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zvonat [6]
3 years ago
8

Write an explicit formula for an, the nth term of the sequence 40, 35, 30, ....

Mathematics
2 answers:
yKpoI14uk [10]3 years ago
8 0

Answer:

Tn= 5(n)+ oth term

Step-by-step explanation:

Its the formula

Vladimir79 [104]3 years ago
5 0

Answer: an=40-5(n-1)

Step-by-step explanation:

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A survey of one class at Pioneer Middle School found that 20 out of 30 students would spend $12 for a school t-shirt Suppose the
Virty [35]
\frac{20}{30} = \frac{x}{600}
600/30=20.
20*20=400.
Your answer is 400.
4 0
4 years ago
Read 2 more answers
What is the measure of each angle?
Elza [17]

Answer:

The measure of the angles are 46, 89, and 41 degrees.

Step-by-step explanation:

In order to find this, we need to add all 3 angles together and set equal to 180. Then we can find x.

x + 2x - 3 + x - 5 = 180

4x - 8 = 180

4x = 188

x = 46

Now we can find the value of each angle using the value of x.

Angle 1:

x = 46

Angle 2:

2x - 3

2(46) - 3

92 - 3

89

Angle 3:

x - 5

46 - 5

41

3 0
3 years ago
What is the vertex of the parabola with the equation y=1/5x^2 + 2x - 8
bixtya [17]

Answer:

(-5,-13)

Step-by-step explanation:

Find the vertex of the parabola y=1/5x^2+2x−8.  

In this equation a=15  and b = 2.  

x= -2/2(1/5) = -2/2/5 = -2/1 * 5/2 = -5

Substitute −5 into the equation y=1/5x^2+2x−8

y=1/5(−5)^2+2(−5)−8

y=5−10−8

y=−13

The vertex is (−5 , −13)

8 0
3 years ago
Show that p(x)=2x3−5x2−10x+5 has a real root.
FromTheMoon [43]
Let's pick an arbitrary value of 5.

P(5) = 2(5)^{3} - 5(5)^{2} - 10(5) + 5
= 2(125) - 125 - 50 + 5
= 250 - 125 - 50 + 5
= 80 > 0

Let's pick another arbitrary value: 1

P(1) = 2 - 5 - 10 + 5
= -8 < 0

Between these two values, the polynomial is continuous. This means for the two polynomial points to be satisfied, there must be at least one root between these two points.

We can either use the Intermediate Value Theorem or Newton's method to make a better approximation from there.
6 0
3 years ago
X2+3y=4 solve for x. (someone help asap)
vredina [299]

Answer:

Slope= 2.0003.000=1.500

x−intercept=−312​=−4

y−intercept= 12/2=6

Hoped I helped

6 0
3 years ago
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