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natulia [17]
3 years ago
10

Look at the triangle below which of the following represents two of the angle measures of the triangle

Mathematics
1 answer:
Gelneren [198K]3 years ago
6 0

Answer:

C. 60° and 80°

Step-by-step explanation:

Sum of triangle = 180°

Therefore,

8x + 4 + 6x - 2 + 10x + 10 = 180

Add like terms

8x + 6x + 10x + 4 - 2 + 10 = 180

24x + 12 = 180

24x = 180 - 12

24x = 168

x = 168/24

x = 7

Find each measure of the angles by substitute x = 7 into each expression

8x + 4 = 8(7) + 4 = 60°

6x - 2 = 6(7) - 2 = 40°

10x + 10 = 10(7) + 10 = 80°

The answer is 60° and 80°

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PLEASE HELP! A class has an average score of 75%. A test is taken with an average score of 60%. The test is graded on a curve so
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Step-by-step explanation:

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A person wishes to mix coffee worth ​$9 per lb with coffee worth ​$3 per lbto get 240 lbsof a mixture worth $5 per lbHow many po
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A team of biologists captured and tagged 65 deer in a forest. Two weeks later, the
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Answer:

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Step-by-step explanation:

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3 years ago
What is the a-value of the function, then determine if the graph opening up or down f(x)=−5(x+7)2+6?
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We know that
the equation of the vertical parabola in the vertex form is
<span>y=a(x-h)²+k
</span>where 
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if a> 0 then
 the parabola opens upwards

if a< 0
then the parabola open downwards

in this problem  we have
f(x)=−5(x+7)²<span>+6
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so
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the vertex is the point (-7,6) is a maximum

the answer is the option
<span>a = -5, opens down</span> 

see the attached figure

6 0
3 years ago
Read 2 more answers
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