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bazaltina [42]
4 years ago
12

State whether each statement is true or false,the sum of two positive integers is positive?

Mathematics
1 answer:
Dominik [7]4 years ago
5 0
True. if you add two positive numbers, the sum will always be positive..
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Question 6 of 10<br><br> f(x) = 5x + 1) – 3<br> g(x) = 4<br> Find (f - g)(x).
alexdok [17]

Answer:

Answer:

5x + 6

Step-by-step explanation:

(f-g)(x) is nothing but f(x) - g(x)

f(x) is |5x + 1| - 3 and g(x) is 4 so the equation is [|5x+1| - 3] - [4]

Once this is solved, the answer is 5x - 6. Since there's absolute value, remove the negative and change it to a positive to get the answer 5x + 6.

4 0
2 years ago
Which method is valid for proving that two circles are similar?
Sav [38]
A. The circumference of a circle is the diameter times 3.14 aka pie and for instance, if you have two circles, circle A has a radius of 2 and diameter of 4 and circle B has a radius of 4 and diameter of 8, then if you compare the radius to the diameter (2/4 and 4/8) you get 1/2 for both and you know the circles are similar

3 0
3 years ago
Suppose that 950 couples each have a baby find the mean and standard deviation for the number of boys in the 950 babies
nydimaria [60]

The mean and standard deviation for the number of boys in the 950 babies are 475 and 15.41, respectively

<h3>How to determine the mean and the standard deviation?</h3>

From the complete question, we have:

P(boy)= 0.5

Sample size = 950

The mean is then calculated as:

\bar x = np

This gives

\bar x = 950 * 0.5

Evaluate

\bar x = 475

The standard deviation is calculated as:

\sigma = \sqrt{np(1 - p)

This gives

\sigma = \sqrt{950 * 0.5(1 - 0.5)

Evaluate

\sigma = 15.41

Hence, the mean and standard deviation for the number of boys in the 950 babies are 475 and 15.41, respectively

Read more about mean and standard deviation at:

brainly.com/question/4079902

#SPJ1

4 0
2 years ago
Question 5(Multiple Choice Worth 1 points)
Snezhnost [94]

Given:

The graph passes through the points (0,-20) and (4,10).

To find:

The equation of line that most closely represents the line depicted in the graph.

Solution:

If a line passing through two points, then the equation of line is

y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)

The given line passes through the points (0,-20) and (4,10). So, the equation of line is

y-(-20)=\dfrac{10-(-20)}{4-0}(x-0)

y+20=\dfrac{10+20}{4}(x)

y+20=\dfrac{30}{4}x

y+20=\dfrac{15}{2}x

Subtracting 20 from both sides, we get

y=\dfrac{15}{2}x-20

The function form is

f(x)=\dfrac{15}{2}x-20

f of x equals fifteen halves times x minus 20.

Therefore, the correct option is B.

7 0
3 years ago
Coin is tossed and a number cube is rolled. What is the probability that the coin shows heads and the number cube shows 5?
Elanso [62]
Hello,

1/2 * 1/6=1/12
===============
8 0
4 years ago
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