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rjkz [21]
3 years ago
13

Which of the following is false? amount of exercise and percent of body fat is a negative correlation the graduation rate in a c

ity and the rate of unemployment in a city is a positive correlation the cost to mail an envelope and the weight of the envelope is a positive correlation a child’s age and a child’s shoe size is a positive correlation
Mathematics
2 answers:
Aleks04 [339]3 years ago
6 0
The second one i think it is


s2008m [1.1K]3 years ago
6 0
It is first one the <span>amount of exercise and percent of body fat is a negative correlation the graduation rate.</span>
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The seventh grade class is putting on a variety show to raise money. It cost $700 to rent the
Nataly_w [17]

Well, you would need to compensate for the cost of the banquet hall adding an addition $700 to the goal of $1000.

If you need to raise at least $1700 you can write this inequality.

Let x represent the number of tickets sold.

15x≥1700

x≥ 114 (rounded to the nearest whole number because you can't sell half a ticket)

So, at least 114 tickets need to be sold.

6 0
3 years ago
Alecia builds a box in the shape of a cube with an open top. She plans to paint the box. Alecia calculates that there are 256 sq
STALIN [3.7K]

Answer:

See Explanation

Step-by-step explanation:

The question is incomplete, as the options to select the required condition from were not listed. So, I will answer on general terms

From the question, we understand that the cube has an open-top and the surface ares is 256 in^2

Let L represents the edge length, the surface area (S) is:

S = 5L^2

Substitute 256 for S

256 = 5L^2

Divide both sides by 5

51.2 = L^2

Take square roots of both sides:

\sqrt{51.2} = L

7.155= L

L=7.16in ---- approximated

The volume of the cube is:

Volume = L^3

Volume = \sqrt{51.2}^3

Volume = 366.3573

Volume = 366.36in^3

<em>So, the edge length of the cube is 7.16 inches and the volume is 366.36 cubic inches</em>

<em />

6 0
3 years ago
Read 2 more answers
I need help with this <br>​
-BARSIC- [3]

Answer:

Step-by-step explanation:

3 + 6 * 4 - 80 / 10 + 4 - 18 = 3 + 24 - 8 + 4 - 18 = 27 - 8 + 4 - 18 = 19 + 4 -18 = 23 - 18 = 5

6 0
3 years ago
Read 2 more answers
I need help with #66 and #68
NeX [460]

Step-by-step explanation:

66. Δy = -3.4 Δx

Δy/Δx = -3.4

The slope of the line is -3.4. Slope-intercept equation of the line is:

y = -3.4x + b

Plug in the given point to find b:

2 = -3.4(4) + b

b = 15.6

Therefore, the equation is y = -3.4x + 15.6.

Use the equation to find the y coordinates.

\left[\begin{array}{cc}x&y\\-4&29.2\\4&2\\6&-4.8\\18&-45.6\end{array}\right]

68. Repeat the same steps as 66.

Δy = -1.7 Δx

Δy/Δx = -1.7

The slope of the line is -1.7. Slope-intercept equation of the line is:

y = -1.7x + b

Plug in the given point to find b:

3 = -1.7(-7) + b

b = -8.9

Therefore, the equation is y = -1.7x − 8.9.

Use the equation to find the x or y coordinates.

\left[\begin{array}{cc}x&y\\-19&23.4\\-7&3\\-2.412&-4.8\\3.2&-14.34\\9.1&-24.37\end{array}\right]

4 0
3 years ago
Find the value of the missing side-Use SOH CAH TOA
Vanyuwa [196]

Answer:

4.04 (idk how you want it rounded)

Step-by-step explanation:

1) Use TOA

the equation should look like: Tan30= x/7

2) multiply each side by 7 and you’re left with 7Tan30= x

3) in your calculator do 7x30Tan equals and you get your answer

5 0
3 years ago
Read 2 more answers
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