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2 years ago

What value, written as a decimal, should lena use as the common ratio? 1.0 1.5 2.5 2.0

Mathematics

1 answer:

mariarad [96]2 years ago

6 0

The Lena has no common ratio for the sequence 1.0 1.5 2.5 2.0

According to the question,

1.0 1.5 2.5 2.0

a = 1.0

r = 1.5/1 = 1.5

r = 2.5/1.5 = 1.6667

r = 2/2.5 = 0.8

common ratio is different, so given sequence is not geometric sequence.

Hence, the Lena has no common ratio for the sequence 1.0 1.5 2.5 2.0.

Learn more about common ratio here

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Name the following segment or point

babunello [35]

Answer:

The answer would be the third option, segment AS

5 0

2 years ago

The midpoint of segment AB is (4, 2). The coordinates of point A are (2, 7). Find the coordinates of point B.

erastovalidia [21]

Answer:

<h3>The option B) is correct</h3><h3>Therefore the coordinate of B $(x_2,y_2)$ is (6,-3)</h3>

Step-by-step explanation:

Given that the midpoint of segment AB is (4, 2). The coordinates of point A is (2, 7).

<h3>To Find the coordinates of point B:</h3>

Let the coordinate of A be $(x_1,y_1)$ is (2,7) respectively
Let the coordinate of B be $(x_2,y_2)$
And Let M(x,y) be the mid point of line segment AB is (4,2) respectively
The mid-point formula is

Now substitute the coordinates int he above formula we get
$(4,2)=(\frac{2+x_2}{2},\frac{7+y_2}{2})$
Now equating we get

$4=\frac{2+x_2}{2}$ $2=\frac{7+y_2}{2}$

Multiply by 2 we get Multiply by 2 we get

$4(2)=2+x_2$ $2(2)=7+y_2$

$8=2+x_2$ $4=7+y_2$

Subtracting 2 on both

the sides Subtracting 7 on both the sides

$8-2=2+x_2-2$ $4-7=7+y_2-7$

$6=x_2$ $-3=y_2$

Rewritting the above equation Rewritting the equation

$x_2=6$ $y_2=-3$

<h3>Therefore the coordinate of B $(x_2,y_2)$ is (6,-3)</h3><h3>Therefore the option B) is correct.</h3>

7 0

3 years ago

One month before the election, a poll of 630 randomly selected voters showed 54% planning to vote for a certain candidate. a wee

VikaD [51]

54% of 630 = 0.54 * 630 or approximately <u>340</u> of the 630 were planning to vote for the candidate.

51% of 1010 = 0.51 * 1010 or approximately <u>515</u> of the 1010 were planning to vote for the candidate.

This means that the voter support for this candidate increased.

7 0

3 years ago

Suppose a Hispanic Heritage festival is held in an area measuring 2,494 square yards. If the length of the festival is 58 yards,

Kaylis [27]

Answer: 43 yards.

Step-by-step explanation:

Let the shape of the area occupied for festival be rectangle.

and area of rectangle = length x width

Given: Area of the festival= 2,494 square yards.

Length of the festival= 58 yards

Then width = (Area )÷ (length)

= (2494)÷58 yards

= 43 yards

hence, the width of the festival = 43 yards.

4 0

3 years ago

If the degree measure of an angle is 40° less than 3 times the degree measure of its supplementary angle, what is the degree mea

pishuonlain [190]

Let the measure of the unknown angle is x °
Supplementary angles sum up to 180°. So the supplementary angle of x° will be (180 - x)°

According to the given data, measure of x is 40° less than 3 times the measure of its supplementary angle (180 - x). So we can set up the equation for this scenario as:

$x = 3(180 - x ) - 40 \\ \\ 
x = 540 - 3x - 40 \\ \\ 
x + 3x = 500 \\ \\ 
4x = 500 \\ \\ 
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So the degree measure of the required angle is 125°.

6 0

3 years ago

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