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Helga [31]
2 years ago
13

Harry collects sedimentary and igneous rocks in the ratio 16:9. What percentage are igneous?

Mathematics
1 answer:
frosja888 [35]2 years ago
6 0

Answer:

9% or 0.09

Step-by-step explanation:

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tapes-R-US is having a sale on hq tape players. the regular price is 60 dollars.the discount is 18 dollars. what percent discoun
Vitek1552 [10]
60 - 18 = 42
42/60 x 100 - 70%

To check this do 0.7 x 60 (which gets you 18, so it is right)
5 0
3 years ago
Write the equation for the graphed function. I worked out y = 5 - 4 (x + 4)^2 but that isn't right. Any help would be appreciate
alexira [117]

Vertex form for a parabola with vertex (p,q) is

y = a(x-p)^2 + q

We have (p,q)=(-4,5) and another point (-3,2) so we can solve for <em>a:</em>

2 = a(-3 - -4)^2 + 5

2 = a + 5

a = -3

Putting it together,

Answer: y = -3(x + 4)^2 + 5

We could multiply that out if we like but I won't bother.


5 0
3 years ago
Solve 3/2^x-4=16 Two step equations
Lerok [7]

the answer is

x = 40/3



4 0
3 years ago
A campground says campers can rend a square space taking up 225 square feet. How long would one side of the space be?
Helga [31]

Answer:

56.25 ft

Step-by-step explanation:

It is simple, since it is a square the sides are all the same length so you take A=area and divide it by four= h or w or l (height, width, length) so

225/4=56.25

3 0
3 years ago
1.An ice cream cone has a radius of 3 inches and a height of 5 inches. Which measurement is the closest to the volume in cubic i
Murljashka [212]
First question
Volume = height * radius*radius*3.14
5*3*3*3.14 = 141.3 in3

Second qustion
Violume = height * radius * radius * 3.14
28*8*8*3.14= 5626.88 cm3
So the answer is 1875.63 because it's the closest
4 0
3 years ago
Read 2 more answers
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