Solve for x. 12:15 = x:5

Answers

Answer 1

Answer:

The value of x will be;

⇒ x = 4

What is Proportional?

Any relationship that is always in the same ratio and quantity which vary directly with each other is called the proportional.

Given that;

The expression is,

⇒ 12 : 15 = x : 5

Now,

Since, The expression is,

⇒ 12 : 15 = x : 5

Hence, Solve for x as;

⇒ 12 / 15 = x / 5

⇒ 12 × 5 / 15 = x

⇒ x = 12 / 3

⇒ x = 4

Thus, The value of x = 4

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Answer 2

Answer: 15/3 = 5
12/3 = 4
x = 4

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A(-3,2) B(5,-4) midpoint is (1,-1) Use the midpoint formula to find endpoint C, such that B is the midpoint of AC. HELPP PLEASE.

Answers

$CHECK:\n\nthe\ midpoint\ AB:\left((-3+5)/(2);\ (2-4)/(2)\right)=\left((2)/(2);\ (-2)/(2)\right)=(1;-1)\n-------------------------------\nC(x;\ y)\n\nthe\ midpoint\ AC:\left((-3+x)/(2);\ (2+y)/(2)\right)\n\nB\ is\ the\ midpoint\ AC\ then:\n\n(-3+x)/(2)=5\ and\ (2+y)/(2)=-4\n\n-3+x=10\ and\ 2+y=-8\n\nx=10+3\ and\ y=-8-2\n\nx=13\ and\ y=-10\n\nSolution:C(13;-10).$

(Algebra 1)Mrs. Henson, of the Antique Attic, can polish 11 antique chairs in 3 hours. Find Mrs. Henson's rate per hour. (write your answer as a fraction.) Make sure your answer is fully reduced.

Answers

11/3 chairs in1 hour hope i helped!!

How to graph the equation y=1/4x-6

Answers

$y= (1)/(4)x-6 \n \nx=-8 \Rightarrow y=(1)/(4)* (-8)-6=-2-6=-8\n \nx=-4 \Rightarrow y=(1)/(4)* (-4)-6=-1-6=-7\n \nx=0 \Rightarrow y=(1)/(4)* 0-6=0-6=-6\n \nx=4 \Rightarrow y=(1)/(4)*4-6=1-6=-5 \n \nx=8 \Rightarrow y=(1)/(4)*8-6= 2-6=-4$

Solve.
3/4x=18 please show work ...?

Answers

18 = 3/4x
3 = 18 x 4x
4x = 3/18
4x = 1/6
x = 1/24

4/3 times 3/4 to cancel out

18 times 4/3
this will be 72/3

72 divided by 3 is 24

X = 24

Evaluate the function f(x)=7x+3 at the given values of the independent variable and simplifya. f(5) b. f(x+8) c. f(-x)

HELP

Answers

$f(x)=7x+3\n\nf(5)\ substitute\ 5\to x\n\nf(5)=7\cdot5+3=35+3=38\n\n\nf(x+8)\ substitute\ x+8\to x\n\nf(x+8)=7(x+8)+3=7x+56+3=7x+59\n\n\nf(-x)\ substitute\ -x\to x\n\nf(-x)=7\cdot(-x)+3=-7x+3$

LaToya decides to join a gym for a minimum of one month to train for a triathlon. The gym charges a beginner's fee of $100 and a monthly fee of $38. If x represents the number of months that LaToya is a member of the gym, the equation below can be used to determine C, her total membership fee for that duration of time: 100 + 38x = C

LaToya has allocated a maximum of $404 to spend on her gym membership. Which number line shows the possible number of months that LaToya can be a member of the gym?

Answers

Answer:

Number line with closed circle on 1 and 8, shading in between.

Step-by-step explanation:

This is the question you are referring to.

as 100+38x=C is our equation to determine the number of months, with $404 as a Maximum amount for her to spend, we know the beginners fee is 100 and every month(Including the first) is 38 dollars. we can understand that in 8 months, she will reach exactly 404 dollars spent on her membership.

well 404 dollars subtract 100 for member ship and have 304 then divide 304 divided by 38 and you get 8 months plug it in and bam 8 is c which makes sesne when checking your answer

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