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Zanzabum
3 years ago
10

PLEASE HELP I WILL GIVE BRAINLIEST TO CORRECT ANSWER

Mathematics
1 answer:
AnnZ [28]3 years ago
7 0
Diagonals in a rhombus are perpendicular, then this parallelogram becomes a rhombus if the intersection of the diagonals are perpendicular:

∠ (BEA) = (3x-12)°; (3x-12)° = 90°
3x = 90 +12
3x = 102
and x = 34
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If the point (2, -10) lies on the graph of a direct variation, which represents the direct variation equation?
Zanzabum

\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} \\\\[-0.35em] ~\dotfill\\\\ (\stackrel{x}{2},\stackrel{y}{-10})~~ \textit{we know } \begin{cases} x=2\\ y=-10 \end{cases}\implies -10=k2\implies \cfrac{-10}{2}=k\implies -5=k \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill y=-5x~\hfill

8 0
3 years ago
How many months make up 1/4 of a year
Firdavs [7]
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6 0
3 years ago
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The original price of a computer is $489.00. it is discounted 30%. find the selling price ​
Yanka [14]

Answer:

$342.30

Step-by-step explanation:

The original price of the computer is $489. The computer is discounted 30%, which means that 30% of the price is removed from the original price.

30% of 489 is

489 * 0.3 which is $146.7

146.7 is the discounted amount, not the selling price. To find the selling price, subtract how much is discounted ( 146.7) from the original price (489).

489-146.7= 342.3

3 0
2 years ago
SOMEONE PLEASE HELP!!!!!!!!<br> (Also please don't reply if you don't know)
svet-max [94.6K]

Answer: a coefficet is a number that has letters by it but you only put the number so anyone that a letter and a number youll put that one in the list

Step-by-step explanation:

7 0
3 years ago
12in 5 in what is the hypotonuse
guapka [62]

Step-by-step explanation:

hypotenuse\\ =  \sqrt{ {12}^{2} +  {5}^{2}  }  \\  =  \sqrt{144 + 25}  \\  =  \sqrt{169}  \\  = 13  \: inches

3 0
3 years ago
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