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3 years ago

Helpppppppppppppppppppppppp meeeeeeeeeeeeeeeeeeeeeeeeeee pleaseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

Mathematics

2 answers:

Paul [167]3 years ago

5 0

Answer:

when theres nothing there

Step-by-step explanation:

Zinaida [17]3 years ago

4 0

Answer:

what do you need help with

Step-by-step explanation:

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Is the equation true,false, or open? 14+7+(-1)=21

yuradex [85]

Answer:

The Equation is False.

Step-by-step explanation:

(14+7)=21 + (-1) = 20

6 0

3 years ago

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There are 10 yellow, 6 green, 9 orange, and 5 red cards in a stack of cards turned facedown. Once a card is selected, it is not

stepladder [879]

Answer: 1% red and 3% orange

explanation:

Not sure if its right but did my best!!

7 0

3 years ago

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Classify the following is rational or irrational(a) √45

marshall27 [118]

The numbers that can be expressed in the form of a fraction are called rational numbers. While that numbers that cannot be expressed in the form of a fraction are called irrational numbers.

$\sqrt{45} =\sqrt{3 \times 3 \times 5}$

$\sqrt{45} =3\sqrt{5}$

$3\sqrt{5}$ is an irrational number, it cannot be expressed in the form of a fraction.

3 0

3 years ago

The perimeter of a rectangular field is 358 yards. If the length of the field is 95 yards, what is it’s width?

Andrej [43]

Answer:

84 yards (don't forget to label, as my friend failed a test because of it!)

Hope this helps

Step-by-step explanation:

The total perimeter of the field is 358

The are length and widths...

the length is 95

but since there are two lengths...

its 95*2 which is 190

358-190=168

Since there are two widths...

168/2= 84

7 0

3 years ago

Read 2 more answers

Helppppppp pleaseee

Viktor [21]

Answer:

$x=2\sqrt{5}$

Step-by-step explanation:

If that is a square, then all sides are the same. Therefore, it's a $\sqrt{10}$ by $\sqrt{10}$ shape. We'll use Pythagorean Theorem to find the diagonal.

$a^2+b^2=c^2\\\sqrt{10}^2+ \sqrt{10}^2=x^2\\10+10=x^2\\20=x^2\\\sqrt{20}=x\\\sqrt{4*5}=x\\ 2\sqrt{5}=x$

Since it's not a fraction, there is no denominator to rationalize. Let me know if you have any other questions!

5 0

2 years ago