Find the measures of a right triangle where one of the acute angles is 3.5 times the other

Mathematics

1 answer:

blondinia [14]2 years ago

5 0

Answer:

the other two angles are 70° and 20°

Step-by-step explanation:

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VladimirAG [237]

Answer:

B = 1/243

Step-by-step explanation:

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3 years ago

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if the product of two positive fractions a and b is 15/56 find three paris of possible values for a and b

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Is it possible to divide <br> 0 by 27<br> ?

Mumz [18]

Answer:

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A rectangular prism has a length of 3/8 a width of 5/8 and height of 7/8, what is the volume

Allisa [31]

L x w x h
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3 years ago

Show work and Factor 4x^2+xy-18y^2

grigory [225]

Answer:

$4x^2+xy-18y^2=(4x+9y)\,(x-2y)$

Step-by-step explanation:

Let's examine the following general product of two binomials with variables x and y in different terms:

$(ax+by)\,(cx+dy)= ac\,x^2+adxy+bcxy+bdy^2$

so we want the following to happen:

$a\,c = 4\\ad+bc=1\\bd--18$

Notice as well that $ad+bc =1$ means that those two products must differ in just one unit so, one of them has to be negative, or three of them negative. Given that the product $bd=-18$ , then we can consider the case in which one of this (b or d) is the negative factor. So let's then assume that $a\,\,and \,\,c$ are positive.