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marishachu [46]
2 years ago
14

Why is it important to know whether a number is positive or negative

Mathematics
1 answer:
san4es73 [151]2 years ago
6 0

its good to know if a number is positive or negative because something as simple as forgetting the signs such as - + could drastically change your answer

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ASAP PLEASE HELP ME !!!!
anygoal [31]

Answer:

90 mallards

Step-by-step explanation:

No. of ducks = 200

Mallards = 45%

45% of 200 = 45/100 × 200

=90

4 0
2 years ago
Read 2 more answers
Find the standard deviation of the sample ($23.14, $20.12, $56.21, $34.56, $43.74)
Shkiper50 [21]

Answer:

S.D=61.824137824783

Step-by-step explanation:

6 0
3 years ago
Felicia bought a watch for $149 she puts $50 down if she pays $9 each week how long will it take felicia to pay off her watch?
Troyanec [42]

Answer:

11 weeks

Step-by-step explanation:

She bought the watch for $149

And paid $50 immediately.

She has $149-$50 left, which gives $99

If she pays $9 each week,

In two weeks, she would be paid $9+$9=$18

In three weeks $9+$9+$9=$27 then it will take her 99/9 weeks to pay off the watch

99/9

It will take her $11 to pay off the watch

8 0
3 years ago
4w+5/-3=2 what does w equal
Pavlova-9 [17]

Answer:

w=-11/4 or -2  and 3/4

Step-by-step explanation:

To solve this, we first have to cancel out the dividing by-3. We can use the inverse operation of division, which is multiplication. We have to multiply both sides by -3, and the equation becomes 4w+5= -6.  Then, we subtract 5 from both sides. We get 4w= -11. We finally divide 4 on both sides, getting w=-11/4. -11/4 is in improper fraction form and -2 and 3/4 is in mixed number form.

3 0
3 years ago
What is the sum of 3.6 X 10^3 and 6.1 X 10^3
Allisa [31]
3.6 × 10³ + 6.1 × 10³

(3.6 + 6.1) × 10³

<span>9.7 × 10³
</span>
5 0
3 years ago
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