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Shalnov [3]
3 years ago
15

A random sample of 100 people was taken. eighty of the people in the sample favored candidate

Mathematics
1 answer:
Rama09 [41]3 years ago
5 0
Wouldn’t it be 80%? 80 out of 100 people
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Sum of two digit number is9.When we interchange the digits it is found that the resulting new number becomes twice the other num
ruslelena [56]

Answer:

4 and 5

Step-by-step explanation:

Let the numbers be x and y

If their sum is 9, hence;

x + y = 9 ....1

When reversed

10y+x = 2(10x+y)

10y+x = 20x + 2y

10y - 2y = 20x - x

8y = 19x

y = 10x/8 ...2

Substitute equation 2 into 1;

From 1;

x+y = 9

x +(10x/8) = 9

18x/8 = 9

18x = 72

x = 72/18

x = 4

Since x+y =9

y = 9-x

y =9-4

y = 5

Hence the numbers are 4 and 5

8 0
3 years ago
Write this polynomial in standard form- (5a+2)(a+4)
ikadub [295]

Answer:

5a²+22a+8

Step-by-step explanation:

(5a+2)(a+4)

5a² + 20a + 2a + 8

5a² + 22a + 8

7 0
3 years ago
Read 2 more answers
Which of the following is an example of discrete data?
ahrayia [7]

Answer:

D- the number of times you get heads when you flip a coin 100 times

Step-by-step explanation:

7 0
2 years ago
I NEED HELP ASAP<br> Write the equation of the line in fully simplified slope-intercept form.
Agata [3.3K]

Answer: y = \frac{4}{5}x + 4, if this helped you please give Brainliest

Step-by-step explanation:

3 0
2 years ago
Find each absolute value. <br><br> |6-3|
Vitek1552 [10]
When you take the absolute value of this equation, the answer should actually be 3.

You should solve the what’s inside first. If the answer is negative, then the absolute value will make it positive.

For example

|1-5|=|-4|=4
6 0
3 years ago
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