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ankoles [38]
2 years ago
4

Shana, who lives in Canada, and Pearl, who lives in Pennsylvania, were discussing the weather. Shana complained about the cold t

emperature of Negative 20 degrees Celsius. Pearl, who lives in Pennsylvania, mentioned that her temperature was the opposite of Shana’s. Which is the correct way to represent “the opposite of Shana’s temperature is equal to Pearl’s”? Negative 20 = 20 Negative (negative 20) = negative 20 Negative (20) = negative 20 Negative (negative 20) = 20
Mathematics
2 answers:
Reika [66]2 years ago
4 0

Answer:

the answer is -20 =20

Step-by-step explanation:

the opposite of 20 is -20

Kobotan [32]2 years ago
4 0

Answer:

im going to edit it when i finish the quiz

Step-by-step explanation:

Ok this is the edit and the person above me is wrong  so i think it would be     - ( -20) = 20 or D

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2 x + y equals negative 9
Vilka [71]

Answer:

The given equation which is in two variable is

 ⇒2 x + y =9

As we know that to get a unique solution you need two intersecting lines.

But here only one line is given.

On a single line there lie infinite number of points.

So, for different values of x we get different values of y or different values of y we get different values of x.

So , we can write the above equation as

either ⇒y=9-2 x Or x=9-2 y

I have drawn graph for you.

Thus , there are infinite number of solution of this equation. Like (0,9),(1,7),(2,5),(-2,13),(-1,11),(-3,15)......




6 0
2 years ago
What is the exact value of x?<br><br> 5⋅21^5x = 16
ipn [44]

Answer:

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Step-by-step explanation:

5 0
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⅓ -(-⅔)=<br> answer Needed Pls Help
Anna35 [415]

Answer:

<h2>1</h2>

Step-by-step explanation:

⅓ - (-⅔)

= 1/3 + 2/3

= 3/3

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7 0
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If their ​$7930 bid includes ​$2930 for​ lumber, what percent of the bid was the​ lumber?
IgorLugansk [536]
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3 0
2 years ago
The altitude to the hypotenuse of a right triangle bisects the hypotenuse. How does the length of the altitude compare with the
Anna11 [10]

\frac{1}{2}will be the answer.

Step-by-step explanation:-

If the altitude to the hypotenuse of a right-angled triangle bisects the hypotenuse, then we can know that the triangle is <u>Isosceles </u><u>right </u><u>t</u><u>r</u><u>iangle.</u> (AB=AC)

Make AB=AC=2, so,

BC=\sqrt{ {2}^{2} +  {2}^{2} }= \sqrt{4 + 4}= \sqrt{8}

Prime factorizing, we get,

BC = \sqrt{2 \times 2 \times 2}

Take two 2's outside by taking common because of "square" root,

⇢BC = 2 \sqrt{2}

BD = DC = \sqrt{2},

AD = \sqrt{AB^{2} - BD^{2} }= \sqrt{4 - 2}= \sqrt{2}

So, AD=BD=CD= \frac{1}{2}BC

∴⇢\frac{AD}{BC} =  \frac{1}{2}

Read more about hypotenuse altitude question;

brainly.com/question/3160811

8 0
1 year ago
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