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3 years ago

12

Classify the following triangle

2 answers:

frosja888 [35]3 years ago

3 0

Answer:

Scalene and obtuse

Step-by-step explanation:

The triangle is scalene because all the sides are not equal, and it is obtuse because the central angle is greater than 90 degrees.

Nata [24]3 years ago

3 0

Answer:

The triangle is scalene and obtuse.

Step-by-step explanation:

The triangle is -

A. Scalene - A scalene triangle is that triangle which has all the three sides unequal. We can see the sides are 11.9 .7 and 6 units. Thus making it scalene.

B. Obtuse - An obtuse triangle is a triangle in which one of the angles is an obtuse angle. Here the angle is given as 132 degrees is greater than 90 degrees or obtuse. So, this is also an obtuse triangle.

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A 46 gram sample of a substance that is used to sterilize surgical instruments has a k-value of 0.1374. Find the substance's hal

mars1129 [50]

Answer:

$t=5.0days$

Step-by-step explanation:

Using the formula for the exponential decay that is $N=N_{0}e^{-kt}$ , we have N= $\frac{1}{2}{\times}46=23$ , $N_{0}=46$ and k=0.1374.

Thus, $N=N_{0}e^{-kt}$ becomes

$23=46{\times}e^{-0.1374t}$

$\frac{23}{46}=e^{-0.1374t}$

$\frac{1}{2}=e^{-0.1374t}$

Taking log on both sides, we get

$ln(\frac{1}{2})={-0.1374t}$

$t=\frac{ln\frac{1}{2}}{-0.1}$

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4 0

3 years ago

Find the value of expression - 17x-19xpwer4 - 21x power 2,when x=3<br><br>

Marrrta [24]

Answer:

$-17x - 19x^4 - 21x^2 = -1779$ when $x = 3$

Step-by-step explanation:

Given

$-17x - 19x^4 - 21x^2$

$x = 3$

Required

Solve

Substitute 3 for x in $-17x - 19x^4 - 21x^2$

$-17x - 19x^4 - 21x^2 = -17*3 - 19*3^4 - 21*3^2$

Evaluate all exponents

$-17x - 19x^4 - 21x^2 = -17*3 - 19*81 - 21*9$

$-17x - 19x^4 - 21x^2 = -51 - 1539- 189$

$-17x - 19x^4 - 21x^2 = -1779$

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3 years ago

Which is an equivalent form of the equation 2x - y = 12?

aalyn [17]

2x-y=12
-y=12-2x
(-y=12-2x)devide -1
y = -12+2x
y=2x-12
ANSWER = C

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3 years ago

KatRina [158]

Corresponding angle

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3 years ago

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Studentka2010 [4]

Answer:

i think it would be 30

Step-by-step explanation:

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3 years ago