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Paul [167]
3 years ago
9

Number ten please thanks

Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
5 0
-3^2= -(3)^2

The exponent of 2 only applies to the number 3. -(3)^2 should equal -9. This is true because according to the order of operations, exponents should be evaluated before multiplication. The negative sign here represents -1* 3^2.
If you want to find -3 to the power of 2 it must be written (-3)^2.
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25% of the student's in Mrs.Brown's class like chocolate ice cream. How many students are in her class if 6 students like chocol
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Answer:

24 students.

Step-by-step explanation:

25% is 1/4 of 100.

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7 0
3 years ago
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A shelf is designed so it will fit in a 90º corner between two walls. The shelf has dimensions, rounded to the nearest tenth, as
den301095 [7]

Answer:

Yes, it will fit snugly in a 90º corner

Step-by-step explanation:

To do this, we simply need to check if the given sides of the shelf is right-angled.

So, we have:

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To check for right-angle triangle, we make use of:

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This gives:

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This shows that the given sides of the shelf is a right-angled triangle.

Hence, it will fit the wall

4 0
3 years ago
A. ?? <br> B. ?? <br> C. ??<br> Please help me!!!
patriot [66]
Bonjour!

For A, the two angles are congruent by the Corresponding Angles are Congruent Theorem/Postulate.

For B, the two angles are congruent by the Vertical Angels are Congruent Theorem/Postulate.

As for C, the two angles are congruent by the Same Side Exterior Theorem/Postulate.(Though I am uncertain if that is the correct name for this one)

Hope that helps :)
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2 years ago
What is the fraction called that is used to convert one unit to another?
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