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solmaris [256]
3 years ago
7

A picture frame can hold a photograph that is 16 inches long and 12 inches wide. What is the area of the photo that fits the fra

me.

Mathematics
2 answers:
velikii [3]3 years ago
8 0
The answer is 192 square inches
aivan3 [116]3 years ago
4 0

Answer:

2 inches

Step-by-step explanation:

let x be the frames width.The width of the frames picture is 12+2x and the height 16=8x

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Solve 2cos^2x+3cosx-2=0
solmaris [256]
\bf 2cos^2(x)+3cos(x)-2=0\impliedby \textit{so, notice is just a quadratic}
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[2cos(x)~~-~~1][cos(x)~~+~~2]=0\\\\
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2cos(x)-1=0\implies 2cos(x)=1\implies cos(x)=\cfrac{1}{2}
\\\\\\
\measuredangle x=cos^{-1}\left( \frac{1}{2} \right)\implies \measuredangle x=
\begin{cases}
\frac{\pi }{3}\\\\
\frac{5\pi }{3}
\end{cases}\\\\
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cos(x)+2=0\implies cos(x)=-2

now, for the second case, recall that the cosine is always a value between -1 and 1, so a -2 is just a way to say, such angle doesn't exist.
8 0
3 years ago
Round 117.22666 to the nearest tenths
zzz [600]

Answer:

117.2

Step-by-step explanation:

Rounding a number to the nearest tenth:

A number rounded to the nearest tenth will have one decimal place.

To do this, we look at the second decimal digit.

If it is less than 5, the first decimal digit is kept.

Otherwise, one is added to the first decimal digit.

In this question:

117.22666

The second decimal digit is 2, which means that we keep the first decimal digit which is also 2.

So, the number rounded to the nearest tenth is 117.2.

6 0
3 years ago
Plz i need help soon
lana66690 [7]
The answer is C. It has the wrong graph labels.
7 0
4 years ago
Answer the following questions CORRECTLY I will know if this is wrong. I WILL REPORT ANY INCORRECT ANSWERS!
Sladkaya [172]

Order of Operation is the step by step procedure that you should follow when solving muti-step equations. Its usally abbreviated as:

P arathesis

Example: 2(5+4)

E xponents

Example: 4^8

M utiply

Example: 5x

D ivide

21/3

A dd

Example: 4+9

S ubtract

Example: 78-21

4 0
3 years ago
Read 2 more answers
I have 2 cupcakes but Jake has 7/4 as many as I do​
ozzi
Jake would have 3.5 (3 and a half cupcakes)

you would do your amount of cupcakes multipled by 7/4 which gets you 3.5!
3 0
3 years ago
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