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Anna35 [415]
3 years ago
5

What is the answer to 7n + 3 = 3n + 27

Mathematics
2 answers:
timama [110]3 years ago
8 0
7n+3=3n+27 \\\\ 7n-3n=27-3 \\\\ 4n=24 \\\\ \boxed{n=\frac{24}{4}=6}
bija089 [108]3 years ago
8 0
First what you want to do is isolate the n, so to do that, get rid of 3n on the right by subtracting it from both sides. You now have 4n+3=27. Now get rid of 3 by subtracting it from both sides. Now the equation is 4n=24. Divide both sides by 4 and you get n=6.
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PLEASE HELP!!! 14 POINTS!
Pepsi [2]
Area=1/2bh


add them
(1/2)ab+(1/2)c^2+(1/2)ab=
ab+(1/2)c^2
ab+(1/2)(a^2+b^2)
not sure which option to pick there are different preferences on what counts as 'simplified'




4. find area
area=LW
area=105*45=4725
depends on the area of the signs
answer is
4725/(areaof1sign)
anyway, round down your answer because you will have an incomplete sign if you don't




5. area=pir^2
1/2 of it is
area=1/2pir^2
area=(1/4)^2pir^2
area=pi((1/4)r)^2
the radius is now 1/4 of what it was originally, meaning that the diameter is also 1/4 of what it is now
we need to know diamater
answer is 1/4 of current diameter




3. unclear

4. area of 1 sign not given, answer is 4725/(areaof1sign), rounded DOWN to nearest integer

5. (404 error, diameter not found) answer is 1/4 of current diameter
8 0
3 years ago
Solve for v in terms of s, t, u, and w.<br> wv=uts<br><br> v=___
laiz [17]

wv=uts\implies v=\frac{uts}{w}

we needed to eliminate w, do so by diving both sides by w and obtain the above result :)

Hope this helps.

8 0
3 years ago
A plane slices diagonally through a rectangular prism as shown. Which term best describes the cross-section formed by the inters
joja [24]

Answer:

Rectangle shaped cross section is formed by intersection of plane and prism.

Step-by-step explanation:

Given: A rectangular Prism.

To find: Shape of Cross Section when a plane intersect the prism diagonally

A plane intersect the Rectangular prism .i.e, Cuboid diagonally which means plane passes from top edge of cuboid to edge on bottom on opposite side.

Figure is attached.

In this way we get a Rectangular shaped Cross section which includes edges of cuboid and diagonals of the side faces.

Therefore, Rectangle shaped cross section is formed by intersection of plane and prism.

3 0
3 years ago
Read 2 more answers
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photoshop1234 [79]

Answer:

this one i dont know but ill try

a or 1 2744 cubed

Step-by-step explanation:

3 0
3 years ago
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natita [175]

Answer:

The answer is A.

Do you need an explanation?

387,500 /100 = 3,875

3,875 * 0.43 = 1,666.25

I multiplied, because, if you divide with a decimal, the number increases, instead of decreasing... hope this helps!

8 0
3 years ago
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