All categories

2 years ago

Irma and Kate have summer jobs selling newspaper subscriptions door-to-door, but their

Mathematics

1 answer:

snow_tiger [21]2 years ago

6 0

Check o go gg LE 2345

You might be interested in

How do i simplify 16v. 10 ----- . ------ 6v. 7

viva [34]

Answer:

Step-by-step explanation:

16v/6v=16/6=8/3

10/7=1 3/7

6 0

2 years ago

A total of 100 students were surveyed

allsm [11]

I think the answer might be 21?

3 0

2 years ago

Find the smallest positive integer k such that 3240/k is a square number

sashaice [31]

Answer:

Step-by-step explanation:

First, factorize the number 3,240:

$3,240=2\cdot 1,620=2\cdot 2\cdot 810=2\cdot 2\cdot 2\cdot 405=2\cdot 2\cdot 2\cdot 2\cdot 5\cdot 81=2^3\cdot 5\cdot 9^2$

So,

$3,240=2^2 \cdot 2\cdot 5\cdot 9^2=18^2\cdot 10$

Now consider the fraction

$\dfrac{3,240}{k}=\dfrac{18^2\cdot 10}{k}$

If k = 10, then

$\dfrac{3,240}{k}=\dfrac{18^2\cdot 10}{10}=18^2$

is a square number.

For all k < 10, the fraction tex]\dfrac{3,240}{k}[/tex] is not a square number (this follows from factorization).

Or you can simply check the values of the fraction for all k < 10:

k = 1, $\dfrac{3,240}{1}=3,240$ is not a square number;
k = 2, $\dfrac{3,240}{2}=1,620$ is not a square number;
k = 3, $\dfrac{3,240}{3}=1,080$ is not a square number;
k = 4, $\dfrac{3,240}{4}=810$ is not a square number;
k = 5, $\dfrac{3,240}{5}=648$ is not a square number;
k = 6, $\dfrac{3,240}{6}=540$ is not a square number;
k = 7, $\dfrac{3,240}{7}$ is not a square number;
k = 8, $\dfrac{3,240}{8}=405$ is not a square number;
k = 9, $\dfrac{3,240}{9}=360$ is not a square number.

5 0

3 years ago

A survey of 350 people found 150 like birds. 170 like squirrels and 30 like both animals. How many like neither?

Arada [10]

Answer:

Step-by-step explanation:

150 + 170 + 30 = 350

170 + 30 = 200

200 + 150 = 350

Hope this helps! :)

8 0

2 years ago

5/7 - 3/2 in simplest form HELP ASAP

IgorC [24]

$\frac{5}{7} \: - \: \frac{3}{2}$

First, we find the lowest common denominator which is "14", we put it in the common numerator.

$\frac{10 \: - \: 21}{14}$

We subtract the numbers.

$\boxed{ \bold{- \frac{11}{14} }}$

<h3>MissSpanish</h3>

4 0

1 year ago

Read 2 more answers