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Alenkinab [10]
3 years ago
13

Which of the following describe 9.49?

Mathematics
1 answer:
mylen [45]3 years ago
8 0

Answer:take 9x49

Step-by-step explanation:

You’ll get the answer

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What property is -2x - 2 + 5x​
kompoz [17]

Answer:

3x-2

Step-by-step explanation:

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

8 0
3 years ago
Given that the measure of ∠x is 149°, and the measure of ∠y is 110°, find the measure of ∠z.
Rom4ik [11]

Answer:

∠z is 79°

Step-by-step explanation:

8 0
2 years ago
Identify the sequence graphed below and the average rate of change from n = 1 to n = 3.
dsp73

Answer:

The required sequence is a_n=20(\frac{1}{2})^{n-1}. The average rate of change from n = 1 to n = 3 is -7.5.

Step-by-step explanation:

From the given graph it is clear that the sequence is a GP because the all terms are half of their previous terms.

Here, a_2=10,a_3=5,a_4=2.5,a_5=1.25

r=\frac{a_3}{a_2}=\frac{5}{10}=\frac{1}{2}

The common ratio of GP is 1/2.

r=\frac{a_2}{a_1}

\frac{1}{2}=\frac{10}{a_1}

a_1=20

The first term of the sequence is 20.

The formula for sequence is

a_n=a(r)^{n-1}

Where a is first term and r is common difference.

The required sequence is

a_n=20(\frac{1}{2})^{n-1}

The formula for rate of change is

m=\frac{f(x_2)-f(x_1)}{x_2-x_1}

The average rate of change from n = 1 to n = 3 is

m=\frac{f(3)-f(1)}{3-1}

m=\frac{5-20}{3-1}

m=\frac{-15}{2}=-7.5

Therefore the required sequence is a_n=20(\frac{1}{2})^{n-1}. The average rate of change from n = 1 to n = 3 is -7.5.

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3 years ago
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These angels are equal. What are they called?
Yanka [14]
Acute angles because they are less then 90 degrees which is a right angle.

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Please can you help me with questions 1-6
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1.) -4x-32  2.) -6x-3  3.) -3n-28  4.) -2x-7  5.) ???  6.) 4b-2    (I couldn't figure out #5 sorry)
7 0
3 years ago
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