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Nana76 [90]
3 years ago
5

Can someone explain how to answer this

Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
7 0

Answer:

q= -ck+dp/

-k+d

Step-by-step explanation:

Step 1:

Multiply both sides by p.

dp=ck−kq+pq

Step 2:

Flip the equation.

ck−kq+pq=dp

Step 3:

Add -ck to both sides.

−kq+pq=−ck+dp

Step 4:

Factor out variable q.

q(−k+p)=−ck+dp

Step 5:

Divide both sides by -k+p.

q= -ck+dp/

-k+d

Sorry if it's all letters and u needed numbers.

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Help please and thanks! I'll award brainliest if you show your work as well :)
iren2701 [21]

Answer:

6 inches

Step-by-step explanation:

Formula for surface area of a cylinder:

SA=2\pi r^{2} +2\pi rh

Plug in values and solve for the radius:

180\pi =2\pi r^{2} +2\pi r(9)\\

Divide both sides by 2\pi

90=r^{2} +r(9)

Subtract 90 from both sides

0=r^{2} +9r-90

Use the quadratic equation to find the roots

x=(-b±\sqrt{b^2-4ac})*\frac{1}{2a} (sorry for formatting, Brainly doesn't

                                           allow equations with ± in them)

x=\frac{-9+\sqrt{9^2-4*1*90} }{2(1)}        and          x=\frac{-9-\sqrt{9^2-4*1*90} }{2(1)}

x=\frac{(-9+\sqrt{81+360})}{2}          and          x=\frac{(-9-\sqrt{81+360})}{2}

x=\frac{(-9+\sqrt{441})}{2}               and          x=\frac{(-9-\sqrt{441})}{2}

x=\frac{(-9+21)}{2}                   and          x=\frac{(-9-21)}{2}

x=\frac{12}{2}                           and          x=\frac{-30}{2}

x=6                             and          x=-15  

We can't have a negative radius, so that leaves us with r=6 in.

8 0
2 years ago
What is the lcm of 3,9, and 15?
s344n2d4d5 [400]

The least common multiple that is common in all numbers but is the lowest is 3 and it's the only number that all numbers listed can be divided easily by.

Hope this helps!

3 0
3 years ago
Read 2 more answers
A species of bacteria is 10 micrometers long. A virus is 10,000 times smaller than bacteria. a. Using the table above, find the
stich3 [128]

Answer:

10^{-4} times 10 micrometers (or 10^{-5}) is 10^{-9}

8 0
3 years ago
Read 2 more answers
A ladder, 14 feet long, is leaning against
PolarNik [594]

Answer:

12.12ft

Step-by-step explanation:

14² = 7² + x²

x² = 14² - 7²

x² = 196 - 49

x² = 147

x = √147

x = 12.12ft

6 0
3 years ago
Read 2 more answers
0.25:1.5 in simplest form
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The answer should be   
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