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LuckyWell [14K]
3 years ago
9

If you bought 12 cookies (each cookie for 0.99) how much more would each cookie cost than if you bought them by the dozen? ( A d

ozen pack is for 6.55)
Mathematics
1 answer:
iris [78.8K]3 years ago
7 0
6.55 it’s in the question my g
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Need help question #3. Show steps please
Oksana_A [137]

Answer:

B.

Step-by-step explanation:

We are given:

\displaystyle \int \sqrt{x}\Big(9x^3-2\sqrt{x}+\frac{8}{x}\Big)\, dx

And we want to select its equivalent form.

Note that A is not valid. No integration property allows us to separate factors unless that factor is a constant.

We can simply rewrite and then distribute. First, by rewriting:

\displaystyle =\int x^{1/2}\Big(9x^3-2x^{1/2}+8x^{-1}\Big)\, dx

Distribute. Recall exponent properties;

\displaystyle =\int(9x^{3+1/2}-2x^{1/2+1/2}+8x^{-1+1/2})\, dx

Simplify:

\displaystyle=\int9x^{7/2}-2x+8x^{1/2}\, dx

This can then be separated (since its addition/subtraction) and integrated individually.

Hence, our answer is B.

8 0
2 years ago
I need help with this question
sasho [114]

a+b= 8+24=32

Ab=8 x 24= 192

B/a= 24:8=3

(a+b)²=(8+24)² =64+576+384= 1024

Pls mark as brainliest

7 0
3 years ago
Read 2 more answers
What is the answer is it A. or B. or C. ?
nekit [7.7K]

Answer:

i believe its b

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Tan(60)x 20<br> please hurry!!
lana [24]

Answer:

6.4008

Step-by-step explanation:

7 0
2 years ago
4+2(7)= <br><br> 62+8×3= <br><br> 3(2+5)−5(3)+8= <br><br> 24−6+12÷2×3=
Temka [501]

4+2(7)= 18

62+8x3= 86

3(2+5)-5(3)+8= 14

24-6+12÷2x3= 36

Hope this helps you! :D

3 0
3 years ago
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