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4 years ago

12

x y 0 -7 1 -4 2 -1 3 2 4 5 Which equation corresponds to the function described in the table? A) y = x - 7 Eliminate B) y = x -

3 C) y = x - 1 D) y = 3x - 7

1 answer:

NemiM [27]4 years ago

8 0

y=3×-7 eliminate y=0 =describe

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A cheetah can go from a state of testing to running at 20 m/s in just 2 seconds. What is the cheetahs average acceleration?

Vlad1618 [11]

20/2=10 because the formula for acceleration is velocity or speed (20) divided by time (2)

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3 years ago

Zari folds the net shown into a model of a solid figure. How many edges, faces, and vertices does the model have?

Volgvan

Answer:

-5 Faces

-10 Edges

-6 Vertices

Step-by-step explanation:

Folded out there are 3 rectangles and 2 triangles, 5 faces

Count the straight lines, no dotted, it's 10 edges

Count the corners only and the top of the triangles 6 vertices

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3 years ago

The distance between the cities Atlanta and Indianapolis is 540 miles. A motorcycle's speed is 48 mph. For a car it takes 2.25 h

Alika [10]

Answer:

If they start moving towards each other simultaneously it will take 5 hours to meet.

Step-by-step explanation:

Motorcycle:

Distance = 540 miles

Speed = 48 mph

Time taken = Distance/Speed = 11.25 hours.

Car:

Distance = 540 miles

Time taken = 11.25 -2.25 = 9 hours.

Speed = Distance/Time = 540/9 = 60 mph

If they start moving towards each other simultaneously, they will travel a combined distance of 540 miles and Let the time be t hours.

We have

48 t + 60 t = 540

108 t = 540

t = 540/108 = 5 hours.

If they start moving towards each other simultaneously it will take 5 hours to meet.

8 0

4 years ago

Write a function of the geometric sequence with a starting term of 8 and a common ratio of 2. Find the fourth term.

Andreas93 [3]

The expression that represents well the <em>geometric</em> sequence is $f(n) = 8 \cdot 2^{n-1}$ and the value of the <em>fourth</em> term is 64. (Correct choice: B)

<h3>How to analyze geometric sequences</h3>

<em>Geometric</em> sequences are <em>exponential</em> expressions with discrete domain, whose form is presented and explained below:

$f(n) = a \cdot r^{n-1}$ , where a, r are <em>real</em> numbers and n is a <em>natural</em> number. (1)

Where:

Value of the starting term.
Common ratio of the series.

According to the statement, we know that the first term of the <em>geometric</em> sequence is 8 and between any two <em>consecutive</em> terms there is a <em>common</em> ratio of 2. If we know that a = 8, r = 2 and n = 4, then the fourth term of the series by means of (1) is:

$f(4) = 8 \cdot 2^{4-1}$

f(4) = 8 · 8

f(4) = 64

The expression that represents the <em>geometric</em> sequence is $f(n) = 8 \cdot 2^{n-1}$ and the value of the <em>fourth</em> term is 64.

To learn more on geometric sequences: brainly.com/question/11266123

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2 years ago

* George scored on average of 80% of three tests.

Zigmanuir [339]

Answer: 100%

Step-by-step explanation:

100 + 80 + 80+ 80 = 340 (total scores of 4 tests)

340 divided by the number of tests 4 = 85

George would need to score 100% on his next test to bring his test average from 80 to 85.

6 0

3 years ago