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Tpy6a [65]
2 years ago
13

Simplify each expression by combining like terms. 3n - 1 + 8n +5

Mathematics
1 answer:
Kay [80]2 years ago
3 0

Answer:

3n-1+8n+5

3n+8n-1+5

11n+4

Let me know if this helps!

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Mark's age, x, is 6 times his age 2 years ago.
Inessa [10]
A. x=6x+2
yup if that's wrong go to scoratic and take a picture of the question then it tells you what it actually is
5 0
3 years ago
Read 2 more answers
Guys please help..
mylen [45]

Answer:

1. I=P*i*t

1365=6500*7%*t

1365=455*t

t=3

2.-Students 40

   Like mathematics

= 40*80

=32

Don´t like it is

=40-32

=8

Step-by-step explanation:

1. I=P*i*t

1365=6500*7%*t

1365=455*t

t=3

2.-Students 40

   Like mathematics

= 40*80

=32

Don´t like it is

=40-32

=8

7 0
3 years ago
3=n/19 help solve it
netineya [11]

Answer:

57

Step-by-step explanation:

Step 1:

3 = n ÷ 19

Step 2:

3 × 19 = n

Answer:

57 = n

Hope This Helps :)

8 0
3 years ago
The data represents the body mass index? (bmi) values for 20 females. construct a frequency distribution beginning with a lower
Reil [10]
Given the data below <span>representing the body mass index (bmi) values for 20 females.
17.7     33.5     26.9     22.7     22.2     29.9     23.6     18.3     27.7     23.4     19.2     25.9     22.9     37.7     31.6     28.1     44.9     31.6     25.2     23.9

From the data above, we construct a frequency distribution beginning with a lower class limit of 15.0 and use a class width of 6.0 as follows:

Class iinterval: 15.0 - 21.0   21.0 - 27.0   27.0 - 33.0   33.0 - 39.0   39.0 - 45.0
Frequency:              3                  9                  5                   2                  1

From the frequency table, it can be seen that the frequencies started low, increased to a point and then decrease. It can also be seen that the highest frequency of the data is not at the center of the distribution, so the distribution is not symetric.

Therefore, the frequency distribution does not appear to be roughly a normal distribution, because, "although the frequency start low, increase to some maximum, then decrease, the distribution is not symmetric."</span>
5 0
3 years ago
Need to find the equation for the line with the given properties. Express your answer using either the general form or the slope
Phoenix [80]

To answer this question we will use the following slope-point formula for the equation of a line:

y-y_1=m(x-x_1)\text{.}

Therefore, the equation of the line that has a slope of 1/3 and passes through the point (-3,3) is:

y-3=\frac{1}{3}(x-(-3))\text{.}

Simplifying the above equation we get:

\begin{gathered} y-3=\frac{1}{3}(x+3), \\ y-3=\frac{1}{3}x+1. \end{gathered}

Adding 3 to the above equation we get:

\begin{gathered} y-3+3=\frac{1}{3}x+1+3, \\ y=\frac{1}{3}x+4. \end{gathered}

Answer:

y=\frac{1}{3}x+4.

4 0
1 year ago
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