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ziro4ka [17]
3 years ago
15

To replace a number with another number that tells about how many or how much

Mathematics
1 answer:
faltersainse [42]3 years ago
4 0
Wouldn’t it be called rounding
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Is it a function????
Troyanec [42]
Yes... according to what I know:)Let
me know if I’m wrong
7 0
3 years ago
Solve this math problem. Correct answer gets brainliest.
gtnhenbr [62]

Answer:

$28.50

Step-by-step explanation:

21 ÷ 14 = 1.5

19 · 1.5 = 28.50

Hope this helps!!

5 0
2 years ago
11. Use the fact that 19 X 33 = 627 to solve the problems and justify<br><br> your reasoning
topjm [15]
<h2>19 X 33 = 627,  justified.</h2>

Step-by-step explanation:

We have,

19 × 33 = 627

Use the fact and justify.

L.H.S. = 19 × 33

= (20 - 1) (20 + 13)

Using the identity,

(x - a)(x + b) = x^{2} - (a - b)x - ab

Here, x = 20, a = 1 and b = 13

= 20^{2} - (1 - 13)20 - 1(13)

= 400 - (- 12)20 - 13

= 400 + 240 - 13

= 640 - 13

= 627

= R.H.S., justified.

Thus,  19 X 33 = 627,  justified.

8 0
3 years ago
What is pi ? <br><br><br><br><br><br><br> ps. just trying this -.-
marysya [2.9K]
'Pi' ( π ) is the ratio of the circumference of a circle to its diameter.

The exact value of 'pi' can't be completely written with numbers, so whenever
we use 'pi', we always use an approximation.
7 0
3 years ago
Read 2 more answers
2. The actual tree on the left is 10 feet tall. The model tree on the right is 8 inches tall. What is the scale factor?
Lina20 [59]

Answer:

D. 1/15

Step-by-step explanation:

Actual tree = 10 ft = 12 × 10 = 120 in.

Model tree = 8 in.

Scale factor = model tree/actual tree

Scale factor = 8/120

Scale factor = 1/15

4 0
2 years ago
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