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Lady bird [3.3K]
4 years ago
6

All of the following expressions are equal except _____.

Mathematics
1 answer:
eimsori [14]4 years ago
5 0
Well since this question is basically asking about Scientific Notation.

Scientific Notation-the way scientists easily handle large numbers or very small numbers.

for example:
0.00000000000000045 would be written as 4.5×10^-16
450000000000 would be written as 4.5×10^11
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If you walk 420 minutes how much calories do you burn?
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3 0
3 years ago
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Give the equation for a circle with the given center and radius. Center at (2, -9), radius = 3
olga2289 [7]

Answer:

B

Step-by-step explanation:

The standard form of the equation of a circle is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

Here (h, k) = (2, - 9) and r = 3, thus

(x - 2)² + (y - (- 9))² = 3², that is

(x - 2)² + (y + 9)² = 9 → B

8 0
3 years ago
Solve.<br><br> 2x/21= 32/42<br> a. 8<br> b. 27.1<br> c. 32<br> d. 16
inna [77]

Answer:

a. 8

Step-by-step explanation:

hope this helps

4 0
3 years ago
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A doctor has an annual income of $152,125. The income tax that doctor has to pay is 6%. What is the amount of income tax in doll
atroni [7]

9514 1404 393

Answer:

  $9,127.50

Step-by-step explanation:

6% of $152,125 is ...

  0.06 × $152,125 = $9,127.50

The doctor has to pay $9,127.50 in income tax.

4 0
3 years ago
Plz help me I need because it’s one of my last assignments for school
Brums [2.3K]

Step-by-step explanation:

straight line = 180 degree

example

1) 2w - 24 + 2w - 40 = 180

4w = 180 + 24 + 40

4w = 244

w = 244/4

.......

2) 13n - 11 +(-9 + 12n)

13n - 11 -9 + 12n = 180

25n -20 = 180

25n = 180 + 20

25n = 200

n = 200/25

.........

8 0
3 years ago
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