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3 years ago

What is the ratio of the people who prefer vanilla to the people who prefer strawberry?

Mathematics

1 answer:

hjlf3 years ago

6 0

Answer:

4/5

Step-by-step explanation:

From the above question, we are given the number of people who like a particular flavor.

The number of people who like:

Vanilla = 36

Strawberry = 45

Therefore, the ratio of the people who prefer vanilla to the people who prefer strawberry is written as

Vanilla : Strawberry

= 36:45

= 4:5

= 4/5

Therefore, option B = 4/5 is the correct option

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Suppose that the ages of members in a large billiards league have a known standard deviation of σ = 12 σ=12sigma, equals, 12 yea

asambeis [7]

Answer:

$n\geq 23$

Step-by-step explanation:

-For a known standard deviation, the sample size for a desired margin of error is calculated using the formula:

$n\geq (\frac{z\sigma}{ME})^2$

Where:

$\sigma$ is the standard deviation
$ME$ is the desired margin of error.

We substitute our given values to calculate the sample size:

$n\geq (\frac{z\sigma}{ME})^2\\\\\geq (\frac{1.96\times 12}{5})^2\\\\\geq 22.13\approx23$

Hence, the smallest desired sample size is 23

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3 years ago

Justin wants his new treehouse to blend in with the leaves, so he decides to paint it green. He mixes some white paint and green

spayn [35]

Answer:

C. neither. the roof and walls are the same shade of green

Step-by-step explanation:

<u>The first batch:</u>

Some white and some green

<u>The second batch:</u>

Triple amount of white and triple amount of green

As we see the ratio of white to green has not changed

Therefore there won't be any difference in painting

Correct answer choice is C.

8 0

4 years ago

The area of a bulletin board is 52 square feet. The length is 3 feet less than4 times the width. Find the length and width

Brilliant_brown [7]

Answer:

The length of the bulletin board is $13\ ft$

The width of the bulletin board is $4\ ft$

Step-by-step explanation:

Let

x-----> the length of the bulletin board

y-----> the width of the bulletin board

we know that

The area of the rectangle (bulletin board) is equal to

$A=xy$

we have

$A=52\ ft^{2}$

$52=xy$ ------> equation A

$x=4y-3$ ------> equation B

substitute equation B in equation A and solve for y

$52=(4y-3)y$

$4y^{2}-3y-52=0$

Using a graphing calculator------> solve the quadratic equation

The solution is

$y=4\ ft$

see the attached figure

Find the value of x

$x=4(4)-3=13\ ft$

6 0

4 years ago

# of yeast cells double every 4 hours how long will it take for 6billion cells

VLD [36.1K]

Answer:

Step-by-step explanation:

0.25

2×5

0.25×10

=2.5

;4×6

=24

:2.5×24

=60

6 0

3 years ago

I kinf=da forgot how to multiply a binomial by a monomial, so please explain. x(7x^2+4x)

Katarina [22]

Answer:

Step-by-step explanation:

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x(7x^2+4x) = 7x^3 + 4x^2

8 0

3 years ago