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vitfil [10]
3 years ago
8

Joshua used two wood beams, PC and QA, to support the roof of a model house.

Mathematics
2 answers:
Talja [164]3 years ago
4 0
Based on your question where as the ask of the problem is to get the distance between the end points of the beams P and Q base on the picture below and according to my calculation and step by step procedure i came up with an answer of D. 3.6 inches
Mazyrski [523]3 years ago
3 0

Answer:

\boxed{\boxed{PQ=3.6\ in}}

Step-by-step explanation:

As it is given as ΔQRP and ΔARC are similar, so the ratio of their corresponding sides will be same.

So,

\dfrac{RC}{PR}=\dfrac{AC}{PQ}

It is given as,

RC  = 3.3

PR = 1.8

AC = 6.6

PQ = ??

Putting the values,

\Rightarrow \dfrac{3.3}{1.8}=\dfrac{6.6}{PQ}

\Rightarrow PQ=\dfrac{6.6\times 1.8}{3.3}=3.6

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Y is directly proportional to x,and y=216 when x=2. Find y when x=7.
makkiz [27]
\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}\\\\
-------------------------------\\\\
\textit{we also know that }
\begin{cases}
y=216\\
x=2
\end{cases}\implies 216=k2\implies \cfrac{216}{2}=k
\\\\\\
108=k\qquad therefore\qquad \boxed{y=108x}
\\\\\\
\textit{when x = 7, what is \underline{y}?}\qquad y=108(7)
6 0
3 years ago
Help please!<br> I need ur help please!
Anna35 [415]

Answer:

plugging in the fractions into a calculator would make this super easy

Step-by-step explanation:

5/6 = six divided by five, right? okay so just that down and solve it

Fractions are just a number divided by another number to get a percentage

Think about 1/2, thats 50 percent right? Its half of something

So yeah, you just gotta divide both sides and see which number is bigger, for example

5/6= 0.833

and

3/8= 0.375

So which number is bigger? 0.83 is bigger of course sooooo

5/6 > 3/8

3 0
3 years ago
What value of x would make lines land m parallel? ​
solniwko [45]

Answer:

x = 75

Step-by-step explanation:

Given

See attachment

Required

The value of x that makes l and m parallel

Let the angles be ABC (See attachment 2)

\angle CAB is corresponding to 50 degrees. So:

\angle CAB=50

\angle ABC is corresponding to 55 degrees. So:

\angle ABC = 55

This means that:

\angle ABC + \angle CAB + x = 180

50 +55 + x = 180

Solve for x

x = 180 - 50 - 55

x = 75

4 0
2 years ago
Please?
just olya [345]

Answer:

the answer is 12

Step-by-step explanation:

idk

8 0
3 years ago
This morning the temperature was -5F. This afternoon the temperature rose 1F. What was the new temperature?
wariber [46]

Answer:

-4f

Step-by-step explanation:

if it only went up by one it should be -4f. I guess -5 +1= -4 can be used as an explanation

6 0
2 years ago
Read 2 more answers
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