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3 years ago

11

I NEED HELP ON THIS AS SOON AS POSSIBLE

n="absmiddle" class="latex-formula">

1 answer:

brilliants [131]3 years ago

6 0

1 and 2/3 < 2 and 1/3

I'm assuming this is a less than and greater than sheet

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Teo has a combination of quarters, loonies, and toonies in his pocket.

finlep [7]

Answer:

343

Step-by-step explanation:

There are quarters(25¢), loonies ($1), and toonies ($2)

And total number of coins is 9

If loonies ($1), and toonies ($2) are one, then quarters(25¢) is 7

If quarters(25¢), and toonies ($2) are one, then loonies ($1)is 7

If loonies ($1), and quarters(25¢) are one, then toonies ($2) is 7

So possible number number of combination for an item that cost between $10 and $12 is

= 1^3 * 1^3 * 7^3

= 343

hope this helps, stay safe :)

3 0

3 years ago

Help I’m trying to finish this math tests

Simora [160]

Answer:

2...................

8 0

3 years ago

Verifying Trig Functions

anzhelika [568]

Answer:

The answer to your question is below

Step-by-step explanation:

csc α - cot α = $\frac{sin \alpha }{1 + cos \alpha }$

Work with the left part

$\frac{1}{sin\alpha } - \frac{cos \alpha }{sin \alpha}$

Simplify

$\frac{1 - cos\alpha }{sin\alpha }$

Multiply by the reciprocal

$\frac{1 - cos\alpha }{sin \alpha } x \frac{1 + cos\alpha }{1 + cos\alpha }$

Simplify

$\frac{1 - cos^{2}\alpha}{sin\alpha (1 + cos\alpha)}$

Remember that

sin²α = 1 -cos²α

Substitute the previous equation

$\frac{sin^{2}\alpha }{sin\alpha(1 + cos\alpha ) }$

Simplify

$\frac{sin\alpha}{1 + cos \alpha}$

The identity i proved.

5 0

3 years ago

All quadratic equations can be solved by factoring. True or false

MaRussiya [10]

Answer:

false all the quadratic equations cannot be solved by factorising there is also graphical method to get the solution

3 0

3 years ago

What is the value of x? <br><br><br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B4%7D%7B5%7D%20x%20-%20%20%5Cfrac%7B1%7D%7B10%

NeTakaya

Answer:

x = $\frac{1}{2}$

Step-by-step explanation:

Given

$\frac{4}{5}$ x - $\frac{1}{10}$ = $\frac{3}{10}$

Multiply through by 10 ( the LCM of 5 and 10 ) to clear the fractions

8x - 1 = 3 ( add 1 to both sides )

8x = 4 ( divide both sides by 8 )

x = $\frac{4}{8}$ = $\frac{1}{2}$

6 0

3 years ago