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3 years ago

How many births occur among women under the age of 20?

Mathematics

2 answers:

yaroslaw [1]3 years ago

7 0

Answer:

what do you mean?

Step-by-step explanation:

AnnZ [28]3 years ago

5 0

Around 5.8% of them

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Prove the divisibility of the following numbers: 45^10·5^40 by 25^20

beks73 [17]

For this case we have the following expressions:

$45^{10} * 5^ {40}$ and $25^{20}$

Let:

$45^{10} * 5^ {40}$ (Integer m)

$25^{20}$ (Integer n)

By definition, an integer m is divisible by an integer n if the remainder of the division is 0. That is, there is an integer p such that: $m = n * p$

Rewriting the expression we have:

$25^{20} = 5^{2 * (20)} = 5^{ 40}$

So:

$\frac {45^{10} * 5^{ 40}} {5^{40}} =$

We cancel similar terms:

$45^{10}$

We check:

$45^{10} * 5^{ 40} = 5^{ 40} * 45^{ 10}$

Answer:

If they are divisible

6 0

3 years ago

A tire has a circumference of 10.7 what is the radius

AveGali [126]

The radius is 1.703......

5 0

3 years ago

Please evaluate the equation

snow_lady [41]

Step-by-step explanation:

$= \sum \limits_{n = 1}^{7} ( - 2. {6}^{n - 1} )$

$= \sum \limits_ {n = 1}^{n_{ \text{max}}} (a_1. {r}^{n - 1} )$

$\:$

$a_1 = - 2$

$n = 7$

$r = 6 \to r >1$

$\:$

• Find S7.

$s_n = a_1.( \frac{ {r}^{n} - 1}{r - n} )$

$s_7 = - 2.( \frac{ {6}^{7} - 1 }{6 - 1} )$

$s_7 = - 2.( \frac{279.936 - 1}{5} )$

$s_7 = - 2.( \frac{279.935}{5} )$

$s_7 = - 2 \: . \: 55.987$

$s_7 = - 111.974$

The answer is B.

8 0

2 years ago

What is the answer to number 3??

Eduardwww [97]

The change in temperature has dipped from -2 degrees Celsius to -10 degrees Celsius, meaning there is a negative diversification.

-10 degrees Celsius is equal to 14 degrees Fahrenheit.

-2 degrees Celsius is equal to 28.40 degrees Fahrenheit.

Thus, the temperature gap is 14.40 degrees Fahrenheit.

8 0

4 years ago

Help me with this geometry question

Semenov [28]

B because 17×20 is 340 square centimetres

5 0

3 years ago

Read 2 more answers