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Scilla [17]
3 years ago
5

I'll give brainliest if you show your work. Plz answer quickly.

Mathematics
2 answers:
nata0808 [166]3 years ago
6 0

The answer is C: In step 3, he should have determined which square is closest to 18. (From Edge 2020)

D is incorrect !

I apologize, I don't have an explanation, that's what the assignment said.

koban [17]3 years ago
3 0

Nolan correctly identified the square  numbers before and after 18.

The square roots of them are 4 and 5.

Clearly, square root of 18 should lie between 4 and 5 only.

He, then carefully squared 4.1, 4.2, 4.3 etc. and identified that 4.3 squared is nearer to 18.

Since, Nolan is finding estimated square root, his steps are cool and he didn't make any error.

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What is the answer for -5xt7y
a_sh-v [17]

Answer:

-35xty

Step-by-step explanation:

hope this helps have a nice day :-\

8 0
4 years ago
If the scale factor is 5, how many times larger will the scaled copy's area be?
Lady bird [3.3K]

Answer:

25 times

Step-by-step explanation:

Scale factor is the ratio of dimensions of the image and the preimage.

Scale factor = \frac{\text{Side length of image}}{\text{Side length of preimage}}

Since area of a figure is the square of dimensions.

Area = Length × Width

Therefore, area scale factor will be the ratio of square of the dimensions of image and preimage.

Area scale factor = \frac{\text{Area of the image}}{\text{Area of the preimage}}

                             = (Scale factor)²

                             = 5²

                             = 25

Therefore, area of the image will be 25 times the area of the preimage.

4 0
4 years ago
PLEASE HELP!!!!!!!!!!!
san4es73 [151]

9514 1404 393

Answer:

  a.  plane DEA

Step-by-step explanation:

A plane can be named by naming any 3 non-collinear points in the plane, or by using the plane's name as indicated in the drawing.

Here, points in the plane are A, D, E, F, with DEF all on  the same line. So A plus any two points from the line will constitute a name for the plane. Also, this plane is identified with a script M that can be used to name the plane.

M is not an answer choice, but DEA is. So, the appropriate choice is ...

  plane DEA

__

F is a point, not a plane name. C is not on the plane, so cannot be used to name it. 'k' is a line name, not a plane name.

8 0
3 years ago
A real company buys 7 sports cars for $8,500 each and 7 SUVS for 12,500 each. Using the distrubitive property, wirte an expressi
lisov135 [29]

1.47 x 10⁵

Step-by-step explanation:

7 x 8,500= 59,500

7 x 12,500 = 87,500

147,000 = 1.47 x 10⁵

6 0
4 years ago
Read 2 more answers
The length of a rectangular is 2/5 meter.It's width is 1/4 of its length .What is the perimeter of the rectangle?
Varvara68 [4.7K]
I think the answer is 2 13/20
Or, in decimals:             1.3
3 0
3 years ago
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