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3 years ago

How do you convert percentages into decimals??

Mathematics

2 answers:

IgorLugansk [536]3 years ago

7 0

Answer:

Step-by-step explanation:

Divide a percent by 100 and remove the percent sign to convert from a percent to a decimal.

Example: 10% becomes 10/100 = 0.10.

Example: 67.5% becomes 67.5/100 = 0.675.

guapka [62]3 years ago

5 0

Answer:

Divide a percent by 100 and remove the percent sign to convert from a percent to a decimal.

Example: 10% becomes 10/100 = 0.10.

Example: 67.5% becomes 67.5/100 = 0.675.

Step-by-step explanation:

Hopes this helps

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A baby cardinal weighs about 4.3 grams at birth. After 4 days it is 3.4 times as heavy. How much does it weigh after 4 days?

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3 years ago

What is the angle of elevation to a building that is 220 feet tall and 410 feet away?

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3 years ago

Evaluate the series 4 sigma n=1 n+4

musickatia [10]

Answer:

$\sum _{n=1}^4n+4=26$

Step-by-step explanation:

Given : $\sum _{n=1}^4\:n+4$

We have to evaluate the sum.

Consider , the given sum $\sum _{n=1}^4\:n+4$

Apply the sum rule, $\sum a_n+b_n=\sum a_n+\sum b_n$

we have,

$=\sum _{n=1}^4n+\sum _{n=1}^44$

Consider $\sum _{n=1}^4n$ first,

Applying sum formula, $\sum _{k=1}^nk=\frac{1}{2}n\left(n+1\right)$

Here, n = 4, we get,

$=\frac{1}{2}\cdot \:4\left(4+1\right)$

$\sum _{n=1}^4n=10$

Now consider $\sum _{n=1}^44$

$\mathrm{Apply\:the\:Sum\:Formula:\quad }\sum _{k=1}^n\:a\:=\:a\cdot n$

$=4\cdot \:4=16$

Therefore, $=\sum _{n=1}^4n+\sum _{n=1}^44=10+16=26$

Thus, $\sum _{n=1}^4n+4=26$

6 0

4 years ago

Read 2 more answers

Please help me please!!!!!!!!

TiliK225 [7]

Your answer is A. (x+10)^2+(y+5)^2

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3 years ago

Translate the sentence into an inequality please help

Luden [163]

Answer: 4x+15≥20

Step-by-step explanation:

To find the inequality, we can break down the sentence.

The first part says the sum of a number times 4 and 15. Let's split this apart. We begin with "the sum of". This tells us that we will be adding two things together. The first is a number times 4 and the second is 15. Let's use x for the unknown number. Therefore we would have 4x+15.

The last part is at least 20. This means the sum has to be 20 minimum. So the inequality we use should be greater than or equal to.

Therefore, the inequality is 4x+15≥20.

7 0

3 years ago