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3 years ago

Write 6/10 as a terminating decimal

Mathematics

1 answer:

defon3 years ago

6 0

It is .6 because 6 doesn't repeat and by the 10 you go left one

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I need help on khan academy and I’m willing to pay half right when you start the work and when you finish all the work I’ll pay

harina [27]

Answer:

$x\approx 50^\circ$

Step-by-step explanation:

$c^2 = a^2 + b^2 - 2ab(cos(C))$

See the figure below to get the values as:

$7^2=7^2+9^2-2\left(7\right)\left(9\right)cos\left(x\right)\\\\cos(x)=\frac{7^2+9^2-7^2}{2\cdot \:7\cdot \:9}\\\\x\approx 50^\circ$

There are multiple concepts to solve this problem. This is one of the concept used in high school. Other concept to solve this problem is to use the concept of isosceles triangle. An isosceles triangle is a triangle with (at least) two equal sides. The angles shared by the two equal sides are also equal. So that the sum of all the three angles will add up to 180.

$x+x+80=180\\\\2x=100\\\\x=50^{\circ}$

Best Regards!

5 0

3 years ago

Find the explicit formula for the general nth term of the arithmetic sequence described below. Simplify your answer.

Alexandra [31]

$\boxed{a_{n}=-3+8(n-1)}$

<h2>Explanation:</h2>

The explicit formula for the general nth term of the arithmetic sequence is given by:

$a_{n}=a_{1}+d(n-1) \\ \\ \\ Where: \\ \\ a_{n}:nth \ term \\ \\ n:Number \ of \ terms \\ \\ a_{1}:First \ term \\ \\ d:common \ difference$

Here we know that:

$a_{1}=-3 \\ \\ a_{10}=69$

So, our goal is to find the common difference substituting into the formula:

$a_{10}=a_{1}+d(10-1) \\ \\ 69=-3+d(9) \\ \\ Solving \ for \ d: \\ \\ 9d=69+3 \\ \\ 9d=72 \\ \\ d=8$

Finally, we can write the explicit formula as:

$\boxed{a_{n}=-3+8(n-1)}$

<h2>Learn more:</h2>

Geometric series: brainly.com/question/1509142

#LearnWithBrainly

8 0

3 years ago

Inequalities definition

Black_prince [1.1K]

Answer:

a inequality is a relation which makes a non-equal comparison between two numbers or other mathematical expressions. It is used most often to compare two numbers on the number line by their size.

Step-by-step explanation:

hope it helps :)

6 0

2 years ago

Read 2 more answers

Mia's credit card balance is less than -$85. Does she owe more or less than $85

dalvyx [7]

Mia's balance is at -85, which means she had $0,

and has spent $85.

This means that she needs to pay BACK $85, (+85)

and there might be an extra charge since she overspent on her account.

5 0

3 years ago

Simplify. 5√ 10 <br> 1) 2√ 2) 2√2 3) 10√2 4) 5√

Nataly_w [17]

For this case we have that the expression in its exact form is the same, that is:

$5 \sqrt {10}$