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2 years ago

For every arm a person has, they have a leg. Which ratio represents this situation?

Mathematics

2 answers:

Montano1993 [528]2 years ago

8 0

Answer:

Step-by-step explanation:

It'll be a because every 1 arm, a person has 1 leg. The only ratio that shows this relationship is answer A.

Irina-Kira [14]2 years ago

3 0

A: 1:1 unless they want you to count both arms then it would be B: 2:2

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Hey please answer the questions on attachment, thank you very much- i need it in 10 minutes and am completely clueless.

nevsk [136]

Answer:

5x+17

Step-by-step explanation:

2(x+7) + 3(x+1)

Distribute(Expand) -> 2x+14 + 3x+3
Simplify by combining like terms -> 5x+17

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3 years ago

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There are 26 students in your class. There are 4 more girls than boys. Use a system of linear equations to find how many boys ar

baherus [9]

I hope this helps you

boys+4=girls

boys+girls=26

boys+boys+4=26

2.boys=22

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3 years ago

What lever has resistance between the axis (fulcrum) and the force (effort)? A. first B. second C. third D. fourth Please select

luda_lava [24]

Answer:

The correct option is B- second

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2 years ago

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What is the length of a hypotenuse of a triangle if each of its legs is 4 units

azamat

Answer:

$\boxed{c = 5.7 units}$

Step-by-step explanation:

Using Pythagorean Theorem:

=> $c^2 = a^2+b^2$

Where c is hypotenuse, a is base and b is perpendicular and ( a, b = 4)

=> $c^2 = 4^2+4^2$

=> $c^2 = 16+16$

=> $c^2 = 32$

Taking sqrt on both sides

=> c = 5.7 units

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3 years ago

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Solve for x : log(3x) + log(x + 4) = log(15). Please explain it to me.

zlopas [31]

Answer:

x = 1

Explanation:

$\sf \rightarrow log(3x) + log(x + 4) = log(15)$

Rule: log(a) + log(b) = log(ab)

$\sf \rightarrow log(3x(x + 4)) = log(15)$

cancel out log on both sides

$\sf \rightarrow 3x(x + 4) = 15$

relocate constant variable

$\sf \rightarrow 3x^2 + 12x -15 = 0$

take 3 as a common factor

$\sf \rightarrow 3(x^2 + 4x -5) = 0$

divide both sides by 3

$\sf \rightarrow x^2 + 4x -5 = 0$

middle term split

$\sf \rightarrow x^2 + 5x -x-5 = 0$

factor common terms

$\sf \rightarrow x(x + 5) -1(x+5)= 0$

collect into groups

$\sf \rightarrow (x-1)(x+5)= 0$

set to zero

$\sf \rightarrow x-1 = 0 , \ x+5= 0$

relocate variables

$\sf \rightarrow x = 1, \ x = -5$

There must be a positive solution for log, so the solution is only x = 1

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1 year ago

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