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nataly862011 [7]
3 years ago
11

If a magic wallet gives me 20 cents every 3 minutes how much money do I earn after an hour​

Mathematics
2 answers:
Anna35 [415]3 years ago
7 0

Answer:

balls?

Step-by-step explanation:

Lesechka [4]3 years ago
4 0

Answer:

400 cents in one hour

Step-by-step explanation:

3min=20cents

60 min=1hr

60/3=20

20*20=400 cents in one hour

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Find the surface area of the right triangular prism (above) using its net (below).
lakkis [162]

Answer:

144 units²

Step-by-step explanation:

The net of the right triangular prism consists of 3 rectangles and 2 equal triangles

Let's solve for the area of each:

✔️Area of rectangle 1 = L*W

L = 11

W = 3

Area of rectangle 1 = 11*3 = 33 units²

✔️Area of rectangle 2 = L*W

L = 11

W = 4

Area of rectangle 2 = 11*4 = 44 units²

✔️Area of rectangle 3 = L*W

L = 11

W = 5

Area of rectangle 3 = 11*5 = 55 units²

✔️Area of the two triangles = 2(½*base*height)

base = 4

height = 3

Area of the two traingles = 2(½*4*3)

= 12 units²

✔️Surface area of the right triangle = area of rectangle 1 + area of rectangle 2 + area of rectangle 3 + area of the two triangles

= 33 + 44 + 55 + 12

= 144 units²

7 0
2 years ago
You have a nickle and a number cube with numbers 1 - 6. How many possible outcomes would there be?
Vadim26 [7]

I believe that is 12

Very sorry if I am wrong

6 0
3 years ago
Can you please tell me where I did a mistake.
oksano4ka [1.4K]
Last one should be less than 3/4
7 0
3 years ago
Determine the domain:<br><br><img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%20%20%5Cfrac%7Bln%28ln%28x%20%2B%201%29%29%7D%7Be%
Xelga [282]

The denominator cannot be zero, so

e^x - 9 = 0 \implies e^x = 9 \implies x = \ln(9)

is not in the domain of f(x).

\ln(x) is defined only for x>0, and we have

\ln(x+1) > 0 \implies e^{\ln(x+1)} > e^0 \implies x+1 > 1 \implies x>0

so there is no issue here.

By the same token, we need to have

x+1 > 0 \implies x > -1

Taking all the exclusions together, we find the domain of f(x) is the set

\left\{ x \in \Bbb R \mid x > 0 \text{ and } x \neq \ln(9)\right\}

or equivalently, the interval (0,\ln(9))\cup(\ln(9),\infty).

3 0
1 year ago
Suppose that receiving stations X, Y, and Z are located on a coordinated plane at the points (12,6), (-12,-4), and (-6,9), respe
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