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daser333 [38]
4 years ago
15

Simplify.

Mathematics
1 answer:
viva [34]4 years ago
7 0

Answer:

C.  (16y + 7z)

Step-by-step explanation:

9y + 11z + 7y - 4z

1. Simplify the y's: 9y + 7y = 16y

16y + 11z - 4z

2. Simplify the x's: 11z - 4z = 7z

16y + 7z

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PLEASE HELP ASAP THANKSSSS
goblinko [34]

Answer:

The correct answer is C

Step-by-step explanation:

As you can see Town A is on top of Town B this means that Town B has symetric points to town A. This also shows how Town A is Positively skewed.

8 0
3 years ago
Please help me if u don’t I will get a bad grade‼️
m_a_m_a [10]

Given:

The equation is

\dfrac{1}{3}x=\dfrac{1}{5}

To find:

The coefficient and reciprocal.

Solution:

We have,

\dfrac{1}{3}x=\dfrac{1}{5}

Here, \dfrac{1}{3} is multiplied with x.

So, the coefficient of x is \dfrac{1}{3}.

To find the reciprocal, we need to interchange numerator and denominator of a fraction.

So, the reciprocal of \dfrac{1}{3} is \dfrac{3}{1}=3

Therefore, the reciprocal is 3.

4 0
3 years ago
A population of voters contains 40% republicans and 60% democrats. it is reported that30% of the republicans and 70% of the demo
Blizzard [7]

To get the probability of selecting a person who is a democrat and is favour to the issue, let us first calculate for the portions in each party who is favour on the issue.

 

p (rep & favour) = 0.4 * 0.3 = 0.12

 

p (dem & favour) = 0.6 * 0.7 = 0.42

 

Therefore the total portions who are favour is:

p (favour) = 0.12 + 0.42 = 0.54

 

Hence the probability is:

P (dem & favour) = 0.42 / 0.54 = 0.7778 = 0.78

 

Therefore there is about 78% probability that the person selected who is favour to the issue is a democrat.

5 0
3 years ago
The population of a certain species of insect is given by a differentiable function P , where P(t) is the number of insects in t
Dmitriy789 [7]

Answer:

Option C, dP/dt=1/5P

Step-by-step explanation:

The change is population of insects is directly proportional to the rate of change of population

Hence,

\frac{dP}{dt} \alpha P

Or \frac{dP}{dt} = kP

where K is the proportional constant

We will find the value of k

Keeping the given values of rate of change of population and population in above equation, we get -

\frac{2}{10} = k\\k = \frac{1}{5}

Hence,

\frac{dP}{dt} = \frac{1}{5} P

3 0
3 years ago
Math problem for a test
Luba_88 [7]

Answer: Answer is b

Step-by-step explanation: The -2 represents the 0's

3 0
3 years ago
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