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3 years ago

Complete the flow map using the words product

Mathematics

1 answer:

amm18123 years ago

4 0

What Flow map??????? I need the flow map

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A house and a lot are appraised at $420000. If the value of the lot 3/4 of the value of the house, how much is the lot alone wor

34kurt

Hello from MrBillDoesMath!

Answer:

180000

Discussion:

Let H = house and L = lot. The Question tells us that H + L = 420000 and L = 3/4H. We are asked to solve for L

H + L = 420000 => L = 3/4H implies that H =4/3L

(4/3)L + L = 420000 => (4/3) + 1 = 7/3

(7/3)L = 420000 => multiply both sides by 3/7

(3/7)(7/3)L = (3/7)420000 => as (3/7)(7/3) = 1

L = 180000

Check:

H + L = 420000

H + 180000 = 420000

H = 420000 - 180000

H = =240000

Is L = 3/4H ?

Does 180000 = 3/4 ( 240000) ?

Does 180000 = (3* 240000)/4 = 720000/4 = 180000 Yes! so the answers check!

Thank you,

MrB

3 0

4 years ago

You earn $35 for washing 7 cars. How much do you earn for washing 4 cars?

alexandr1967 [171]

43.75 , first divide 35 and 7 witch will give you 8.74 then multiply 8.75 by 4

4 0

4 years ago

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Please help me find the slope between the two points m=

abruzzese [7]

Answer: m= 5/2

explanation:
5- - 5 = 10
-4 - - 8 = 4
10/4= 5/2

8 0

3 years ago

It is 3 miles around Westwood Park exercise trail. After skating around the trail 5½ times, Mr. Zorn lost a wheel. How many mile

mart [117]

I hope this helps you

5 1/2=5.2+1/2=11/2

3.11/2

33/2

15 3/2

16,5

4 0

3 years ago

the pitch, or frequency, of a vibrating string varies directly with the square root of the tension. if a string vibrates at a fr

Naily [24]

$\bf \qquad \qquad \textit{direct proportional variation}\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
\begin{array}{llll}
\stackrel{frequency}{f}\textit{ of a vibrating string varies directly}\\
\qquad \qquad \textit{with the square root of the tension }\stackrel{tension}{t}
\end{array}$

$\bf f=k\sqrt{t}\quad \textit{we also know that }
\begin{cases}
f=300\\
t=8
\end{cases}\implies 300=k\sqrt{8}
\\\\\\
\cfrac{300}{\sqrt{8}}=k\implies \cfrac{300}{\sqrt{2^2\cdot 2}}=k\implies \cfrac{300}{2\sqrt{2}}=k\implies \cfrac{150}{\sqrt{2}}=k
\\\\\\
\textit{and we can \underline{rationalize} it to }\cfrac{150\sqrt{2}}{2}\implies 75\sqrt{2}=k$

$\bf thus\qquad f=\stackrel{k}{75\sqrt{2}}\sqrt{t}\implies \boxed{f=75\sqrt{2t}}\\\\
-------------------------------\\\\
\textit{now, when t = 72, what is \underline{f}?}\qquad f=75\sqrt{2(72)}$

5 0

4 years ago

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