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3 years ago

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Y = x – 6

2 answers:

Slav-nsk [51]3 years ago

3 0

Y = x – 6
x = –4
plug in x
y=-4-6
y=-4+-6
y=-10
(-4,-10)
this should be the solution

Rudiy273 years ago

3 0

The answer is (-4, -8).....

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Eric runs 6 miles in 44 min at the same rate how many minutes would he take to run 9 miles?

faltersainse [42]

66 minutes or 1 hour and 6 minutes

First divide 6 into 44 then multiply that number by 9 (:

5 0

4 years ago

8, 3, -2; -7,<br> Write the recursive rule for the sequence

Dmitry [639]

8-5=3
3-5=-2
-2-5=-7
So the rule is -5 or subtract 5

7 0

4 years ago

Red and grey bricks were used to build a decorative wall. The number of red bricks/number of grey bricks was 5/2. There were 140

Airida [17]

To find the number of red bricks used, you can create a part to part to whole ratio from the simple ratio of red to grey brick they give.

Then, use the total to create an equivalent ratio with the actual total number of bricks (140).

<u>5 red </u> <u>100 red</u>
<u>2 grey</u> = <u>40 grey</u>
7 total 140 total
<u>
</u>Each time, the simple ratio was multiplied by 20 to get the actual totals for each color.
<u>
</u>There were 100 red bricks used.<u>

</u>

6 0

3 years ago

The equation of a circle is given below.

alisha [4.7K]

Coordinates of center and radius of circle is $(h,k)=(13.40,-2.60)\\r=10$ .

<u>Step-by-step explanation:</u>

Here we have , The equation of a circle is given below.

(2 – 13.4)2 + (y + 2.6)2 = 100 or , $(x -13.4)^2 + (y + 2.6)^2 = 100$

We know that , Equation of circle is given by :

⇒ $(x-h)^+(y-k)^2 =r^2$ ...........(1)

where (h,k) are the coordinates of center of circle and r is the radius of circle . Let's simplify given equation of circle in question ;

⇒ $(x -13.4)^2 + (y + 2.6)^2 = 100$

⇒ $(x -(13.4))^2 + (y - (-2.6))^2 = 100$

⇒ $(x -(13.4))^2 + (y - (-2.6))^2 = 10^2$

Comparing this equation to (1) we get :

$(h,k)=(13.40,-2.60)\\r=10$

Therefore , Coordinates of center and radius of circle is $(h,k)=(13.40,-2.60)\\r=10$ .

4 0

3 years ago

Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 51.1 d

Inga [223]

Answer:

$Mean = 53.25$

Step-by-step explanation:

Given

Low Temperature : 40−44 || 45−49 || 50−54 || 55−59 || 60−64

Frequency: --------------- 3 -----------6----------- 1-----------3--- -----7

Required

Determine the mean

The first step is to determine the midpoints of the given temperatures

40 - 44:

$Midpoint = \frac{40+44}{2}$

$Midpoint = \frac{84}{2}$

$Midpoint = 42$

45 - 49

$Midpoint = \frac{45+49}{2}$

$Midpoint = \frac{94}{2}$

$Midpoint = 47$

50 - 54:

$Midpoint = \frac{50+54}{2}$

$Midpoint = \frac{104}{2}$

$Midpoint = 52$

55- 59

$Midpoint = \frac{55+59}{2}$

$Midpoint = \frac{114}{2}$

$Midpoint = 57$

60 - 64:

$Midpoint = \frac{60+64}{2}$

$Midpoint = \frac{124}{2}$

$Midpoint = 62$

So, the new frequency table is as thus:

Low Temperature : 42 || 47 || 52 || 57 || 62

Frequency: ----------- 3 --||- -6-||- 1-||- --3- ||--7

Next, is to calculate mean by

$Mean = \frac{\sum fx}{\sum x}$

$Mean = \frac{42 * 3 + 47 * 6 + 52 * 1 + 57 * 3 + 62 * 7}{3+6+1+3+7}$

$Mean = \frac{1065}{20}$

$Mean = 53.25$

<em>The computed mean is greater than the actual mean </em>

6 0

3 years ago