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avanturin [10]
3 years ago
5

I urgently neeed number 4 plzzzzzzz ASP

Mathematics
1 answer:
pentagon [3]3 years ago
7 0

Answer:  Noah is right. If the mean for the second lake is 60ft and the first lake is 45ft, the second lake has an average depth that is 15 feet deeper.

The standard deviations also indicate that the second lake has some even deeper spots, and even the shallower spots of the second lake are about the same as the shallow spots of the first lake.

Step-by-step explanation:

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Find f(-3).<br> f(x) = 4(2)^x
Ray Of Light [21]
Answer:

D - 1/2

Explanation:

f(-3) = 4(2)^-3

f(-3) = 4 • 1/8

f(-3) = 1/2
4 0
3 years ago
Help me find the surface area
lesya [120]

Step-by-step explanation:

it looks like this is a regular (right) triangular prism with 3 equal side areas and one bottom area.

the surface area of the pyramid is the sum of all 4 of these areas.

all these areas are triangles.

the area of a triangle is

baseline × height / 2

in our case

1 side area is 6×8.2/2 = 3×8.2 = 24.6 yd²

all 3 side areas together are 24.6×3 = 73.8 yd²

the bottom triangle is

6×5.2/2 = 3×5.2 = 15.6 yd²

so, the total surface area is

73.8 + 15.6 = 89.4 yd²

7 0
2 years ago
{{Geomotry}} <br> please I need help! My math grade depends on it! ;w;
lozanna [386]
This basically means that you have to multiply the x and y values by 3. So 2 time 3 is 6. And -7 times 3 is -21. So the new coordinations are (6, -21)

Hope this helped and pls mark as brainliest!

~ Luna
3 0
3 years ago
A rectangle has dimensions of 12 cm long and 10 cm wide what is the area of the rectangle
LiRa [457]

The area and the width are known as 60 and 12 respectively. Rearranging that equation above, and plugging the values, one gets the value of the length of the rectangle as 5.

3 0
3 years ago
HELP ME PLS!!! help me if you see this pls.
Alex Ar [27]
I think it would be A because if you multiply the square by a 30 thinking there all the same space between it will give u 120 square yards
5 0
3 years ago
Read 2 more answers
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