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3 years ago

How to make $28 cents

Mathematics

2 answers:

Reptile [31]3 years ago

6 0

Answer:

With a combination of dimes, quarter, nickels, or pennies.

Ex.

A quarter and three pennies

Two dimes, a nickel and three pennies.

Ronch [10]3 years ago

4 0

Answer:

find it on the street

Step-by-step explanation:

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3 years ago

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The answer is 2(sign)21 I need help with the work

wariber [46]

Using Pythagoras:

$4^2+x^2=10^2\Longrightarrow x^2=10^2-4^2=100-16\text{ = }84\Longrightarrow x\text{ = }\sqrt[]{84}$ $x=\sqrt[]{84\text{ }}=\sqrt[]{2\cdot42}\text{ = }\sqrt[]{2\cdot2\cdot21}\text{ = }\sqrt[]{21\cdot2^2}\text{ =2}\cdot\sqrt[]{21}$

Answer:

$2\cdot\text{ }\sqrt[]{21}$

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1 year ago

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3 years ago

What is 33 as a fraction over 100 simplified?

masya89 [10]

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3 years ago

Please help! Please show all work! Thx!

OverLord2011 [107]

Answer:

Part A)

$86=2(x+22)$

Part B)

$l=26\text{ cm}$

Step-by-step explanation:

We know that the rectangle has a length of (x+5) and a width of 12 cm.

Part A)

Remember the formula for the perimeter of a rectangle:

$P=2(l+w)$

We know that the perimeter is 86. Substitute that for P:

$86=2(l+w)$

Substitute (x+5) for the length l and 17 for w. So:

$86=2((x+5)+17)$

We can simplify this to acquire our equation:

$86=2(x+22)$

Part B)

To find the length, let's find our x first. We have the equation:

$86=2(x+22)$

Divide both sides by 2:

$43=x+22$

Now, subtract 22 from both sides. Therefore, our x is:

$x=21$

To find the length, remember that the length is:

$l=x+5$

Since we now know the value of x, substitute 21 for x:

$l=21+5$

Add:

$l=26\text{ cm}$

So, the length is 26 centimeters.

And we're done!

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3 years ago