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damaskus [11]
2 years ago
8

Needing answer! Thanks! (Easy)

Mathematics
2 answers:
natulia [17]2 years ago
5 0
A total of 12.5 hours because 1.25 hours times 10 equals 12.5 (your total hours) hope this helps
zalisa [80]2 years ago
3 0

Answer:

the answer is 12.5

Step-by-step explanation:1 1/4 * 10= 12.5

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What is (20-(-16))=20+16=36
Anna71 [15]

Answer:

Step-by-step explanation:

i think its 5/144=0.03472

4 0
3 years ago
Ryan spent 1/4 of his paycheck and gift card on a new TV. The gift card was worth $150. The TV's total cost was $1800 Which equa
Mumz [18]

Answer:

$300

Step-by-step explanation:

1/4of $1800=$450-$150=$300

6 0
3 years ago
You collect pennies. you start with one penny and double the number of pennies you have each day for the next 27 days. how many
Rudik [331]
Imagine, at the first day you have only one penny. Then tomorrow you have 2 pennies, next day you have 4 (2x2), next day you have 8 (4x2), next day you have 16 (8x2).... and so forth.

It looks like geometric sequence isn't it? (the ratio between the number of pennies that you have from the 2nd day and the 1st day is 2)

So, by using geometric sequence theorem we can total those pennies until day-27

S (total pennies at day-27) = (1)(2^27-1) / 2-1 = 2^26 pennies

So, you have 2^26 pennies.. a big number of pennies huh?=))


{The formula is: S = a( r^n-1) / r-1
Where:
a= the number of pennies that you've got at the 1st day
n= number of days you spent to collect those pennies)
r= the ratio of the number of pennies}
7 0
3 years ago
Content attribution
Leto [7]

Answer:

12 and 6

Step-by-step explanation:

12 x 6=72

7 0
3 years ago
What is -a ^-2 if a=-5<br><br>A. -25<br>B.25<br>C.-1/25<br>D.1/25​
Dmitrij [34]

Answer:

-1/25

Step-by-step explanation:

- (a)^-2

Let a = -5

- (-5)^-2

-1/(-5)^2

-1/25

3 0
3 years ago
Read 2 more answers
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