1.) Eric is twice as tall as Kevin. Kevin is also three feet shorter than Eric.
a. Use mathematical sentences to represent all of the information in this problem.
b. Find each boy's height. HINT: Can you represent both boys with ONE variable?

Answers

Answer 1
I think it’s B tryna help

Related Questions


HELP PLEASE FOR BOTH QUESTIONS

Answers

Answer:

6) x^2+6x+8

7) x^2+3x-10

Step-by-step explanation:

Can someone please help me with this question

Answers

1) 4^12 -You just need to add the powers if the main number is the same.
2) 6^7 -Just add the powers together.
3) 8^5 - you need to take away the 8 as both main numbers are the same.
4) (I couldn’t see it clearly but I think it said 7^8x7^5= 343

Hope this helped and you get your marks

Select the outlier in the data set.
21
52
32
33
28
30
36
40
86
38
34
19

Answers

Answer:

86

Step-by-step explanation:

21   36

52   40

32   86

33   38

28   34

30   19

Pls someone answer pls

Answers

Answer:

x = 44

Step-by-step explanation:

44 goes into 2, 22 times. then 22 + 10 = 32

WILL MARK YOU BRAINLIEST

Answers

Answer:

because WXYZ is a rhombus

=> WX // YZ

=> ZWX + WZY = 180⁰

=> WZY = 180 - ZWX = 180 - 77 = 103

which on these sequences are a fibonacci sequence?? HELP ASAP!!

Answers

Answer:

i believe it's c

Step-by-step explanation:

from what I know the fibonacci sequence is numbers that go up by adding the following number so 1+2 is three and then 2+3 is 5

Answer: C

Explanation:
In the Fibonacci Sequence, you just continuously add the last number in the sequence to the next number in the sequence.

Example:
1, 2 (the next number would be 3 bc 1 + 2 = 3 and so fourth.)

Which equation can we use to find the equal volume of concrete in cubic feet darlin' needs for the staircase

Answers

Answer:

The equation required to find the volume of concrete is:

L X W X H.

Step-by-step explanation:

L = Lenght

W = Width

H = Height

To calculate the required volume for concrete, you'd need to multiply the measures of all the dimensions together such as the lenght and the breath (which gives you the Area) and the thickness or height of the staircase.

If the calculation is being expressed in Feet, the answer will also be expressed as Volume of concrete in Cubic feet.

Cheers

What is 75x96.5 please help due in 10 min

Answers

Answer:

7334

Step-by-step explanation:

a plywood plank measures 1cm x 8cm x 90cm and it weighs 396g what is the volume

Answers

1 x 8 x 90 = 720cm^3

Solve this equation.
-4 (y - 3) = 36

Answers

-4y + 12 = 36

-4y = 24

y = - 6

Answer:

y = -6

Step-by-step explanation:

To solve for y, you must isolate the variable by first dividing both sides by -4:

-4 (y-3) = 36

÷-4

y-3 = -9

Next, add 3 to both sides and you will get your final answer:

y-3 = -9

+3

y = -6

To check your answer, you can plug in -6 for y to ensure that the overall result is 36:

-4(-6-3) = -4(-9) = 36

36 = 36

Hope this helped!

Which of the following expressions is equivalent to (-3x5y) (-4x9y2)

Answers

Answer:

12x^227xy^2 - 20xy4y^3

Step-by-step explanation:

(-3x5y) (-4x9y^2)

first : -3x (-4x9y^2) = 12x^227xy^2

second: 5y(-4x9y^2) = -20xy45y^3

then we add them (12x^227xy^2) + ( -20xy45y^3)

= 12x^227xy^2 - 20xy45y^3

Someone please help!!! I need this asap! I will mark brainliest if correct!

Answers

Answer:

choice 4) SAS

Step-by-step explanation:

the answer is 4o SAS is the correct answer

7e = f
What does it mean when a letter and number are together like this

Answers

Answer:

multiplication

Step-by-step explanation:

7 x e = f

Answer:

If a number and letter are together, it means it is a multiplication problem. It is the same thing as 7 x e.

Step-by-step explanation:

We don't know what e is because there isn't a number given to us to solve the problem, so we say 7 x e = 7e, but the equation tells us that 7e = f, so 7 x e is equal to f which means 7e is equal to f.

Let me just give a number to e. Let's say e is 5

7e = f

We already know 7e is the same thing as 7 x e, so let's rewrite it

7 x e = f

We will change e to 5 and multiply the numbers together

7 x 5 = f

Now multiply 7 x 5

35 = f

If 35 is equal to f, that means the value of f is 35, so f = 35 ( I don't know if this makes sense lol)

But let's now take the original equation and assume f is 42

7e = f

Remember, 7e is 7 x e, so rewrite your equation

7 x e = f

Now we will change the f to 42

7 x e = 42

To get e, we will have to think about what multiplies by 7 to get 42. We will have to change this to division. We will divide 42 by 7

42÷7 = 6

That means e is 6. Now let's write the equation with changing e to 6

7 x 6 = 42

7 times 6 is 42, so we will multiply that

42 = 42

Now we have equal answers. Of course, 42 is equal to 42

Overall I'm trying to say 7e = f

I'll solve this again, so you won't have to go back up.

7e = f

7 x e = f

f = f

I hope this makes sense lol

pls help me find the two words using the letters

Answers

Answer:

nest ,shot,west,then,show,

hope it helps you

A rectangular dining room has an area of 20 square meters. It's perimeter is 18 meters. What are the dimensions of the dining room?

Answers

Answer:

The dimensions are:

Length = 5m and Width = 4m

Or

Length = 4m and Width = 5m

Step-by-step explanation:

A rectangular dining room has an area of 20 square meters. It's perimeter is 18 meters. What are the dimensions of the dining room?

Area of a rectangle = Length × Width

= LW = 20 m²

Perimeter of a rectangle =

2L + 2W = 18 m

Hence:

LW = 20...... Equation 1

L = 20/W

2L + 2W = 18 ...... Equation 2

We substitute

20/W for L in Equation 2

2(20/W) + 2W = 18

40/W + 2W = 18

Multiply through by W

40 + 2W² = 18W

2W² - 18W + 40 = 0

2W² - 10W - 8W + 40 = 0

(2W - 8 )(W - 5) = 0

2W - 8 = 0

2W = 8 , W = 8/2 = 4m

W - 5 = 0

W = 5m

W = 4m or 5 m

Solving for L

When W = 5 m

L = 20/W

L = 20/5

L = 4m

When W = 4m

L = 20/W

L = 20/4

L = 5m

Therefore, the dimensions are:

Length = 5m and Width = 4m

Or

Length = 4m and Width = 5m

Find an equation for the perpendicular bisector of the line segment whose endpoints
are (-8,4) and (-4, -8).

Answers

Answer:

y = 1/3x

Step-by-step explanation:

brainliest for the correct answer ​

Answers

Answer:

5.5 ft ^2

Step-by-step explanation:

1.5 * 5= 5.5

5/7x - 14 = -22. Find x.

Answers

Answer:

x = -56/5, -11 1/5, or -11.2

Step-by-step explanation:

5/7x - 14 = -22

5x -98 = -154

5x = -154 + 98

5x = -56

x = -56/5, -11 1/5, or -11.2

Answer:

x= -11.2

Step-by-step explanation:

5/7x-14=-22

      +14 +14        Add 14 on both sides

  5/7x = -8        

(7/5)*5/7x = -8*(7/5)     Multiply by the reciprocal on both sides to leave x alone

  x= -11.2      Answer

What is 95% of $1350

Answers

Answer:

95% of 1350 is 14.2

Step-by-step explanation:

tell me if i'm wrong

Answer:

1,282.5

Step-by-step explanation:

[tex]1350[/tex] × [tex].95[/tex] [tex]= 1282.5[/tex]

[tex]95[/tex]% [tex]=.95[/tex] in decimal form

plz mark me brainliest. ;0

A package of 5 pairs of insulated socks costs ​$37.45. What is the unit price of the pairs of socks​? The unit price is ​$nothing per pair of socks.

Answers

Answer:

i think 6.59

Step-by-step explanation:

Convert 41 litres to gallons

Answers

Answer:10.8311

Step-by-step explanation: yuh

If 50% of a number is 170 and 20% of the same number is 68, find 70% of that
number.

Answers

The answer to this is 119

The four of you split the cost of materials you bought for your lemonade stand if the total cost was 85$ how much did you each pay? (Please I need help)

Answers

Just divide 85 by 4 and you get $21.25

Progress:
Simplify the expression to a polynomial in standard form:
(3x + 5)(2x2 – 2x – 1)
Answer:
Submit Answer

Answers

    2                                                                                                                                       -6x  -x+15 remove the parennthesies collect like tearms and reoreder like terms then you get your answer

Two gears have a ratio of 8:3.
If the smaller gear has 24 teeth
how many teeth does the larger
gear have?

Answers

Step-by-step explanation:

768775567iooi888776432

Need help on this equation please :(

Answers

Answer:

x=7

Step-by-step explanation:

mark me branlist and if anyone help me with my question from my profile would be appriciate.

Someone please help me quick! Pleaseee

Answers

Answer:

B

Step-by-step explanation:

Reflect x-axis means (x,y) becomes (x, -y)

Shrink by 1/3 means f(x) = x becomes f(x) = 1/3x

Up 4 units means f(x) = x becomes f(x)= x + 4

So lets put that together

[tex]f(x) = \sqrt{x}[/tex]

[tex]f(x) = -\sqrt{x}[/tex]

[tex]f(x) = -\frac{1}{3} \sqrt{x}[/tex]

[tex]f(x) = -\frac{1}{3} \sqrt{x} + 4[/tex]

Please Help !! (no fake answers please)

Answers

Answer:

$80

Step-by-step explanation:

Substitute x for 40 in both equations. Let's start with 50 + 12x. The equation becomes 50 + 12(40). First, multiply 12 by 40 to get 480. Now add 480 to 50 to get a total of $530 in printing fees for Company A.

Now, let's move on to 10 + 15x. That becomes 10 + 15(40). First, multiply 15 by 40 to get 600. Then add 10 to 600 to get $610 in printing fees for Company B.

Now that we know the total costs, let's subtract them to get our difference. Simply subtract 530 from 610 to get our final answer: an $80 difference in printing fee costs between the companies.

A point S( 8,-2) is reflected across the origin, Find the order pair of its image.



A. ( -8 , 2)


B. ( -8, -2)


C. (2, 8)


D. ( 2,- 8)

Answers

Answer:

the answer is B

Step-by-step explanation:

Do your best

Can you do no7 doesn’t matter if u do just one part everything will help

Answers

a) 500
b) 750
c) 500
d) 12500
e) 30000
f) 600
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