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Fiesta28 [93]
2 years ago
8

Melissa’s birthday is next week and she has been receiving cards in the mail with different amounts of money. She has received 5

cards with the following amounts: $10, $20, $ 25, $30, $40. If Melissa receives one more card in the mail with $25, which of the following will happen?
Mathematics
1 answer:
sdas [7]2 years ago
3 0

Answer:

Her birthday money total will increase by $25 (total: $150).

Step-by-step explanation:

$10 + $20 + $25 + $30 + $40 + $25 = <em>$150</em>

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89

Step-by-step explanation:

68 plus 21 is 89.

3 0
3 years ago
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sand falls from an overhead bin and accumulates in a conical pile with a radius that is always four times its height. suppose th
blagie [28]

Answer:

\frac{dv}{dt} =7239.168 cm/sec

Step-by-step explanation:

From the question we are told that:

Rate \frac{dh}{dt}=1cm

Height h=12cm

Radius r=4h

Generally the equation for Volume of Cone is mathematically given by

V=\frac{1}{3}\pi r^2h

V=\frac{1}{3}\pi (4h)^2h

Differentiating

\frac{dv}{dt} =\frac{16}{3}\pi3h^2\frac{dh}{dt}

\frac{dv}{dt} =\frac{16}{3}*3.142*3*12^2*1

\frac{dv}{dt} =7239.168 cm/sec

7 0
3 years ago
Pls help me with this answer choice question! brainliest, rattings, thanks etc.
galina1969 [7]

Answer:

graph B

Step-by-step explanation:

Given

3y - 5x < - 6

Since the inequality is < then the line must be broken

If ≤ then line would be solid

The only possible graphs are B and D

Choose a test point in the shaded region of each graph and check validity

graph B (2, 0) ← substitute into left side of inequality

0 - 5(2) = 0 - 10 = - 10 < - 6 ← this is valid

graph D (0, 0 ) ← substitute into left side of inequality

0 - 0 = 0 > - 6 ← this is not valid

Hence graph B is the correct graph

3 0
3 years ago
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Kruka [31]
  • Answer:

can u explain it

Step-by-step explanation:

I can't understand it

5 0
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Find the domain of the function. (Enter your answer using interval notation.)
Rudik [331]
All real numbers since there is no exclusions. (-inf, inf)
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3 years ago
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