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adelina 88 [10]

3 years ago

13

How difficult is Calculus? really? I'm interested in becoming a Mechanical Engineer.

1 answer:

Sergio039 [100]3 years ago

3 0

It's actually easier than pre-calc/college algebra.
Calculus 1 AB is 95% just intervals and derivatives

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Cookies are sold singly or in packages of 3 or 9. With this packaging, how many ways can you buy 18 cookies?

Roman55 [17]

You can buy 18 single cookies,
6 packages that contain 3 cookies, or
2 packages that contain 9 cookies.

4 0

3 years ago

Please help ASAP !!!!!

sasho [114]

Since the denominators (bottom of the fraction) are the same, we can subtract the numerators (the top parts) easily.

14/19 - 5/19 = 9/19

ANSWER: 9/19

3 0

3 years ago

Read 2 more answers

mrs. diaz has 9 eggs. she cooks 5 eggs for breakfast. how many eggs are left? which model shows the problem?

melomori [17]

Answer:

B

Step-by-step explanation:

Because 9 = 5 +4

7 0

3 years ago

How would you write this equation in terms of sin and cos as well as simplify it from there?

ziro4ka [17]

Try this option:
$(1+ \frac{cosx}{sinx})(1- \frac{cosx}{sinx})- \frac{1}{sin^2x}= \frac{sin^2x-cos^2x}{sin^2x}- \frac{1}{sin^2x}=$
$= \frac{sin^2x-cos^2x-sin^2x-cos^2x}{sin^2x}=- \frac{2cos^2x}{sin^2x}.$
or -2ctg²x

8 0

3 years ago

Solve for w (4w-5)(7-w)=0

nataly862011 [7]

Ask: When will (4w-5)(7-w) equal zero?

When 4w-5=0 or 7-w=0

Solve each of the 2 equations above

w = 5/4 , 7

7 0

3 years ago