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3 years ago

There are nine tennis balls and three cans what is the rate of number of tennis balls to number of cans

Mathematics

2 answers:

Gennadij [26K]3 years ago

7 0

Answer:

That's a simple question.

Well, we know that the number of tennis ball are 9 which are to be put in 3 cans

So the the rate of number of tennis balls to number of cans will be= number of balls/number of cans= 9/3

In order to find out the number of balls per can just simplify them= number of balls/number of cans =9/3 = 3 balls per can

So there will also be 3 tennis balls in one can

Read more on Brainly.in - https://brainly.in/question/1632700#readmore

Step-by-step explanation:

n200080 [17]3 years ago

5 0

Answer: 0.33 repeating

Step-by-step explanation:

3 divided by 9...

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A test preparation claims that more than 50% of the students who take their test prep course improve their scores by at least 1

satela [25.4K]

Answer:

Step-by-step explanation:

Corresponding scores before and after taking the course form matched pairs.

The data for the test are the differences between the scores before and after taking the course.

μd = scores before taking the course minus scores before taking the course.

a) For the null hypothesis

H0: μd ≥ 0

For the alternative hypothesis

H1: μd < 0

b) We would assume a significance level of 0.05. The P-value from the test is 0.65. The p value is high. It increases the possibility of accepting the null hypothesis.

Since alpha, 0.05 < than the p value, 0.65, then we would fail to reject the null hypothesis. Therefore, it does not provide enough evidence that scores after the course are greater than the scores before the course.

c) The mean difference for the sample scores is greater than or equal to zero

3 0

3 years ago

Write 23/6 as a mixed number then make up any mixed mixed number and show how you can write it as a fraction greater than one

aliina [53]

23/6 as a mixed number equals 3 5/6

24/4 → 4 goes into 24 6 times so the answer is 6

4 0

3 years ago

Which of the following expressions represents the statement below?

exis [7]

Option D. 2(n + 9) is the right answer

Step-by-step explanation:

The word problems are converted into mathematical problems to solve simply.

for the given problem

"two times the sum of a number and 9"

Let n be a number then

when there is and between two things they are performed first then next operation is performed so

the sum of a number and 9

$n+9$

Then

two times the sum of a number and 9

$2(n+9)$

Hence,

Option D. 2(n + 9) is the right answer

Keywords: Mathematical notation

Learn more about mathematical notation at:

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5 0

4 years ago

Find the zeros (roots) of the following equations. f(x) = 2x5 - 9x4 + 12x3 - 12x2 + 10x - 3 = 0

Talja [164]

Hi,
$f(1)=2*1^5-9*1^4+12*1^3-12*1^2+10*1-3\\
=2-9+12-12+10-3\\
=0\\

f(x)=(x-1)(2x^4-7x^3+5x^2-7x+3)\\


g(x)=2x^4-7x^3+5x^2-7x+3\\

g(3)=2*3^4-7*3^3+5*3^2-7*3+3\\
=162-189+45-21+3\\
=0\\

g(x)=(x-3)(2x^3-x^2+2x-1)\\

h(x)=2x^3-x^2+2x-1\\

h( \dfrac{1}{2} )=2* \dfrac{1}{8} - \dfrac{1} {4}+1-1\\
=0\\

h(x)=(2x-1)(x^2+1)\\


f(x)=(x-1)(x-3)(2x-1)(x+i)(x-i)\\


$
Roots are 1,3,0.5,i,-i.

8 0

3 years ago

What the heck is this?

max2010maxim [7]

Answer:

(2,-1)

Step-by-step explanation:

(-2+6)/2 (2+4)/2

7 0

3 years ago