed half the floor in 12 hours . Pete completed the other half in 10 hours. If Pete can lay 25 more tiles per hour than Jim, what equation would you use to find the rate that Jim can lay tiles. Let x represent Jim’s rate

Answers

As given, let Jim's rate = x

Let Pete's rate =y

Jim completed half the floor in 12 hours so it's [tex]12\times rate[/tex]= 12x 

Pete completed the other half of the floor in 10 hours so its [tex]10\times rate[/tex]=10y

As floor area is equal so,

[tex]12x=10y[/tex] .............(1)

Now, given is that Pete can lay 25 more tiles per hour than Jim, this gives=

[tex]y=x+25[/tex] ...... (2)

Putting the value of y from equation (2) in equation (1) , we get

[tex]12x=10(x+25)[/tex]

So, the equation is : [tex]12x=10(x+25)[/tex]

If you want to solve it, it becomes:

[tex]12x=10x+250[/tex]

[tex]2x=250[/tex]

[tex]x=125[/tex]

Hence, Jim can lay 125 tiles and Pete can lay 25 more so 125+25=150 tiles.



Answer:

12x=10(x+25)

Step-by-step explanation:

apex

liquid A has a density of 1.4 g/mL , liquid B has a density of 5.9 g/mL and liquid c has a density of 3.2 g/ mL. arrange the three liquids ina density column ( explain your answer)

Answers

Liquid B

Liquid C

Liquid A

Because the denser layers sink and the less dense layers float to the top, just like oil and water, the water is more dense than the oil, that is why the oil floats to the top and the water remains at the bottom:))

Final answer:

At the bottom of the density column there is liquid B with a density of 5.9 g/ml, in the middle liquid C with a density of 3.2 g/ml and in the middle liquid A with a density of 1.4 g/ml be at the top.

Explanation:

To arrange liquids A, B, and C in a density column, you must consider their respective densities, since the highest density liquid stays at the bottom and the lowest density liquid floats at the top. Liquid B has the highest density (5.9 g/ml), then liquid C with a density of 3.2 g/ml, then liquid A with the lowest density, 1.4 g/ml. Therefore, when arranging these liquids in a density column, place liquid B at the bottom, liquid C in the middle, and liquid A at the top.

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• WILL MARK AS BRAINLIEST • !

Answers

To simply determine if the solution is true. Simply plug in and or substitute the values of w for the expression. Then see if the left hand side is equal to the right side of the equation.







Solving it:

5= -(w+1)

5= -w - 1

W= -1 - 5

W= -6

Hope this helps

the arithmetic average of 10 numbers -2, -5,-2, 5, x , -3 10, 3, 8, -10 is 8 find x

Answers

AS

Arithmetic average = Sum of all the numbers /Total numbers

SO arithmetic average= {(-2)+(-5)+(-2)+(5)+(x)+(-3)+(10)+(3)+(8)+(-10)} / 10

                                      ={4x} /10

                                      =0.4 x

As Given Arithmetic average= 8

so   0.4x =8

       Dividing 0.4 Both sides

     0.4x/0.4 = 8/0.4

      x= 20

The area of a rectangular vegetable garden is 200ft^2 . The width is 10 ft. What is the lenght of the vegetable garden?

Answers

The length is 20 ft. 10ft times 20ft = 200ft^2

The length of the rectangular vegetable garden will be 20 feet.

What is the area of the rectangle?

Let W be the rectangle's width and L its length.

The area of the rectangle is the multiplication of the two different sides of the rectangle. Then the rectangle's area will be

Area of the rectangle = L × W square units

The region of a rectangular vegetable nursery is 200 square feet. The width is 10 feet.

The length of the rectangle will be given as,

200 = 10 L

L = 200 / 10

L = 20 feet

The length of the rectangular vegetable garden will be 20 feet.

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Brittany is sell car magnets. She purchases them for $7.50 each and marks up the price by 30%. How much is Brittany planning to charge?

Answers

9.75 because 7.50 times 30% equals 9.75

Considering that 30% of $7.50 is the same as 0.3/7.5, you would get $2.25 as the markup price. So by adding $7.50 with $2.25, Brittany would charge $9.75 per car magnet.

Find three consecutive integers whose sum is 35.

Answers

5, 10, and 20. (This is your answer.)

5 + 10 + 20 = 35.

These numbers are also consecutive, meaning each comes after the other on a number-line.

Hope this helps!

The sum of 2 and is less than -29

Answers

the answer is 27 I think
Sum means to add, so instead of -29 - 2, the problem is -29 + 2 which equals,
-29 + 2 = -27

The answer is -27

Please simplify the following distributive property expression:

11(9+4v)

Answers

[tex]11(9+4v)\qquad|\text{use distributive property}\\\\(11)(9)+(11)(4v)=99+44v[/tex]

If the opposite of g(x) is –g(x), then –g(x) = ?

Answers

Answer:

if you are looking for g(x)=x-6 the opp is....... -g(x)=-x+6

Step-by-step explanation:


Answer:  -g(x)=-x+6

Step-by-step explanation:

At a pet show, There are dogs, cats and rabbits. There are 480 contestants altogether. 1/2 of the contestants are cats, 1/6 of the contestants are rabbits. How many dogs are there? What fraction of the contestants are dogs?

Answers

The fraction of the contestants are dogs which are 17/48.

What is the unitary method?

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.

We have been given that there are dogs, cats, and rabbits.

480 contestants altogether. 1/2 of the contestants are cats, and 1/6 of the contestants are rabbits.

Total = 480

Cats = 1/2 x 480 = 240

Rabbit = 1/6 x 480 = 70

Then; the Number of dogs are

480 - 70 - 240

= 170

Therefore, a fraction of the contestants are dogs which is

170/480 = 17/48

Hence, the fraction of the contestants are dogs which are 17/48.

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