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morpeh [17]
3 years ago
11

How do you find a missing angle or side length

Mathematics
2 answers:
notka56 [123]3 years ago
6 0

Since you said angle, I assume you mean a triangle, so:

Take the number of the angles you have and add them, then, subtract it by 180. It gives you the missing angle of your triangle!

Illusion [34]3 years ago
5 0
Add the two known angles
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A product is now £50, the product was reduced by 20%, what was the original price
olga nikolaevna [1]

the original price is "x", or 100%.

but we know that if we reduce "x" by 20%, namely 100% - 20% = 80%, the 80% of "x" is really £50, what is "x" or the 100% anyway?

\bf \begin{array}{ccll} amount&\%\\ \cline{1-2} x&100\\ 50&80 \end{array}\implies \cfrac{x}{50}=\cfrac{100}{80}\implies \cfrac{x}{50}=\cfrac{5}{4}\implies 4x=250 \\\\\\ x=\cfrac{250}{4}\implies x=62.5

3 0
3 years ago
Evaluate the determinant for the following matrix [3 -5 / 1 1]
Natalka [10]

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<h2>A. -2</h2>

Step-by-step explanation:

\det\left[\begin{array}{ccc}a&b\\c&d\end{array}\right] =ad-bc\\\\\det\left[\begin{array}{ccc}3&-5\\1&1\end{array}\right] =(3)(1)+(-5)(1)=3-5=-2

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3 years ago
Find the slope of the graph ​
nevsk [136]

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2

Step-by-step explanation:

consider the two points. Gradient=change in y/change in x. So 4/2=2

5 0
3 years ago
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SVETLANKA909090 [29]
ST = 1/2 (RV) = VQ = 6

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8 0
3 years ago
56 ounces = _______ cups<br> 8 cups<br> 448 cups<br> 10 cups<br> 7 cups
GarryVolchara [31]

Answer:

<em>56 ounces </em>= <em>7 cups.</em>

Step-by-step explanation:

5 0
2 years ago
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