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Sati [7]
3 years ago
5

Clair thinks of a number n. she multiplies the number by itself. She then halves that answer and subtracts 10.

Mathematics
1 answer:
kkurt [141]3 years ago
7 0
(Just so you know, n^2 means n to the second power.)
n^2 / 2 - 10
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TRUE or FALSE.
Nesterboy [21]

Answer:

Yes that's true

Step-by-step explanation:

You add all of the points together and then divide by the number of assignments.

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3 years ago
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This is a picture of a cube and the net for the cube.<br><br> What is the surface area of the cube?
mina [271]

Answer:

486\ in^2

Step-by-step explanation:

we know that

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b=9\ in

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SA=6(9)^2=486\ in^2

4 0
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If the following fractions were converted to decimals, which one would result in a repeating decimal? A. 1/9 B. 3/4 C. 5/11 D. 3
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\frac{1}{9} - 0.11111111....
\frac{3}{4} - 0.75
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7 0
4 years ago
Before a researcher specified the relationship among variables he must have a (an): A: Inventory of variables B: Inventory of pr
Lesechka [4]

Answer:

Option B

Step-by-step explanation:

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6 0
3 years ago
A group of hikers walks 3 miles east and then 1 mile north. After taking a break, they then hike 4 miles east to their final des
geniusboy [140]

Answer:

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Step-by-step explanation:

In this problem we assume that orthogonal axes coincide with the north and east. We proceed to translate each sentence from statement into vectorial equations:

(i) <em>A group of hikers walks 3 miles east and then 1 mile north:</em>

\vec r_{A} = 3\,\hat{i}+1\,\hat{j}\,\,\,[mi]

(ii) <em>After taking a break, they then hike 4 miles east to their final destination:</em>

\vec r_{B} = 4\,\hat{i}\,\,\,[mi]

The vector that describes their hike from their starting position to their final destination is the sum of the vectors deducted above. That is:

\vec r = \vec r_{A}+\vec r_{B}  (1)

\vec r = (3\,\hat{i}+1\,\hat{j})+4\,\hat{i}\,\,\,[mi]

\vec r = 7\,\hat{i}+1\,\hat{j}\,\,\,[mi]

The vector that describes their hike from their starting position to their final destination is \vec r = 7\,\hat{i}+1\,\hat{j}\,\,\,[mi].

6 0
3 years ago
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