Mathematics High School

a board that is 4 1/2 feet long weighs 7 1/5 pounds how much would one foot of the board weigh? write your answer as a mixed number

DESPERATE PLEASE HELP WILL AWARD BRAINLIEST

Answers

Answer 1

Answer: 1 foot = 5/3 or 1.6666 pounds

Step-by-step explanation: to get 4 1/2 feet to one foot, you divide by 4 1/2. in this equation, 4 1/2 ft= 7 1/2 pounds. if you divide one side by 4 1/2, you also have to do the same to the other side. therefore you do 7 1/2 divided by 4 1/2 which will give you 1.6666 or 5/3.

1 foot= 5/3 pounds

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Which equation represents a proportional relationship?
A. 1/4x + y = 10
B. y = 1/4x
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Answers

B. y = 1/4x

The equation has no y intercept so the line goes through the origin and it’s saying that as x increases by 1/4, y increases by 1

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Answers

Answer:

Infinitely many solutions

Step-by-step explanation:

Note that 2(2x+3y=12) is 4x+6y=24, which is the first equation. Therefore, by canceling the equations out, you have 0=0, which means whatever one side equals, the other side ALWAYS equals that.

x-5+x-11=100 what is the reason for this statement for geometry?​

Answers

Answer:

because when the value of x is replaced in the factorisation it Will be equivalent to 100

Solve this equation: -7.2 + 12 - 2.c
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Answers

Answer:

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Step-by-step explanation:

i’m just stuck on #6, is it d or c???

Answers

It’s D because the angles are found in the same relative position on different intersections

Tổng các góc của tứ giác bằng bao nhiêu

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Answer:

tổng các góc của tứ giác bằng 360 độ

Step-by-step explanation:

ha? what language is that?

FRANK has a paper clip.it has a mass of 9g and a volume of 3cm3.what is its density?

Answers

Answer:

3 g/cm³

Step-by-step explanation:

The density of a substance can be found by using the formula

[tex]density = \frac{mass}{volume} \\[/tex]

From the question we have

[tex]density = \frac{9}{3} = 3 \\ [/tex]

We have the final answer as

3 g/cm³

Hope this helps you

Math need help one question

Answers

Answer: Multiply the second equation by -2

Explanation:

The elimination method requires you to set one variable in an equation to be the opposite of that variable in another equation.  As such, due to the presence of 2x in the top equation, you need -2x in the bottom.  Then, simply add the equations to get the answer.

Hope it helps :)


What is the equation of the line in slope-intercept form?
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Answers

Answer:Slope-intercept form, y=mx+b, of linear equations, emphasizes the slope and the y-intercept of the line.

Step-by-step explanation:

y coordinate

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Show that the expression 1.50(10-r) is equivalent to 15-1.50r

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Answer:

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Step-by-step explanation:

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Answer: did u get it right

Step-by-step explanation:

Answer:

Step-by-step explanation:

2x ÷ (6x² -10x) and

[tex]\dfrac{2x}{6x^{2}-10x}[/tex]

In the figure, s//t Find the m\1
will give brainliest ​

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The answer is 115 degrees

express -121 in simplest form

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Answer:

An expression is in simplest form when no terms can be combined. To express 3 + (2 × 5) in simplest form: First: perform the operation within parantheses. Next: perform the addition. thank me later

Justify each step
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Answers

Answer:

Given, Associative, Commutative, Associative, Addition

Step-by-step explanation:

-12p + 45 -7p           Given

-12p + (45 - 7p)        Associative

-12p + (-7p + 45)      Commutative

(-12p + -7p) + 45     Associative

-19p + 45                Addition


Factor the following expression completely.

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A. 1343 1) (4x + 1)
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Answers

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The answer to the graph

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Please help me solve this ASAP please !

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This is a Reflection :) Have a great day !

Reflection because it is the same just flipped over the line, and all the points are the same.

Taylor has $150 to spend on small canvases and paints for her art classes. The art supply store sells a four-pack
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Which inequality represents this situation where is the number of four-packs of canvases and p is the number of
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Answers

Answer:A

Step-by-step explanation:

_____13. Public opinion polls are only estimates because (A) random digit dialing has replaced person-to-person interviewing. (B) all surveys have a sampling error. (D) samples of fewer than one million people are too small. (E) opinion polls have been deemed ineffective by political candidates.

Answers

Answer:

(B) all surveys have a sampling error.

Step-by-step explanation:

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Answers

Answer:

8/9

Step-by-step explanation:

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A girl can run 6 2/3 metres in one second. How long will it take her to run 100 metres?
HELP PLEASE.

Answers

Answer:

15 seconds

Step-by-step explanation:

How did i get this answer? It is apparent that the girl is capable of running 6 2/3 metres per one second and she must run 100 metres.

First, let's convert 2/3 into a decimal so that it is easier to calculate later. 2/3=0.667 (you can also just do 2 divide by 3 and will end up with the same number)

Now our numbers are 6.667 and 100. Let's divide 100 by 6.667 which estimates to 15

Answer:

It will take the girl 15 seconds to run 100 meters

Step-by-step explanation:

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reverse it to see if your right: 15×6 2/3 is 100

have a good day, sorry if I'm wrong:)

(if I am wrong plz tell me<3)

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Answers

Here is the graph. Work is shown in the picture. I hope this helps.

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Answers

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

so for 1 if one cupcake is $4.00 that means multiplying it by x gets you $36.00

and the 4 next to the x means multiplyand x is sam and 15 is marco sam is 3 years younger so x+3=15 and x being 12 <3 hope this helps

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Answer:

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Step-by-step explanation:

read your book so that you can know your book

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

Help please thank you!

Answers

Answer:

g(f(x)) = x

Yes, the functions are inverses.

Step-by-step explanation:

Hi there!

We're given:

[tex]f(x) = 8x-7[/tex]

[tex]g(x)=\displaystyle\frac{x+7}{8}[/tex]

To solve for g(f(x)), plug f(x) into g(x) as x:

[tex]g(f(x))=\displaystyle\frac{(8x-7)+7}{8}\\\\g(f(x))=\displaystyle\frac{8x-7+7}{8}\\\\g(f(x))=\displaystyle\frac{8x}{8}\\\\g(f(x))=x[/tex]

Because g(f(x)) = x, the two functions are inverses.

I hope this helps!

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Answers

Answer: ∠A ≅ ∠A; reflexive property

Step-by-step explanation: found it online :)

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