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2 years ago

Find the value of x for the right triangle. 45° х 10

Mathematics

2 answers:

melisa1 [442]2 years ago

4 0

Answer:

14.14

Step-by-step explanation:

sin(45)=10/x. <--fraction

then solve for x you should get this

x=10/sin(45)

and that should equal

14.14213562

Anastaziya [24]2 years ago

3 0

10 × radical 2

.........................

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julia-pushkina [17]

200 because 5000/200 is 25 and add the profit to that to get 45. 9000/200 is 45. Sorry if that doesn't make sense :/

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2 years ago

Which of these correctly rearranges the terms in this polynomial so like terms are next to each other

True [87]

Question is not complete, so i have attached it.

Answer:

B: -2x² - 6x² - 6x + 3x + 3 + 2

Step-by-step explanation:

From the image attached, the given polynomial is;

3 - 6x - 2x² + 3x - 6x² + 2

For like terms to be next to each other, we have to rearrange it as follows;

-2x² - 6x² - 6x + 3x + 3 + 2

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The only option that corresponds to our answer is option B

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2 years ago

Can somebody prove this mathmatical induction?

Flauer [41]

Answer:

See explanation

Step-by-step explanation:

1 step:

n=1, then

$\sum \limits_{j=1}^1 2^j=2^1=2\\ \\2(2^1-1)=2(2-1)=2\cdot 1=2$

So, for j=1 this statement is true

2 step:

Assume that for n=k the following statement is true

$\sum \limits_{j=1}^k2^j=2(2^k-1)$

3 step:

Check for n=k+1 whether the statement

$\sum \limits_{j=1}^{k+1}2^j=2(2^{k+1}-1)$

is true.

Start with the left side:

$\sum \limits _{j=1}^{k+1}2^j=\sum \limits _{j=1}^k2^j+2^{k+1}\ \ (\ast)$

According to the 2nd step,

$\sum \limits_{j=1}^k2^j=2(2^k-1)$

Substitute it into the $\ast$

$\sum \limits _{j=1}^{k+1}2^j=\sum \limits _{j=1}^k2^j+2^{k+1}=2(2^k-1)+2^{k+1}=2^{k+1}-2+2^{k+1}=2\cdot 2^{k+1}-2=2^{k+2}-2=2(2^{k+1}-1)$

So, you have proved the initial statement

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3 years ago

Amber determined that the expression -1/2 divided by -41/15 is equivalent to 15/82. Which statement describes the process Amber

ddd [48]

Amber could have used cross multiplication.

Have a great day!!!!

5 0

3 years ago

Read 2 more answers

What is the value of x???

svetoff [14.1K]

I do believe it would be x=30

3 0

2 years ago