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ra1l [238]
3 years ago
13

How do you set up and solve these inequalities-only 16-20

Mathematics
1 answer:
xxMikexx [17]3 years ago
7 0
Sorry I'm late, here are the equations, just solve for x! Treat the inequalities like an = sign and solve!!

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Two similar prisms have heights 4 cm and 10 cm. What is the ratio of their surface areas?
Alex73 [517]
H 1 : H 2 = 4 : 10
H 1 = 2/5 H 2
and also for the base: L 1 = 2/5 L 2 and W 1 = 2/5 L 2
 A 1 = 2 L 1 x W 1 + 2 L 1 x H 1 + 2 W 1 x H 1
A 2 = 2 L 2 x W 2 + 2 L 2 x H 2 + 2 W 2 x H 2
A 1 / A 2 = 4/25 *( 2 L 2 x W 2 + 2 L 2 x H 2 + 2 W 2 H 2 ) /
                 / ( 2 L 2 x W 2 + 2 L 2 x H 2 + 2 W 2 x H  2 ) =
= 4/5
A 1 : A 2 = 4 : 25
Answer:  B ) 4 : 25
3 0
3 years ago
Read 2 more answers
Plz help ill give u brainlist
marissa [1.9K]
The formula of pyramid is 1/3 Bh where B is area of base and h is height.

So it's just V = (1/3)·10·10·12 = 400

Final answer: 400 ft³
7 0
3 years ago
Find derivative of y=(-3x^5+1)^3
sattari [20]

Use the chain rule:

\frac{\mathrm dy}{\mathrm dx}=3(-3x^5+1)^2\frac{\mathrm d[-3x^5+1]}{\mathrm dx}=3(-3x^5+1)^2(-15x^4)=\boxed{-45x^4(1-3x^5)^2}

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P=a+b+c solve for b<br> c=90x+35
Pavel [41]

Answer:

x=bc-35 over 90

Step-by-step explanation:

4 0
3 years ago
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Someone help me find x please!
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X is equal to 28 and Y is equal to 23
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