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12345 [234]
2 years ago
11

-5b-17=18 plz help asap what is the answer and what does b stand for??!?

Mathematics
1 answer:
goblinko [34]2 years ago
8 0

Answer:

b = -7

Step-by-step explanation:

b is a variable meaning it is an unknown value

In order to solve for b, isolate it by adding 17 to both sides:

-5b = 35

and then dividing both sides by -5

b = -7

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The stem plot shows the number of swimming laps completed by swim team members at a single practice.
Juliette [100K]

The question is incomplete. Here is the complete question.

The stem plot shows the number of swimming laps completed by the swim team members at a single practice.

5       7 9

6       1 2 3 4

7       6 6

8

9

10

11

12      5

What is a correct statement about distribution?

There no outliers

The distribution is symmetric

The center is around 80

The distribution is unimodal

The spread is from 57 to 89.

Answer: The distribution is unimodal.

Step-by-step explanation: <u>Stem</u> <u>Plot</u> is an unique way of writing numbers in a table. Each value is split into a "stem" (first digit or digits) and a "leaf" (usually the last digit).

For the swim team practice, we have:

57, 59, 61, 62, 63, 64, 76, 76, 125

Note that, although there the digits 8, 9, 10, and 11, there no "leaves" for them, so, the values are not part of the distribution.

<u>Outlier</u> is a value that lies outside most of other values. In the distribution there is the value 125 which is very much more than other values, i.e., it is an outlier, so, alternative "There no outliers" is false;

Ploting the values on a frequency graph, it shows a curve skewed to the right, i.e., deslocated to the right, then, it is not symmetric. Second alternative is false.

The center of the distribution is the middle value, which is 63, then, third statement is false.

The spread of this distribution is from 57 to 125, so fifth statement is incorrect.

An <u>unimodal</u> <u>distribution</u> is a distribution which has only one clear peak or most frequent value. At the swim team distribution, the value that appears more than once is 76, so the peak is at that value. The other values appears just once, so distribution has only one peak. Fourth statement is correct.

8 0
3 years ago
Sally has a discount card that reduces the price of her grocery bill in a certain grocery store by 5%. if c represents the cost
MissTica
Y = sallys grocerys
x = how much sally paid

y - (.05) = x
3 0
3 years ago
If x= 6 is the only x-intercept of the graph of a quadratic equation, which statement best describes the discriminant of the
denpristay [2]

Answer:

discriminant is zero (0)

Step-by-step explanation:

Actually, you have a double root here:  {6, 6}:  "two real, equal roots."  That tells us immediately that the value of the discriminant was zero (0).

3 0
3 years ago
Read 2 more answers
Solve the following pair of equations by elimination method: x+y=4, 2x+y=3​
allsm [11]

Answer:

x = 1

y = 5

Step-by-step explanation:

x + y = 4 __ (1)

2x + y = 3 __ (2)

equation (1) x 2, (2) x 1

2x + 2y = 8

2x + y = 3

0  + y = 5

y= 5 (ANS)

x + y = 4

x + 5 = 4

x = 5 - 4

x = 1 (ANS)

I HOPE MY ANSWER IS CORRECT IF NOT I APOLOGIZE.

5 0
1 year ago
How do I solve this problem? I need to find the volume of this composite figure.
andrey2020 [161]

Step-by-step explanation:

V = (12*4*5) + (2*3*5) + (5*3*5) + (12*4*5)

V = 240 + 30 + 75 + 240

V = 585 cm^3

8 0
3 years ago
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